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:
Mar. 20, 1990
Filed:
Sep. 07, 1988
Applicant:
Inventors:
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528201 ; 528204 ;
Abstract
An aromatic-aliphatic polycarbonate copolymer having a structural unit represented by the formula (1) ##STR1## and a structural unit represented by the formula (2) ##STR2## the molar function of the structural unit represented by the formula (1) being 70 to 10%, and the reduced viscosity as determined at 20.degree. C. in a 0.2 g/dl solution of the copolymer in methylene chloride as a solvent being 0.3 to 1.0 dl/g.
Kawaki, Takao. (1990). Aromatic-aliphatic polycarbonate copolymer (U.S. Patent No. 4910283). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4910283
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile