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:
Aug. 22, 1995
Filed:
Oct. 06, 1993
Nippon Oil Co., Ltd., , JP;
Abstract
A lubricant for a refrigerating machine is here disclosed which comprises a polyoxyalkylene glycidyl ether represented by the general formula ##STR1## wherein B is a residue of a compound having 2 to 8 hydroxyl groups, A.sub.1 O, A.sub.2 O and A.sub.3 O may be identical or different, each of them is an oxyalkylene group having 2 to 18 carbon atoms, R is a hydrocarbon group having 1 to 24 carbon atoms, a is an integer of from 1 to 100, b is an integer of from 1 to 100, c is an integer of from 1 to 100, l is an integer of from 1 to 8, m is an integer of from 0 to 7, n is an integer of from 0 to 7, and l+m+n is an integer of from 2 to 8. The above-mentioned lubricant is excellent in stability in the presence of a FLON refrigerant.