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. 08, 2011
Filed:
Jul. 15, 2008
Applicants:
Andrew J. Melville, Cheshire, GB;
Leonard W. Harvey, Downingtown, PA (US);
Joel Ginies, Cheshire, GB;
Michael Coates, Elverson, PA (US);
Julie K. Wright, Cheshire, GB;
Inventors:
Andrew J. Melville, Cheshire, GB;
Leonard W. Harvey, Downingtown, PA (US);
Joel Ginies, Cheshire, GB;
Michael Coates, Elverson, PA (US);
Julie K. Wright, Cheshire, GB;
Assignee:
Whitford Plastics Limited, Runcorn, Cheshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 6/00 (2006.01); C08J 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for the preparation of a modified fluoropolymer powdered material is disclosed. A suspension of solid fluoropolymer particles together with PTFE particles in an aqueous carrier, is frozen and the frozen carrier is then removed by sublimation at sub-atmospheric pressure to produce a dry powder of modified fluoropolymer particles.