DE19635095A1 - Agent for neutralising and deodorising ammonia and sulphur di:oxide - Google Patents
Agent for neutralising and deodorising ammonia and sulphur di:oxideInfo
- Publication number
- DE19635095A1 DE19635095A1 DE1996135095 DE19635095A DE19635095A1 DE 19635095 A1 DE19635095 A1 DE 19635095A1 DE 1996135095 DE1996135095 DE 1996135095 DE 19635095 A DE19635095 A DE 19635095A DE 19635095 A1 DE19635095 A1 DE 19635095A1
- Authority
- DE
- Germany
- Prior art keywords
- composition according
- acid
- ammonia
- weight
- neutralization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 title claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title 1
- 239000005864 Sulphur Substances 0.000 title 1
- 230000003472 neutralizing effect Effects 0.000 title 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 24
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 15
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims abstract description 7
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims abstract description 7
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000001630 malic acid Substances 0.000 claims abstract description 7
- 235000011090 malic acid Nutrition 0.000 claims abstract description 7
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 7
- 239000011975 tartaric acid Substances 0.000 claims abstract description 7
- 235000002906 tartaric acid Nutrition 0.000 claims abstract description 7
- 150000001447 alkali salts Chemical class 0.000 claims abstract description 3
- 150000007524 organic acids Chemical class 0.000 claims abstract description 3
- -1 Polyoxyethylene Polymers 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 239000003921 oil Substances 0.000 claims description 7
- 239000002304 perfume Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000006096 absorbing agent Substances 0.000 claims description 6
- 238000004332 deodorization Methods 0.000 claims description 6
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 4
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 claims description 4
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 4
- 239000000839 emulsion Substances 0.000 claims description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 4
- 239000003380 propellant Substances 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 230000002950 deficient Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 241000251468 Actinopterygii Species 0.000 claims description 2
- 241001465754 Metazoa Species 0.000 claims description 2
- 229940053200 antiepileptics fatty acid derivative Drugs 0.000 claims description 2
- 239000002518 antifoaming agent Substances 0.000 claims description 2
- 239000007853 buffer solution Substances 0.000 claims description 2
- 239000012928 buffer substance Substances 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 2
- 238000009264 composting Methods 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 239000003995 emulsifying agent Substances 0.000 claims description 2
- 239000003337 fertilizer Substances 0.000 claims description 2
- 238000005187 foaming Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000000873 masking effect Effects 0.000 claims description 2
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 claims description 2
- 239000001509 sodium citrate Substances 0.000 claims description 2
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 abstract 1
- 239000008367 deionised water Substances 0.000 abstract 1
- 239000004291 sulphur dioxide Substances 0.000 abstract 1
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 4
- 239000003570 air Substances 0.000 description 3
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 239000000159 acid neutralizing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/507—Sulfur oxides by treating the gases with other liquids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Fertilizers (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
Description
Die Erfindung betrifft ein Mittel zur Neutralisation und Desodorierung von Ammoniak und Schwefeldioxyd.The invention relates to a neutralization agent and deodorization of ammonia and sulfur dioxide.
Für die Entsorgung von defekten Absorberkühl- Vorrichtungen oder -Anlagen ist es notwendig, das Kühlmittel aus dem Kühlkreislauf zu entfernen, bevor das Aggregat in ein Material-Recycling verlegt werden kann. Entsprechendes gilt für die Montage von Absorptions- Kälteanlagen für Kunsteisbahnen oder Kühlhäuser. Derartige Einrichtungen und Vorrichtungen enthalten als Kühlmittel neben Wasser und Ammoniak auch andere toxische, korrosive und ölige Substanzen, die möglichst vollständig aus derartigen Anlagen entfernt werden müssen, um das Eindringen derartiger Schadstoffe in die Umgebungsluft zu vermeiden, bevor mit der eigentlichen Zerlegung bzw. Demontage begonnen werden kann.For the disposal of defective absorber cooling Devices or systems, it is necessary that Remove coolant from the cooling circuit before that Unit can be moved to a material recycling facility. The same applies to the installation of absorption Refrigeration systems for ice rinks or cold stores. Such devices and devices contain as Coolants besides water and ammonia also others toxic, corrosive and oily substances, if possible be completely removed from such facilities need to prevent the ingress of such pollutants into the Avoid ambient air before using the actual one Disassembly or disassembly can be started.
