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:
Dec. 08, 1987
Filed:
Jun. 13, 1986
Noboru Kanda, Hiratsuka, JP;
Kenzou Yokoyama, Hiratsuka, JP;
Ken-ichi Aoki, Kanagawa, JP;
Shinji Akita, Yokohama, JP;
Masayuki Hatanaka, Yokohama, JP;
Tatsuharu Oda, Yokohama, JP;
Nippon Kokan Kabushiki Kaisha, both of, JP;
Yushiro Chemical Industry Co., Ltd., both of, JP;
Abstract
A lubricant for the production of seamless tubes comprising water-insoluble fine synthetic resin particles, fine gilsonite and graphite, in which about 30 parts by weight of water-insoluble fine synthetic resin particles, from about 15 to about 30 parts by weight of fine gilsonite particles and from about 40 to about 55 parts by weight of fine graphite powder are contained.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile