FI914517A7 - Menetelmä painomusteen poistamiseksi jätepaperista - Google Patents

Menetelmä painomusteen poistamiseksi jätepaperista Download PDF

Info

Publication number: FI914517A7
Authority: FI; Finland
Prior art keywords: printing ink; waste paper; removing printing; waste; paper
Prior art date: 1990-09-26

Application number

FI914517A

Other languages

English (en)

Swedish (sv)

Other versions

FI914517L (fi

FI914517A0 (fi

Inventor

John Stuart Cowman

Original Assignee

Sandoz Ag

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.)

1990-09-26

Filing date

1991-09-25

Publication date

1992-03-27

1990-09-26 Priority claimed from GB909020967A external-priority patent/GB9020967D0/en

1990-10-23 Priority claimed from GB909023077A external-priority patent/GB9023077D0/en

1990-10-23 Priority claimed from GB909023076A external-priority patent/GB9023076D0/en

1991-09-25 Application filed by Sandoz Ag filed Critical Sandoz Ag

1991-09-25 Publication of FI914517A0 publication Critical patent/FI914517A0/fi

1992-03-27 Publication of FI914517L publication Critical patent/FI914517L/fi

1992-03-27 Publication of FI914517A7 publication Critical patent/FI914517A7/fi

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
- D21C5/027—Chemicals therefor
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling

Landscapes

Health & Medical Sciences (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Toxicology (AREA)
Paper (AREA)
Paints Or Removers (AREA)

FI914517A 1990-09-26 1991-09-25 Menetelmä painomusteen poistamiseksi jätepaperista FI914517A7 (fi)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB909020967A GB9020967D0 (en)	1990-09-26	1990-09-26	Improvements in or relating to organic compounds
GB909023077A GB9023077D0 (en)	1990-10-23	1990-10-23	Improvements in or relating to organic compounds
GB909023076A GB9023076D0 (en)	1990-10-23	1990-10-23	Improvements in or relating to organic compounds

Publications (3)

Publication Number	Publication Date
FI914517A0 FI914517A0 (fi)	1991-09-25
FI914517L FI914517L (fi)	1992-03-27
FI914517A7 true FI914517A7 (fi)	1992-03-27

Family

ID=27265288

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI914517A FI914517A7 (fi)	1990-09-26	1991-09-25	Menetelmä painomusteen poistamiseksi jätepaperista

Country Status (5)

Country	Link
EP (1)	EP0478505A3 (fi)
JP (1)	JPH04234466A (fi)
AU (1)	AU8472391A (fi)
CA (1)	CA2052116A1 (fi)
FI (1)	FI914517A7 (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4223485A1 (de) *	1992-07-17	1994-01-20	Voith Gmbh J M	Verfahren zum Aufbereiten von Altpapier
JP3051826B2 (ja) *	1996-06-03	2000-06-12	花王株式会社	脱墨方法
DE19631150B4 (de) *	1996-08-01	2007-04-19	Süd-Chemie AG	Verfahren zur Ablösung von Druckfarben (Deinking) von cellulosehaltigen Druckträgern
US6312559B1 (en) *	1996-10-02	2001-11-06	Kao Corporation	Deinking process using amine compounds and white water recycling
FR2904011B1 (fr) *	2006-07-21	2011-03-18	Ct Tech De L Ind Du Papier Carton Et Cellulose	Procede de reduction de la teneur en tensioactifs au cours du desencrage du papier et dispositif de desencrage mettant en oeuvre ce procede.
JP6774776B2 (ja) *	2016-04-08	2020-10-28	日華化学株式会社	脱墨パルプの製造方法
CN107476105B (zh) *	2017-07-17	2020-04-14	山东华泰纸业股份有限公司	一种废纸制浆过程中去除胶粘物的工艺

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4013505A (en) *	1972-03-09	1977-03-22	Vyzkumny Ustav Papieru A Celulosy	Method of deinking printed wastepapers
US4483741A (en) *	1982-08-10	1984-11-20	Economics Laboratory, Inc.	Low-foaming, pH sensitive, alkylamine polyether surface active agents and methods for using

1991
- 1991-09-23 EP EP19910810745 patent/EP0478505A3/en not_active Withdrawn
- 1991-09-24 AU AU84723/91A patent/AU8472391A/en not_active Abandoned
- 1991-09-24 CA CA 2052116 patent/CA2052116A1/en not_active Abandoned
- 1991-09-25 JP JP3246084A patent/JPH04234466A/ja active Pending
- 1991-09-25 FI FI914517A patent/FI914517A7/fi not_active Application Discontinuation

Also Published As

Publication number	Publication date
CA2052116A1 (en)	1992-03-27
FI914517L (fi)	1992-03-27
AU8472391A (en)	1992-04-02
EP0478505A2 (en)	1992-04-01
FI914517A0 (fi)	1991-09-25
JPH04234466A (ja)	1992-08-24
EP0478505A3 (en)	1993-09-01

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Legal Events

Date	Code	Title	Description
1997-03-14	FD	Application lapsed