Aber auch in anderen Örtlichkeiten, z. B. bei defekten NH₃-Leitungen oder bei darin angeordneten Ventilen und Schiebern, können Leckagen auftreten, wodurch diese toxischen Substanzen in die Umgebungsluft gelangen können. Für die Spülung der Kreisläufe derartiger Absorberkühlschränke und Kühlanlagen sind unterschiedlichen Tensid-Wasser-Mischungen auf ihre Wirksamkeit hin überprüft worden. Auch selbst mit einem Zusatz von großen Parfümöl-Anteilen ist keine zufriedenstellende Reinigung und Desodorierung erzielt worden. Der Grund dürfte darin beruhen, daß Wasser zwar die Fähigkeit hat, Ammoniak und Schwefeldioxyd aufzunehmen, doch geruchlich sind beide Kühlmittel auch weiterhin deutlich wahrnehmbar und darüber hinaus toxisch.But also in other locations, e.g. B. at defective NH₃ lines or arranged in it Valves and slides, leakages can occur, which releases these toxic substances into the ambient air can reach. For flushing the circuits such absorber refrigerators and cooling systems different surfactant-water mixtures on their Effectiveness has been checked. Even with one The addition of large amounts of perfume oil is not satisfactory cleaning and deodorization been. The reason is probably that water has the ability to remove ammonia and sulfur dioxide to record, but both coolants are also odorous still clearly perceptible and beyond toxic.
Parfümanteile überdecken zwar graduell unterschiedlich die geruchlich unangenehmen Kühlmittelreste, doch werden diese dadurch nicht unschädlich.Perfume parts gradually overlap different the olfactory unpleasant Remnants of coolant, but they will not harmless.
Von diesem Stand der Technik ausgehend, liegt der Erfindung die Aufgabe zugrunde, ein Mittel der eingangs genannten Art zu schaffen, mit welchem einerseits eine problemlose Neutralisation und Desodorierung von Ammoniak und Schwefeldioxyd aus Absorberkühlschränken und Kühlanlagen ermöglicht wird und andererseits austretende Leckagen aus NH₃ und SO₂ führenden Leitungen, Ventilen und Schiebern mit einem einfach zu handhabenden Mittel unschädlich gemacht werden können.Based on this state of the art, the Invention based on the object of a means of the beginning to create the type mentioned, on the one hand with a easy neutralization and deodorization of ammonia and sulfur dioxide from absorber refrigerators and Cooling systems is enabled and on the other hand emerging Leakages from NH₃ and SO₂ leading lines, valves and sliders with an easy-to-use means can be rendered harmless.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß das Mittel aus einer Komposition einer organischen Säure, wie Apfelsäure und/oder Zitronensäure und/oder Weinsäure, in gepuffertem Milieu in Kombination mit ihren gelösten Alkalisalzen zur Komplettierung des Puffersystems sowie aus entsalztem Wasser besteht.According to the invention, this object is achieved by that the means from a composition of an organic Acid, such as malic acid and / or citric acid and / or Tartaric acid, in a buffered environment in combination with yours dissolved alkali salts to complete the Buffer system and desalinated water.
Dabei beträgt der Gewichtsanteil an reiner Puffersubstanz aus Apfelsäure und/oder Zitronensäure und/oder aus Weinsäure 5% bis 15% des Gesamtgewichts der Komposition, wobei es zur Geruchsmaskierung ein Parfümöl mit einem Gehalt von 0,2 bis 0,6 Gewichtsprozenten enthält.The proportion by weight of pure Buffer substance made from malic acid and / or citric acid and / or from tartaric acid 5% to 15% of the total weight the composition, using it for masking odors Perfume oil with a content of 0.2 to Contains 0.6 percent by weight.
Um einerseits die Emulgierung der Parfümöle und andererseits ein Herauslösen von Ölresten aus dem Kühlkreislauf zu bewirken, wird dem Mittel ein Emulgator aus der Reihe der Polyoxyethylenlycerinfettsäure-Derivate mit einem Anteil von 0,5 bis 5 Gewichtsprozenten zugesetzt.To emulsify the perfume oils and on the other hand, removing oil residues from the To effect a cooling circuit, the agent becomes an emulsifier from the series of polyoxyethylene lycerol fatty acid derivatives with a proportion of 0.5 to 5 percent by weight added.
