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:
Nov. 18, 2003
Filed:
Jan. 02, 2002
Applicant:
Inventors:
Ramin Amin-Sanayei, King of Prussia, PA (US);
Lawrence Kyran Wempe, Upper Saucon, PA (US);
Valerie Toulin, Le Mans, FR;
Mehdi Durali, West Chester, PA (US);
Assignee:
Atofina Chemicals, Inc., Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 1/418 ;
U.S. Cl.
CPC ...
C08F 1/418 ;
Abstract
Vinylidene fluoride polymers are produced by using ethane as a chain transfer agent in the emulsion polymerization process. Vinylidene fluoride homopolymers made by the process have a significantly reduced tendency to generate cavities at high temperatures and a greater resistance to discoloration at high temperatures.