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. 10, 2023
Filed:
Mar. 26, 2020
Applicant:
Uchiyama Manufacturing Corp., Okayama, JP;
Inventors:
Taiga Kunii, Okayama, JP;
Kazushi Sakate, Okayama, JP;
Assignee:
UCHIYAMA MANUFACTURING CORP., Okayama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 9/02 (2006.01); C08L 91/06 (2006.01); C08K 3/04 (2006.01); C08K 3/34 (2006.01); C08K 5/39 (2006.01); C08K 3/36 (2006.01);
U.S. Cl.
CPC ...
C08L 9/02 (2013.01); C08K 3/04 (2013.01); C08K 3/346 (2013.01); C08K 3/36 (2013.01); C08K 5/39 (2013.01); C08L 91/06 (2013.01); C08L 2312/00 (2013.01);
Abstract
A rubber composition includes: 100 parts by mass of a nitrile rubber (A); 10 to 300 parts by mass of a white filler (B); 0.3 to 10 parts by mass of a paraffin wax (C); and 0.5 to 5 parts by mass of a dithiocarbamic acid salt-based antioxidant (D). The nitrile rubber (A) has a content of an acrylonitrile unit of 19 to 30 mass %, and the paraffin wax (C) has a melting point of 45 to 100° C.