Zur Reduzierung eines Aufschäumens ist ein Antischaummittel in Form einer Polydimethylsiloxan- Emulsion mit einer Konzentration von 0,01 bis 0,5 Gewichtsprozenten zugemischt. Für Sonderfälle ist es auch von Vorteil, ein Korrosionsschutzmittel zuzusetzen.To reduce foaming is a Antifoam in the form of a polydimethylsiloxane Emulsion with a concentration of 0.01 to 0.5 Weight percentages added. It is also for special cases advantageous to add an anti-corrosion agent.
Nach einer vorteilhaften Komposition enthält das
Mittel je nach Anwendung folgende Rezeptur-
Toleranzbereiche in Gewichtsprozenten:
5% bis 15% Natriumcitrat/Zitronensäure
und/oder Racemat/Weinsäure
und/oder Racemat/Apfelsäure
0,5% bis 5% Polyoxyethylenglycerioleat
0,01% bis 0,5% Polydimethylsiloxan-Emulsion
0,5% bis 3% Parfümöl
0,2% Benzaldehyd
Rest vollentsalztes Wasser.According to an advantageous composition, depending on the application, the agent contains the following formulation tolerance ranges in percent by weight:
5% to 15% sodium citrate / citric acid and / or racemate / tartaric acid and / or racemate / malic acid
0.5% to 5% polyoxyethylene glycerioleate
0.01% to 0.5% polydimethylsiloxane emulsion
0.5% to 3% perfume oil
0.2% benzaldehyde
Remainder of demineralized water.
Das erfindungsgemäße Mittel eignet sich sowohl zur Handhabung mittels eines Treibgases wie H₂CO₃ aus einer Spraydose von Hand als auch maschinell mit einem entsprechenden Treibgas aus einem Druckbehälter. Zur engen und intensiven Vernetzung mit dem aus Absorberkühlschränken oder Absorptionskühlanlagen zu entfernende Ammoniak und/oder SO₂ kann das Mittel aus einem Düsensystem mittels eines Treibgases oder einer Hochdruckpumpe mit vorgespanntem Systemdruck eingesetzt werden.The agent according to the invention is suitable both for Handling using a propellant such as H₂CO₃ from a Spray can by hand as well as mechanically with one corresponding propellant gas from a pressure vessel. For close and intensive networking with the Absorber refrigerators or absorption cooling systems too Removing ammonia and / or SO₂ can be the agent a nozzle system using a propellant or High pressure pump with pre-stressed system pressure used will.
Zur Neutralisation und Desodorierung von Ammoniak und Schwefeldioxyd ist dieses Mittel außer in Absorberkühlvorrichtungen auch in Kompostierungsanlagen, Tiermastbetrieben, Mülltransport-Fahrzeugen, Müllsortierungsanlagen, Abfalltonnen in Gewerbe und Haushalt, in der fischverarbeitenden Industrie, in Gerbereien und in der Düngemittel-Herstellung anwendbar. To neutralize and deodorize ammonia and sulfur dioxide is this compound except in Absorber cooling devices also in composting plants, Animal fattening companies, garbage transport vehicles, Waste sorting plants, waste bins in commercial and Household, in the fish processing industry, in Tanneries and applicable in fertilizer production.
Das vorstehend beschriebene Mittel kann in Vakuumdüsen oder Zentrifugalzerstäubern eingesetzt werden, welche sodann die Räume oder deren Abluft derartig durchnetzt, daß eine Neutralisation der ammoniak- oder schwefeldioxydhaltigen Luft stattfindet. Gemäß den Vorgaben der einschlägigen Emissionsschutzgesetze könnten in einem Leckagefall Arbeitsräume rasch neutralisiert werden bzw. in Maschinenräumen die Abluft ohne Ammoniakgeruch in die freie Atmosphäre ausgelassen werden.The means described above can be found in Vacuum nozzles or centrifugal atomizers are used which then the rooms or their exhaust air so wetted that a neutralization of the air containing ammonia or sulfur dioxide takes place. According to the specifications of the relevant Emission control laws could result in a leak Workspaces are quickly neutralized or in Machine rooms exhaust air into the room without the smell of ammonia free atmosphere can be left out.
Bei Reparaturarbeiten an undichten Ventilen oder Schiebern in NH₃- oder SO₂-führenden Leitungen kann das Mittel mit Hilfe einer wiederbefüllbaren Spraydose auf die Leckagestellen gesprüht und ausgebaute Kleinteile zur Neutralisation von NH₃ und SO₂ gleichfalls besprüht bzw. benetzt werden.When repairing leaky valves or Slides in NH₃- or SO₂-carrying lines can do that Means with a refillable spray can the leakage points sprayed and removed small parts Neutralization of NH₃ and SO₂ also sprayed or be wetted.
Claims (10)
5% bis 15% Natriumcitrat/Zitronensäure und/oder Racemat/Weinsäure und/oder Racemat/Apfelsäure
0,5% bis 5% Polyoxyethylenglycerioleat
0,01% bis 0,5% Polydimethylsiloxan-Emulsion
0,5% bis 3% Parfümöl
0,2% Benzaldehyd
Rest vollentsalztes Wasser.8. Composition according to one or more of claims 1 to 7, characterized in that it contains the following recipe tolerance ranges in weight percent, depending on the application:
5% to 15% sodium citrate / citric acid and / or racemate / tartaric acid and / or racemate / malic acid
0.5% to 5% polyoxyethylene glycerioleate
0.01% to 0.5% polydimethylsiloxane emulsion
0.5% to 3% perfume oil
0.2% benzaldehyde
Remainder of demineralized water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1996135095 DE19635095A1 (en) | 1996-08-30 | 1996-08-30 | Agent for neutralising and deodorising ammonia and sulphur di:oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1996135095 DE19635095A1 (en) | 1996-08-30 | 1996-08-30 | Agent for neutralising and deodorising ammonia and sulphur di:oxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE19635095A1 true DE19635095A1 (en) | 1998-03-05 |
Family
ID=7804127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1996135095 Withdrawn DE19635095A1 (en) | 1996-08-30 | 1996-08-30 | Agent for neutralising and deodorising ammonia and sulphur di:oxide |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE19635095A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011075378A1 (en) * | 2009-12-17 | 2011-06-23 | The Procter & Gamble Company | Malodor control composition having an acid catalyst and methods thereof |
| CN102343205A (en) * | 2011-07-18 | 2012-02-08 | 南京华基塔业有限公司 | Centralized purification treatment process and device of waste gas in spandex production process |
| WO2012078208A1 (en) * | 2010-12-08 | 2012-06-14 | The Procter & Gamble Company | Malodor control compositions comprising malodor control polymers and acid catalysts and methods thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62163675A (en) * | 1986-12-05 | 1987-07-20 | Kibun Kk | Production of material for processed fish food |
| US5089258A (en) * | 1990-10-09 | 1992-02-18 | Jacam Chemical Partners, Ltd. | Composition and method for absorbing odors using citric acid and citrate |
| JPH06181972A (en) * | 1992-12-18 | 1994-07-05 | Kanebo Ltd | Deodorant for cigarette smell |
-
1996
- 1996-08-30 DE DE1996135095 patent/DE19635095A1/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62163675A (en) * | 1986-12-05 | 1987-07-20 | Kibun Kk | Production of material for processed fish food |
| US5089258A (en) * | 1990-10-09 | 1992-02-18 | Jacam Chemical Partners, Ltd. | Composition and method for absorbing odors using citric acid and citrate |
| JPH06181972A (en) * | 1992-12-18 | 1994-07-05 | Kanebo Ltd | Deodorant for cigarette smell |
Non-Patent Citations (1)
| Title |
|---|
| Datenbank: CA auf STN. München: Deutsches Patentamt, AN: 2(77): CA 107:174760 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011075378A1 (en) * | 2009-12-17 | 2011-06-23 | The Procter & Gamble Company | Malodor control composition having an acid catalyst and methods thereof |
| AU2010332067B2 (en) * | 2009-12-17 | 2014-02-27 | The Procter & Gamble Company | Malodor control composition having an acid catalyst and methods thereof |
| CN104667339A (en) * | 2009-12-17 | 2015-06-03 | 宝洁公司 | Absorption product containing malodor control composition having an acid catalyst |
| WO2012078208A1 (en) * | 2010-12-08 | 2012-06-14 | The Procter & Gamble Company | Malodor control compositions comprising malodor control polymers and acid catalysts and methods thereof |
| CN102343205A (en) * | 2011-07-18 | 2012-02-08 | 南京华基塔业有限公司 | Centralized purification treatment process and device of waste gas in spandex production process |
| CN102343205B (en) * | 2011-07-18 | 2014-06-25 | 南京华基塔业有限公司 | Centralized purification treatment process and device of waste gas in spandex production process |
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| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8130 | Withdrawal |