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. 20, 2019
Filed:
Jan. 15, 2015
Shrieve Chemical Products, Inc., The Woodlands, TX (US);
Elizabeth Dixon, Hampshire, GB;
SHRIEVE CHEMICAL PRODUCTS, INC., The Woodlands, TX (US);
Abstract
A working fluid for use in a compression refrigeration, air conditioning or heat pump system, is described, which has a refrigerant composed of a fluoro-olefin, and a lubricant which is a mixture of polyol ester and a polyoxyalkylene glycol, and the polyol ester is present in an amount of at least 50% by weight based on the total weight of the polyol ester and the polyoxyalkylene glycol. A lubricant, being a mixture of a polyol ester and a polyoxyalkylene glycol, is described and comprises at least 10% by weight of polyoxyalkylene glycol based on the total weight of the polyol ester and the polyoxyalkylene glycol.