logo

For the Inventor, By the Inventor

The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 4670521 B1

PDFFull Text
Date of Patent:
Jun. 02, 1987

Filed:

Mar. 06, 1985

Process for producing tertiary amino group-containing vinyl polymers and

Applicant:
Inventors:

Masataka Ooka, Nara, JP;

Shinichi Kawamura, Izumi-ohtsu, JP;

Yoichi Murakami, Kumatori, JP;

Assignee:

Dainippon Ink and Chemicals, Inc., Tokyo, JP;

Attorney:

Sherman and Shalloway

Primary Examiner:

Joseph L Schofer

Assistant Examiner:

Bernard Lipman

Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525382 ; 5253276 ;
Abstract

A process for the production of a vinyl polymer containing a tertiary amino group, which comprises subjecting (a-1) a vinyl polymer containing a carboxylic anhydride group obtained by copolymerizing maleic anhydride, itaconic anhydride or mixtures thereof with at least one copolymerizable monomer and (a-2) a compound containing both one primary amino group and one tertiary amino group for each molecule to a ring-opening reaction, and dehydrocyclizing the adduct to form an imide ring containing polymer. A curable resin composition comprising the resulting polymer and a polyepoxy compound as essential ingredients.

Find Patent Forward Citations

Ooka, Masataka. (1987). Process for producing tertiary amino group-containing vinyl polymers and (U.S. Patent No. 4670521). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4670521

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…