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. 23, 1986
Filed:
Nov. 26, 1984
Kazuhira Namikawa, Yokohama, JP;
Toshiaki Hamaguchi, Yokohama, JP;
Mutsuaki Nakamura, Yokohama, JP;
Akio Kuroda, Yokohama, JP;
Akio Hata, Shinnanyo, JP;
Noriki Fujii, Shinnanyo, JP;
Victor Company of Japan, Ltd., both of, JP;
Tokuyama Sekisui Industry Corporation, Limited, both of, JP;
Abstract
High density information records formed from conductive resin compositions which comprise a graft polymer obtained by subjecting vinyl chloride monomer to graft polymerization with a copolymer of ethylene and vinyl acetate having a content of vinyl acetate of not less than 35 wt % and a melt index up to 20 and prepared according to a solution polymerization technique. The conductive composition further comprises predetermined amounts of a conductive material and a lubricant of a specific type. The lubricant is an ester between aliphatic acid and alcohol having a hydroxyl value not larger than 15.