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. 30, 2006
Filed:
Apr. 09, 1998
Hiroshi Hasegawa, Yokohama, JP;
Noboru Ishida, Yokohama, JP;
Umekichi Sasaki, Yokohama, JP;
Tatsuyuki Ishikawa, Yokohama, JP;
Hiroshi Hasegawa, Yokohama, JP;
Noboru Ishida, Yokohama, JP;
Umekichi Sasaki, Yokohama, JP;
Tatsuyuki Ishikawa, Yokohama, JP;
Nippon Mitsubishi Oil Corporation, Tokyo, JP;
Abstract
A fluid composition for a refrigerator, which comprises a chlorine-free fluorocarbon refrigerant and a refrigerator oil, said refrigerator oil consisting essentially of a tetraester of pentaerythritol of formula (1) with both 2-ethylhexanoic acid and 3,5,5-trimethylhexanoic acid, said refrigerator oil exhibiting a pour point not higher than −10° C.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile