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:
May. 01, 2012
Filed:
Jan. 16, 2007
Applicants:
Michael Coates, Elverson, PA (US);
Iaian Robert Whitlow, Cheshire, GB;
Terry Anderson, Cheshire, GB;
Inventors:
Michael Coates, Elverson, PA (US);
Iaian Robert Whitlow, Cheshire, GB;
Terry Anderson, Cheshire, GB;
Assignee:
Whitford Plastics Limited, Cheshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for the preparation of fluoropolymer powdered materials is disclosed. A suspension of solid fluoropolymer particles in a liquid carrier, preferably water, is frozen and the frozen carrier is then removed by sublimation at sub-atmospheric pressure to produce a dry powder of fluoropolymers particles.