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:
Feb. 01, 1994
Filed:
Oct. 13, 1992
Applicant:
Inventors:
Toshiharu Yagi, Osaka, JP;
Nobuhiko Tsuda, Osaka, JP;
Tsuyoshi Noguchi, Osaka, JP;
Kohsaku Sakaguchi, Osaka, JP;
Yoshito Tanaka, Osaka, JP;
Masayoshi Tatemoto, Osaka, JP;
Assignee:
Daikin Industries Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
623-6 ; 523105 ;
Abstract
a fluorine-containing block copolymer comprising at least one soft segment which comprises chlorotrifluoroethylene and vinylidene fluoride and at least one hard segment which comprises a fluorine-containing crystalline polymer, which copolymer has good flexibility and transparency and useful as a material for an artificial lens.
Yagi, Toshiharu. (1994). Fluorine-containing block copolymer and artificial lens comprising the (U.S. Patent No. 5282854). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5282854
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile