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. 12, 1997
Filed:
Mar. 20, 1996
Masahide Tanaka, Yamaguchi-ken, JP;
Tetsuo Hayashi, Yamaguchi-ken, JP;
Takashi Hayashi, Yamaguchi-ken, JP;
Kinya Mizui, Ichihara, JP;
Kunihiko Takeuchi, Ichihara, JP;
Hajime Oyoshi, Yamaguchi-ken, JP;
Mitsui Petrochemical Industries, Ltd., Tokyo, JP;
Abstract
A monocarbonate represented by the formula (R.sup.1).sub.n Ph--O(R.sup.2 O).sub.m --CO--O--CH.sub.2 --C(R.sup.3)(R.sup.4)(R.sup.5), a lubricating oil containing this monocarbonate, and a process for preparing a composition of this monocarbonate, a monocarbonate to which are bonded, via carbonic acid, two (R.sup.5)(R.sup.4)(R.sup.3)C--CH.sub.2 -- groups and a monocarbonate to which are bonded, via carbonic acid, two (R.sup.1).sub.n Ph--(OR.sup.2).sub.m -- groups. The monocarbonate exhibits excellent lubricating property, cleaning property and electrically insulating property, exhibits excellent compatibility with hydrogenated fluorocarbons such as R-134a, and can be favorably used as a lubricating oil for refrigerators such as electric refrigerators and air conditioners for room.