ATE59068T1 - Hilfsmittel zur harzkontrolle. - Google Patents

Hilfsmittel zur harzkontrolle.

Info

Publication number: ATE59068T1
Authority: AT; Austria
Prior art keywords: epihalohydrin; control tools; resin control; diepoxide; functionality
Prior art date: 1986-01-09

Application number

AT87300212T

Other languages

English (en)

Inventor

Thord Gustav Gunnar Hassler

Original Assignee

Grace W R Ab

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.)

1986-01-09

Filing date

1987-01-09

Publication date

1990-12-15

1987-01-09 Application filed by Grace W R Ab filed Critical Grace W R Ab

1990-12-15 Application granted granted Critical

1990-12-15 Publication of ATE59068T1 publication Critical patent/ATE59068T1/de

Links

239000011347 resin Substances 0.000 title 1
229920005989 resin Polymers 0.000 title 1
150000003973 alkyl amines Chemical class 0.000 abstract 1
150000001412 amines Chemical class 0.000 abstract 1
125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 abstract 1
239000002243 precursor Substances 0.000 abstract 1
229920003169 water-soluble polymer Polymers 0.000 abstract 1

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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
- D21C9/086—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with organic compounds or compositions comprising organic compounds
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/02—Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Medicines Containing Plant Substances (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Liquid Crystal Substances (AREA)
Valve Device For Special Equipments (AREA)
Farming Of Fish And Shellfish (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Epoxy Resins (AREA)

AT87300212T 1986-01-09 1987-01-09 Hilfsmittel zur harzkontrolle. ATE59068T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB8600506A GB2186895B (en)	1986-01-09	1986-01-09	Pitch control aid
EP87300212A EP0232015B1 (de)	1986-01-09	1987-01-09	Hilfsmittel zur Harzkontrolle

Publications (1)

Publication Number	Publication Date
ATE59068T1 true ATE59068T1 (de)	1990-12-15

Family

ID=10591145

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT87300212T ATE59068T1 (de)	1986-01-09	1987-01-09	Hilfsmittel zur harzkontrolle.

Country Status (8)

Country	Link
EP (1)	EP0232015B1 (de)
JP (1)	JPH07113200B2 (de)
AT (1)	ATE59068T1 (de)
CA (1)	CA1306570C (de)
DE (1)	DE3766623D1 (de)
ES (1)	ES2019376B3 (de)
FI (1)	FI88814C (de)
GB (1)	GB2186895B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE467667B (sv) *	1988-08-11	1992-08-24	Grace W R & Co	Foerfarande foer reglering av produktionsstoerande mikrobiologiska avsaettningar paa papperstillverkningsutrustning
JP2618496B2 (ja) *	1988-09-16	1997-06-11	グレイス・ディアーボーソ・インコーポレーテッド	製紙機フエルト等への析出防止法
US4995944A (en) *	1988-09-16	1991-02-26	Dearborn Chemical Company Ltd.	Controlling deposits on paper machine felts using cationic polymer and cationic surfactant mixture
US4997523A (en) *	1990-06-20	1991-03-05	Betz Panerchem, Inc.	Method for effectively breaking up latex-coated paper during pulping to decrease the potential for white pitch deposition
GB2251868B (en) *	1990-12-24	1994-07-27	Grace W R & Co	Pitch control
TW202043331A (zh) *	2018-11-30	2020-12-01	美商Ｂｌ科技公司	焦化加熱器之積垢減量

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3248353A (en) *	1963-05-17	1966-04-26	American Cyanamid Co	Alkylene polyamine resin
USRE28808E (en) *	1972-02-04	1976-05-11	American Cyanamid Company	Polyquaternary flocculants
US3855299A (en) *	1973-06-11	1974-12-17	Grace W R & Co	Water soluble reaction product of epihalohydrin and alkylamines
US4093605A (en) *	1975-01-24	1978-06-06	Wolff Walsrode Aktiengesellschaft	Auxiliary agent for improving retention, drainage and treatment
US4250269A (en) *	1979-11-26	1981-02-10	Buckman Laboratories, Inc.	Water-soluble mixtures of quaternary ammonium polymers, nonionic and/or cationic vinyl-addition polymers, and nonionic and/or cationic surfactants
CA1150914A (en) *	1980-11-28	1983-08-02	Margaret J. Molnar	Amine-epichlorohydrin polymers for pitch control

1986
- 1986-01-09 GB GB8600506A patent/GB2186895B/en not_active Expired
1987
- 1987-01-08 CA CA000526936A patent/CA1306570C/en not_active Expired - Lifetime
- 1987-01-08 FI FI870072A patent/FI88814C/fi not_active IP Right Cessation
- 1987-01-09 JP JP62001956A patent/JPH07113200B2/ja not_active Expired - Lifetime
- 1987-01-09 ES ES87300212T patent/ES2019376B3/es not_active Expired - Lifetime
- 1987-01-09 AT AT87300212T patent/ATE59068T1/de not_active IP Right Cessation
- 1987-01-09 DE DE8787300212T patent/DE3766623D1/de not_active Expired - Lifetime
- 1987-01-09 EP EP87300212A patent/EP0232015B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
FI88814B (fi)	1993-03-31
CA1306570C (en)	1992-08-18
JPH07113200B2 (ja)	1995-12-06
FI88814C (fi)	1993-07-12
GB2186895B (en)	1989-11-01
JPS62223394A (ja)	1987-10-01
DE3766623D1 (de)	1991-01-24
FI870072L (fi)	1987-07-10
GB8600506D0 (en)	1986-02-12
EP0232015A1 (de)	1987-08-12
ES2019376B3 (es)	1991-06-16
GB2186895A (en)	1987-08-26
FI870072A0 (fi)	1987-01-08
EP0232015B1 (de)	1990-12-12

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Legal Events

Date	Code	Title
1991-11-15	UEP	Publication of translation of european patent specification
1996-11-15	EEFA	Change of the company name
1998-06-15	EEIH	Change in the person of patent owner
2007-04-15	EELA	Cancelled due to lapse of time