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:
Sep. 08, 1992
Filed:
Mar. 27, 1991
Applicant:
Inventors:
Hiroshi Ikeda, Ichikai, JP;
Nobuyuki Kishine, Ichikai, JP;
Tsuyoshi Otani, Ichikai, JP;
Mashahiko Niinomi, Ichikai, JP;
Assignee:
KAO Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
366133 ; 360128 ;
Abstract
In a magnetic disk jacket including a liner partly welded to the inner surface of a case and adapted to clean the surface of a magnetic disk, the liner contains 0.001 to 0.05g of a polydimethylsiloxane derivative having a viscosity of from 50 to 3000 cSt at 25.degree. C. and having a polyether group or both polyether group and epoxy group in a molecule per 1 g of the liner.