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:
Jan. 31, 2006
Filed:
Jun. 08, 2004
Applicant:
Shuhong Wang, Hockessin, DE (US);
Inventor:
Shuhong Wang, Hockessin, DE (US);
Assignee:
DuPont Dow Elastomers LLC, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K 5/21 (2006.01);
U.S. Cl.
CPC ...
Abstract
A non-black filled perfluoroelastomer composition comprising a) a perfluoroelastomer having nitrile group cure sites, b) a curative selected from the group consisting of i) a bis(aminophenol) and ii) a compound that decomposes at curing temperatures to generate ammonia and c) 1–25 phr hydrophobic silica filler. Cured compositions have surprisingly better compression set than do similar compounds containing hydrophilic silica.
Wang, Shuhong. (2006). Curable perfluoroelastomer composition (U.S. Patent No. 6992143). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6992143
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile