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. 06, 1998
Filed:
Dec. 27, 1995
Yoshihiro Shiokawa, Kurashiki, JP;
Shunichi Matsumoto, Kurashiki, JP;
Yoshifumi Sato, Kurashiki, JP;
Kinji Kato, Kurashiki, JP;
Mitsuharu Kitamura, Kurashiki, JP;
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Abstract
A process for the production of a high-performance hybrid polyol ester having excellent compatibility with hydrofluorocarbons which are regarded as the most likely refrigerant and having excellent resistance to hydrolysis which esters are liable to undergo, the polyol ester having a plurality of branched fatty acid residues at least one of which has a different number of carbon atoms from that of the other branched fatty acid residue or those of the other branched fatty acid residues, the process comprising reacting at least two kinds of olefins having different numbers of carbon atoms, carbon monoxide and a polyhydric alcohol in the presence of hydrogen fluoride.