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.

Date of Patent:
Sep. 06, 1994

Filed:

Jan. 08, 1993
Applicant:
Inventors:

Nariyoshi Kawabata, Osaka, JP;

Mutsumi Kohsaka, Moriyama, JP;

Teruya Kurooka, Fujiidera, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
5253271 ; 525340 ; 525343 ; 525353 ; 5253591 ; 5253596 ;
Abstract

Provided are biodegradable polymers each of which can be obtained by introducing pyridinium groups such as N-alkylpyridinium groups or N-arylpyridinium groups into a backbone of a synthetic polymer of a vinyl compound or olefin and then quaternizing the pyridinium groups with counter anions such as chlorine ions or bromine ions. The biodegradable polymers have high compatibility with microbial cells so that articles molded or otherwise formed from the biodegradable polymers can be easily decomposed by activated sludge or under conditions buried in the ground.


Find Patent Forward Citations

Kawabata, Nariyoshi. (1994). Biodegradable polymers (U.S. Patent No. 5344891). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5344891

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

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