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:
Sep. 26, 2000
Filed:
Mar. 12, 1999
Applicant:
Inventors:
Tadatomi Nishikubo, Fujisawa, JP;
Atsushi Kameyama, Yokohama, JP;
Assignee:
Kanagawa University, Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08L / ;
U.S. Cl.
CPC ...
525109 ; 525108 ; 525132 ; 528154 ; 528104 ; 528 87 ; 528425 ; 528486 ; 528487 ;
Abstract
A novel polyaddition copolymer having repetition units represented by the following general formula: ##STR1## where R: a lower alkyl group, Ar: a bisphenol compound residue, and X: a CH.sub.2 O group or a COO group, is obtained by copolymerization reaction of a bisoxetane compound represented by the following general formula: ##STR2## and a bisphenol compound.