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:
Apr. 14, 1992
Filed:
Jul. 06, 1990
Applicant:
Inventors:
Shigeki Kuze, Ichihara, JP;
Hideo Kusuyama, Ichihara, JP;
Masayuki Shinohara, Ichihara, JP;
Masaya Okamoto, Ichihara, JP;
Assignee:
Idemitsu Petrochemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528204 ; 528125 ; 528171 ; 528174 ; 528196 ; 528202 ;
Abstract
A branched polycarbonate having (1) an intrinsic viscosity of 0.3 to 2 dl/g, (2) a branching parameter of 0.05 to 0.9, (3) a degree of branching of 0.2.times.10.sup.-4 and optionally (4) a taking-off parameter of 2.5 to 20. The branched polycarbonate is useful as a raw material for blow-moldings.
Kuze, Shigeki. (1992). Branched polycarbonate having branching parameter and degree of branching (U.S. Patent No. 5104964). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5104964
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile