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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.:

US 12018203 B1

PDFFull Text
Date of Patent:
Jun. 25, 2024

Filed:

Feb. 11, 2020

Heat transfer compositions

Applicant:

Mexichem Fluor S.a. DE C.v., San Luis Potosi, MX;

Inventor:

Robert Low, Runcorn, GB;

Assignee:

MEXICHEM FLUOR S.A. DE C.V., San Luis Potosi, MX;

Attorney:

Crowell & Moring LLP

Primary Examiner:

Matthew R Diaz

Int. Cl.
CPC ...
C09K 5/04 (2006.01); B01D 11/02 (2006.01); C09K 3/30 (2006.01); C10M 105/38 (2006.01); C11D 7/04 (2006.01); C11D 7/24 (2006.01); C11D 7/30 (2006.01); C11D 7/50 (2006.01); F25B 45/00 (2006.01); C10N 40/30 (2006.01);
U.S. Cl.
CPC ...
C09K 5/045 (2013.01); B01D 11/0288 (2013.01); C09K 3/30 (2013.01); C10M 105/38 (2013.01); C11D 7/04 (2013.01); C11D 7/241 (2013.01); C11D 7/30 (2013.01); C11D 7/5018 (2013.01); F25B 45/00 (2013.01); C09K 2205/106 (2013.01); C09K 2205/122 (2013.01); C09K 2205/126 (2013.01); C09K 2205/40 (2013.01); C10M 2207/2835 (2013.01); C10N 2040/30 (2013.01);
Abstract

According to the present invention, there is provided a composition comprising 1,1-difluoroethylene (R-1132a), difluoromethane (R-32), 2,3,3,3-tetrafluoropropene (R-1234yf) and carbo dioxide (CO, R-744). The invention also provides a composition R-1132a, R-32, R-1234yf and at least one compound selected from the group consisting of: pentafluoroethane (R-125), 1,1-difluoroethane (R-152a), 1,1,1,2-tetrafluoroethane (R-134a), trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)) and 1,1,1,2,3,3,3-heptafluoropropane (R-227ea); optionally, the composition comprises at least one further compound selected from the group consisting of trifluoroethylene (R-1123), propane (R-290), propylene (R-1270), isobutane (R-600a) and carbon dioxide (CO, R-744). The present invention also provides a composition comprising R-1132a, R-32 and R-1234yf.

Find Patent Forward Citations

Low, Robert. (2024). Heat transfer compositions (U.S. Patent No. 12018203). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12018203

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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