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:
Aug. 07, 1990
Filed:
Apr. 14, 1989
Applicant:
Inventors:
Jean Blaise, Lyon, FR;
Patrick Kappler, Ecully, FR;
Assignee:
Atochem, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525276 ;
Abstract
Heterogeneous copolymers of vinylidene fluoride and chlorotrifluoroethylene are obtained by copolymerization in suspension or emulsion in two stages. In a first stage the vinylidene fluoride and the chlorotrifluoroethylene are copolymerized, and in a second stage the polymerization of vinvylidene fluoride is continued after discontinuance of the introduction of chlorotrifluoroethylene.
Blaise, Jean. (1990). Heterogeneous copolymer of vinylidene fluoride and (U.S. Patent No. 4946900). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4946900
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile