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:
Feb. 14, 1984
Filed:
Dec. 21, 1981
Applicant:
Inventors:
Assignee:
Mitsubishi Oil Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 / ; 252 67 ; 252 68 ;
Abstract
A fluid composition comprised of a fluorocarbon refrigerant, a hydrocarbon oil, and an alkylene oxide additive compound represented by the general formula (I): ##STR1## wherein R is hydrogen or a lower alkyl group and R' is an alkyl group, wherein R and R' contain 6 or more carbon atoms. The additive improves the thermal resistance of the oil in the presence of the refrigerant.