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. 12, 1985
Filed:
Jul. 20, 1983
Applicant:
Inventors:
Fumitoshi Yamashita, Kyoto, JP;
Tomiaki Sakano, Hirakata, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428338 ; 1921 / ; 1921 / ; 264122 ; 428455 ;
Abstract
This disclosure is directed to a friction material which includes a porous material and capsules containing a hydrophobic substance in a liquid form. The porous material and capsules are formed into a composite structure by a binding agent so as to use the hydrophobic substance contained in the capsules for a component of a lubricating layer to be formed on the friction material upon breakage of the capsules.
Yamashita, Fumitoshi. (1985). Friction material (U.S. Patent No. 4504543). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4504543
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile