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:
Mar. 15, 2022
Filed:
Jul. 11, 2017
Applicant:
Valqua, Ltd., Tokyo, JP;
Inventors:
Naoki Osumi, Gojo, JP;
Tomomitsu Mochizuki, Gojo, JP;
Kana Hirai, Gojo, JP;
Masamune Noguchi, Gojo, JP;
Assignee:
VALQUA, LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08L 27/12 (2006.01); C08K 3/04 (2006.01); C09K 3/10 (2006.01); C08K 5/3445 (2006.01); C08K 5/3492 (2006.01); C08K 5/353 (2006.01);
U.S. Cl.
CPC ...
C08L 27/12 (2013.01); C08K 3/04 (2013.01); C08K 5/3445 (2013.01); C08K 5/3492 (2013.01); C08K 5/353 (2013.01); C09K 3/1009 (2013.01); C08K 2201/001 (2013.01); C09K 2003/1068 (2013.01); C09K 2200/0208 (2013.01);
Abstract
Provided are a perfluoroelastomer composition which contains 100 parts by weight of a perfluoroelastomer containing a constituent unit derived from a nitrile group-containing monomer, and 0.01 to 5 parts by weight of ketjen black; and a sealing material including a crosslinked product of the perfluoroelastomer composition.