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:
May. 12, 1981
Filed:
Oct. 24, 1979
Applicant:
Inventors:
Umekichi Sasaki, Kawasaki, JP;
Masaaki Tsunemi, Kawasaki, JP;
Kaichi Yamada, Kadoma, JP;
Yoshiyuki Morikawa, Kadoma, JP;
Assignees:
Nippon Oil Company, Ltd., both of, JP;
Matsushita Electric Industrial Co., Ltd., both of, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 / ; 252 / ; 252 68 ; 252396 ; 252407 ; 568581 ;
Abstract
Oil compositions are disclosed for effective use in the lubrication of rotary-type compressor for refrigeration equipment. The composition essentially comprises a polyglycol oil blended with specified amounts of at least one of additives or compounds of the group consisting of glycidyl ether type epoxy compounds, epoxidized fatty acid monoesters and epoxidized vegetable oils.