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:
Apr. 07, 2015
Filed:
Mar. 15, 2013
Applicant:
National Refrigerants, Inc., Philadelphia, PA (US);
Inventor:
Robert Yost, Wilmington, DE (US);
Assignee:
National Refrigerants, Inc., Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 5/04 (2006.01);
U.S. Cl.
CPC ...
C09K 5/045 (2013.01); C09K 2205/12 (2013.01); C09K 2205/43 (2013.01);
Abstract
Refrigerant compositions are disclosed which includes (a) 57-59 total wt % pentafluoroethane (R125); (b) 38-41 total wt % 1,1,1,2-tetrafluoroethane (R134a); and (c) 2.5-2.9 total wt % isobutane. More preferably, the invention is a refrigerant formulation containing a nominal composition consisting of 58.0% R125, 39.3% R134a and 2.7% R600a, subject only to the normal variations in concentrations experienced with charging and mixing refrigerants.
Yost, Robert. (2015). R22 replacement refrigerant (U.S. Patent No. 8999191). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8999191
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile