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. 25, 2009
Filed:
Oct. 27, 2005
Applicants:
David J. Lavanga, Reading, PA (US);
Richard Delucca, Coatesville, PA (US);
Inventors:
David J. Lavanga, Reading, PA (US);
Richard DeLucca, Coatesville, PA (US);
Assignee:
AGC Chemicals Americas, Inc., Bayonne, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 27/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A micropowder composition containing a granular PTFE micropowder, a fine powder PTFE micropowder, and a fine powder molding resin provides mixtures with fluoroelastomers containing copolymerized and alternating units of tetrafluoroethylene and propylene that provide molded articles having improved surface smoothness characteristics and tear resistance on molding. Processes for mixing additives with fluoroelastomers by adding or mixing the fluoroelastomer with the additives in the presence of micropowder PTFE compositions.