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. 15, 2001
Filed:
Aug. 18, 1999
Applicant:
Inventors:
Makoto Suzuki, Kakegawa, JP;
Masahiro Mori, Shizuoka-ken, JP;
Assignee:
NSK-Warner, K. K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 5/14 ;
U.S. Cl.
CPC ...
C08J 5/14 ;
Abstract
A wet friction material with small initial variations in friction coefficient, suppressing occurrence of heat spots, and with excellent heat resistance and friction resistance is provided. In the wet friction material including a fiber base material, a filler, a friction controller, and a resin binder, the resin binder is a phenolic resin modified with p-nonyl phenol.