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. 23, 2001
Filed:
Mar. 20, 2000
Applicant:
Inventors:
Akihiro Oishi, Tsukuba, JP;
Yoichi Taguchi, Tsuchiura, JP;
Ken-ichi Fujita, Tsukuba, JP;
Yoshikazu Ikeda, Tokyo, JP;
Takashi Masuda, Abiko, JP;
Yutaka Ishigami, Tokyo, JP;
Kazuo Nakayama, Ushiku, JP;
Shinichi Kinugasa, Tsukuba, JP;
Hisae Nakahara, Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 1/000 ;
U.S. Cl.
CPC ...
C08G 1/000 ;
Abstract
A process of producing a polyester or copolyester, wherein at least one cyclic lactone of the following formula (I):
Oishi, Akihiro. (2001). Aliphatic polyester and process for the production thereof (U.S. Patent No. 6177539). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6177539
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile