DE3171522D1 - Copolymers soluble in and aqueous medium and stable in an acid medium, preparation and use thereof - Google Patents

Copolymers soluble in and aqueous medium and stable in an acid medium, preparation and use thereof

Info

Publication number
DE3171522D1
DE3171522D1 DE8282900099T DE3171522T DE3171522D1 DE 3171522 D1 DE3171522 D1 DE 3171522D1 DE 8282900099 T DE8282900099 T DE 8282900099T DE 3171522 T DE3171522 T DE 3171522T DE 3171522 D1 DE3171522 D1 DE 3171522D1
Authority
DE
Germany
Prior art keywords
stable
preparation
medium
aqueous medium
copolymers soluble
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.)
Expired
Application number
DE8282900099T
Other languages
German (de)
Inventor
Friedrich Engelhardt
Klaus Kuhlein
Ulrich Riegel
Halasz Sigmar Von
Jeffrey C Dawson
Anthony R Reed
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanofi Aventis Deutschland GmbH
Cassella Farbwerke Mainkur AG
Dresser Industries Inc
Original Assignee
Cassella AG
Cassella Farbwerke Mainkur AG
Dresser Industries Inc
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 Cassella AG, Cassella Farbwerke Mainkur AG, Dresser Industries Inc filed Critical Cassella AG
Priority claimed from PCT/EP1981/000192 external-priority patent/WO1982002073A1/en
Application granted granted Critical
Publication of DE3171522D1 publication Critical patent/DE3171522D1/en
Expired legal-status Critical Current

Links

DE8282900099T 1980-12-15 1981-12-14 Copolymers soluble in and aqueous medium and stable in an acid medium, preparation and use thereof Expired DE3171522D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21667180A 1980-12-15 1980-12-15
PCT/EP1981/000192 WO1982002073A1 (en) 1980-12-15 1981-12-14 Copolymers soluble in an aqueous medium and stable in an acid medium,preparation and use thereof

Publications (1)

Publication Number Publication Date
DE3171522D1 true DE3171522D1 (en) 1985-08-29

Family

ID=26069280

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282900099T Expired DE3171522D1 (en) 1980-12-15 1981-12-14 Copolymers soluble in and aqueous medium and stable in an acid medium, preparation and use thereof

Country Status (2)

Country Link
DE (1) DE3171522D1 (en)
DK (1) DK364882A (en)

Also Published As

Publication number Publication date
DK364882A (en) 1982-08-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee