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:
Jan. 04, 1994
Filed:
Nov. 27, 1991
Applicant:
Inventors:
Toshio Ikeda, Osaka, JP;
Kouji Shimizu, Osaka, JP;
Assignee:
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
428332 ; 428480 ; 528176 ;
Abstract
A polyarylate film having optical isotropy and process for the preparation thereof are disclosed, in which the film satisfies the following relationship (1) and (2);
Ikeda, Toshio. (1994). Polyarylate film having optical isotropy and production process thereof (U.S. Patent No. 5275881). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5275881
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile