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. 28, 1987
Filed:
Jul. 03, 1985
Applicant:
Inventors:
Motoaki Tanaka, Saitama, JP;
Yasuaki Ogawa, Osaka, JP;
Tsutomu Miyagawa, Saitama, JP;
Toshio Watanabe, Saitama, JP;
Assignees:
Waco Pure Chemical Ind. Inc., Osaka, JP;
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528361 ; 528354 ;
Abstract
A polymer or copolymer of lactic acid and/or glycolic acid which has a weight-average molecular weight of not less than about 5,000 and a dispersity of about 1.5 to 2 is advantageously used as a biodegradable polymer or copolymer for medical preparation.
Tanaka, Motoaki. (1987). Polymer and its production (U.S. Patent No. 4683288). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4683288
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile