[go: up one dir, main page]

BR9811691A - ácidos éter-carboxìlicos como dispersantes de asfaltenos em óleos brutos. - Google Patents

ácidos éter-carboxìlicos como dispersantes de asfaltenos em óleos brutos.

Info

Publication number
BR9811691A
BR9811691A BR9811691-6A BR9811691A BR9811691A BR 9811691 A BR9811691 A BR 9811691A BR 9811691 A BR9811691 A BR 9811691A BR 9811691 A BR9811691 A BR 9811691A
Authority
BR
Brazil
Prior art keywords
ether
carboxylic acids
crude oils
asphaltenes
dispersants
Prior art date
Application number
BR9811691-6A
Other languages
English (en)
Inventor
Dennis Miller
Axel Vollmer
Michael Feustel
Peter Klug
Original Assignee
Clariant Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Clariant Gmbh filed Critical Clariant Gmbh
Publication of BR9811691A publication Critical patent/BR9811691A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/188—Carboxylic acids; metal salts thereof
    • C10L1/1881—Carboxylic acids; metal salts thereof carboxylic group attached to an aliphatic carbon atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C59/125—Saturated compounds having only one carboxyl group and containing ether groups, groups, groups, or groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/143—Organic compounds mixtures of organic macromolecular compounds with organic non-macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/192—Macromolecular compounds
    • C10L1/198—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid
    • C10L1/1985—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid polyethers, e.g. di- polygylcols and derivatives; ethers - esters
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L10/00—Use of additives to fuels or fires for particular purposes
    • C10L10/04—Use of additives to fuels or fires for particular purposes for minimising corrosion or incrustation
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/16—Hydrocarbons
    • C10L1/1608—Well defined compounds, e.g. hexane, benzene
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof
    • C10L1/1822—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms
    • C10L1/1824—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms mono-hydroxy
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/192—Macromolecular compounds
    • C10L1/198—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid
    • C10L1/1981—Condensation polymers of aldehydes or ketones
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/22—Organic compounds containing nitrogen
    • C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
    • C10L1/2222—(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates
    • C10L1/2225—(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates hydroxy containing
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/22—Organic compounds containing nitrogen
    • C10L1/234—Macromolecular compounds
    • C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/24—Organic compounds containing sulfur, selenium and/or tellurium
    • C10L1/2431—Organic compounds containing sulfur, selenium and/or tellurium sulfur bond to oxygen, e.g. sulfones, sulfoxides
    • C10L1/2437—Sulfonic acids; Derivatives thereof, e.g. sulfonamides, sulfosuccinic acid esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Working-Up Tar And Pitch (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

Patente de Invenção: <B>"áCIDOS éTER-CARBOXìLICOS COMO DISPERSANTES DE ASFALTENOS EM óLEOS BRUTOS"<D>. A presente invenção refere-se a óleos brutos e produtos deles derivados, contendo, como dispersante de asfaltenos, ácidos éter-carboxílicos da fórmula geral RO(CH~ 2~CHR~ 1~O)x(CH~ 2~CHR~ 2~O)yCH~ 2~-CO~ 2~H, na qual os substituintes apresentam os significados definidos no relatório descritivo.
BR9811691-6A 1997-07-14 1998-07-06 ácidos éter-carboxìlicos como dispersantes de asfaltenos em óleos brutos. BR9811691A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19730085A DE19730085A1 (de) 1997-07-14 1997-07-14 Ethercarbonsäuren als Asphalten-Dispergatoren in Rohölen
PCT/EP1998/004158 WO1999004138A1 (de) 1997-07-14 1998-07-06 Ethercarbonsäuren als asphalten-dispergatoren in rohölen

Publications (1)

Publication Number Publication Date
BR9811691A true BR9811691A (pt) 2000-09-26

Family

ID=7835634

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9811691-6A BR9811691A (pt) 1997-07-14 1998-07-06 ácidos éter-carboxìlicos como dispersantes de asfaltenos em óleos brutos.

Country Status (10)

Country Link
US (1) US6063146A (pt)
EP (1) EP0995012B1 (pt)
CN (1) CN1263581A (pt)
BR (1) BR9811691A (pt)
CO (1) CO5050398A1 (pt)
DE (2) DE19730085A1 (pt)
ID (1) ID24250A (pt)
NO (1) NO316403B1 (pt)
TW (1) TW466269B (pt)
WO (1) WO1999004138A1 (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19828352A1 (de) * 1998-06-25 1999-12-30 Clariant Gmbh Synergistische Mischungen von Phosphorsäureestern mit Carbonsäuren oder Carbonsäurederivaten als Asphalten-Dispergatoren
JP2001262073A (ja) * 2000-03-01 2001-09-26 Clariant Gmbh 着色粉体塗装材料の製造
US20040232051A1 (en) * 2001-03-09 2004-11-25 Ramesh Varadaraj Low viscosity hydrocarbon oils by sonic treatment
DE10307730B3 (de) 2003-02-24 2004-11-11 Clariant Gmbh Verwendung von Verbindungen als Korrosions- und Gashydratinhibitoren mit verbesserter Wasserlöslichkeit und erhöhter biologischer Abbaubarkeit und diese Verbindungen
DE10334441A1 (de) * 2003-07-29 2005-02-17 Cognis Deutschland Gmbh & Co. Kg Bohrlochbehandlungsmittel, enthaltend Ethercarbonsäuren
DE10356436B4 (de) * 2003-12-03 2006-04-13 Clariant Gmbh Verwendung Ethercarbonsäure-substituierter Alkylphenolharze
DE102004048778B3 (de) 2004-10-07 2006-06-22 Clariant Gmbh Korrosions-und Gashydratinhibitoren mit erhöhter biologischer Abbaubarkeit und verminderter Toxizität
US8048828B2 (en) * 2005-01-18 2011-11-01 Halliburton Energy Services Inc. Spotting fluid compositions and associated methods
US8048829B2 (en) * 2005-01-18 2011-11-01 Halliburton Energy Services Inc. Spotting fluid compositions and associated methods
GB0700534D0 (en) 2007-01-11 2007-02-21 Innospec Ltd Composition
DE102007060651B3 (de) 2007-12-15 2009-06-25 Clariant International Limited Asphalten-Dispergatoren auf Basis von Phosphonsäuren
DE102009002555A1 (de) 2008-04-22 2009-10-29 Basf Se Verwendung von öllöslichen, mindestens zweizähnigen Komplexbildnern zur Vermeidung von Asphalten- und/oder Naphthenat-Ausfällungen aus Rohöl
EP2462210B1 (en) 2009-08-07 2018-12-19 Basf Se Lubricant composition comprising alkylethercarboxylic acid
US8802606B2 (en) 2010-08-06 2014-08-12 Basf Se Lubricant composition having improved antiwear properties
US10125306B2 (en) 2014-10-02 2018-11-13 Croda, Inc. Asphaltene inhibition
MX368309B (es) 2014-12-11 2019-09-26 Mexicano Inst Petrol Liquidos zwitterionicos geminales base hidroxipropil betaina, proceso de obtencion y uso como modificadores de la mojabilidad con propiedades inhibitorias/dispersantes de asfaltenos.
CN108290876A (zh) * 2015-11-30 2018-07-17 Bp北美公司 用于沥青质稳定剂的筛选方法
WO2017223028A1 (en) 2016-06-24 2017-12-28 Croda, Inc. Method and compositon for asphaltene dispersion
US11180588B2 (en) 2016-12-30 2021-11-23 Stepan Company Compositions to stabilize asphaltenes in petroleum fluids
CN106866640B (zh) * 2017-01-19 2019-04-02 中国石油化工股份有限公司 用于高凝稠油沥青质分散剂
BR112020002073B1 (pt) * 2017-09-20 2023-03-14 Clariant International Ltd Dispersões de aditivos poliméricos de óleo
US10781378B2 (en) 2017-12-05 2020-09-22 Fqe Chemicals Inc. Compositions and methods for dissolution of heavy organic compounds
CN114426829B (zh) * 2020-10-14 2023-07-07 中国石油化工股份有限公司 用于稠油蒸汽吞吐开采的降粘剂及其制备方法
CN112831362A (zh) * 2020-12-26 2021-05-25 中海油天津化工研究设计院有限公司 一种船用燃料油稳定性助剂及其制备方法
CN112708484A (zh) * 2020-12-26 2021-04-27 中海油天津化工研究设计院有限公司 一种船用残渣燃料油稳定分散剂及其制备方法
CN112844219A (zh) * 2021-02-24 2021-05-28 江苏四新界面剂科技有限公司 低泡型两性表面活性剂
CN115505378B (zh) * 2021-06-23 2024-02-02 中国石油天然气股份有限公司 一种复合型沥青质析出抑制剂

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807525A (en) * 1950-10-04 1957-09-24 Standard Oil Co Additive for motor fuels
US3920414A (en) * 1972-10-27 1975-11-18 Exxon Research Engineering Co Crude oils containing nitrogen dispersants and alkoxylated ashless surfactants usable as diesel fuels
US4414035A (en) * 1979-05-21 1983-11-08 Petrolite Corporation Method for the removal of asphaltenic deposits
US4464182A (en) * 1981-03-31 1984-08-07 Exxon Research & Engineering Co. Glycol ester flow improver additive for distillate fuels
DE3523355A1 (de) * 1985-06-29 1987-01-08 Huels Chemische Werke Ag Verfahren zur gewinnung von oel aus unterirdischem speichergestein
US5250203A (en) * 1987-02-27 1993-10-05 The Lubrizol Corporation Lubricating oil compositions containing a polyoxyalkylene carboxylic acid salt additive
DE3927638A1 (de) * 1989-08-22 1991-02-28 Hoechst Ag Aminfreie veresterte glycidylether-additionsprodukte und deren verwendung
US5143594A (en) * 1989-11-08 1992-09-01 Nalco Chemical Company Refinery anti-foulant - asphaltene dispersant
US5021498A (en) * 1989-11-08 1991-06-04 Nalco Chemical Company Asphaltene dispersants - inhibitors
CA2075749C (en) * 1991-08-12 2004-11-02 William K. Stephenson Desalting adjunct chemistry

Also Published As

Publication number Publication date
CO5050398A1 (es) 2001-06-27
ID24250A (id) 2000-07-13
NO20000165L (no) 2000-01-12
TW466269B (en) 2001-12-01
CN1263581A (zh) 2000-08-16
EP0995012B1 (de) 2001-03-21
EP0995012A1 (de) 2000-04-26
DE19730085A1 (de) 1999-01-21
WO1999004138A1 (de) 1999-01-28
US6063146A (en) 2000-05-16
DE59800567D1 (de) 2001-04-26
NO316403B1 (no) 2004-01-19
NO20000165D0 (no) 2000-01-12

Similar Documents

Publication Publication Date Title
BR9811691A (pt) ácidos éter-carboxìlicos como dispersantes de asfaltenos em óleos brutos.
EA200100809A1 (ru) 2,3,4,5-тетрагидро-1h-[1,4]бензодиазепин-3-гидроксамовые кислоты как ингибиторы матриксных металлопротеиназ
EA200500472A1 (ru) Ацетил 2-гидрокси-1,3-диаминоалканы
YU70901A (sh) Derivati 1,4-benzotiazepin-1,1 dioksida zamenjeni radikalima šećera, postupak za njihovu proizvodnju, lekovi koji sadrže ova jedinjenja i njihova primena
BR0116539A (pt) Derivados de piridona tendo uma atividade de ligação para o receptor 2 do tipo canabinóide
ATE321038T1 (de) Chinolin- und chinazolinderivate und deren verwendung als farnesyl transferase inhibitoren
BR9809421A (pt) Triglicerìdios sintéticos à base de ácido linoléico conjugado
EA200100533A1 (ru) Производные эритромицина, способ их получения и их применение в качестве лекарственных средств
EA200200098A1 (ru) Ароматические сложные эфиры для маркировки или мечения нефтепродуктов
EA200100516A1 (ru) Производные 3,3-биарилпиперидина и 2,2-биарилморфолина
HUP0003484A2 (hu) Pirrolidin-3-karbonsav-származékok és alkalmazásuk endotelin antagonistaként
BRPI0406500A (pt) processo farmacêutico e compostos preparados pelo mesmo
ATE354622T1 (de) Flüssigkristallines medium
MXPA03011682A (es) Derivados sustituidos de n-acil -anilina, su preparacion y su uso como medicamento.
ID25769A (id) Proses fermentasi untuk pembuatan asam d-pantotenik dengan menggunakan strain-strain dari famili enterobacteriaceae
NO991686L (no) Anvendelse av sarkosinater som asfaltendispergatorer
BR0309568A (pt) Triazolopirimidinas
BRPI0414107A (pt) produtos intermediários para a preparação de hìbridos de oxazolidinon-quinolona
CY1107362T1 (el) Παραγωγα ιμιδαζολυλιου χρησιμα ως συνδετες υποδοχεων ισταμινης h3
SI1102765T1 (en) PROCESS FOR THE SYNTHESIS OF (1$i(H))-BENZO C)QUINOLIZIN-3-ONES DERIVATIVES
EA200501244A1 (ru) Оксатиинкарбоксамиды
EA200400211A1 (ru) Лиофилизованная композиция 2-метилтиенобензодиазепина
MXPA03008248A (es) Agentes colorantes para fibras de queratina que contienen derivados de n-heteroarilmetil-m-fenilendiamina, asi como nuevos derivados de n-heteroarilmetil-m-fenilendiamina.
EA199900156A1 (ru) Новые производные эритромицина, способ их получения и их применение в качестве медикаментов
EA199900528A1 (ru) Новые производные эритромицина, способ их получения и применения в качетве медикаментов

Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]