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.:
Date of Patent:
Jul. 18, 1989
Filed:
Mar. 03, 1988
Applicant:
Inventors:
Yoshihisa Watanabe, Ibaraki, JP;
Makoto Takeda, Ibaraki, JP;
Hisao Kinoshita, Ibaraki, JP;
Akiko Fujishima, Ibaraki, JP;
Assignee:
Mitsubishi Petrochemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528271 ; 525539 ; 528392 ;
Abstract
A terpolymer whose backbone chain is composed of the following building units is described: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 each is H or an alkyl group selected from among CH.sub.3 and C.sub.2 H.sub.5. Further, a polyelectrolyte made either of a terpolymer or of a derivative thereof is also described.