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:
Jan. 30, 1990
Filed:
Jun. 12, 1989
Applicant:
Inventors:
Takateru Dekura, Kanagawa, JP;
Juro Endo, Saitama, JP;
Assignees:
Hitachi Metals, Ltd., Tokyo, JP;
Maruwa Bussan K. K., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 54 ; 252 58 ; 428328 ; 428421 ;
Abstract
A synthetic lubricant comprising a compound represented by the following general formula (I): ##STR1## wherein Rf and Rf' represent a fluorine-containing polyoxyalkylene group, X and X' a polar group, Y of one or more selected from the group consisting of methylene, ethylene, propylene, oxygen, ketone, imino, sulfon and sulfur or no atom or group, and n an integer of 0 to 5, and a magnetic recording medium coated with this lubricant.