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:
Mar. 29, 2022
Filed:
Dec. 07, 2018
Applicant:
Daikin Industries, Ltd., Osaka, JP;
Inventors:
Mitsushi Itano, Osaka, JP;
Hitomi Kuroki, Osaka, JP;
Shun Ohkubo, Osaka, JP;
Tatsumi Tsuchiya, Osaka, JP;
Kenji Gobou, Osaka, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 5/04 (2006.01); C10M 171/00 (2006.01); F25B 9/00 (2006.01); C10N 20/00 (2006.01); C10N 40/30 (2006.01);
U.S. Cl.
CPC ...
C09K 5/045 (2013.01); C10M 171/008 (2013.01); F25B 9/006 (2013.01); C09K 2205/128 (2013.01); C09K 2205/22 (2013.01); C09K 2205/40 (2013.01); C10N 2020/101 (2020.05); C10N 2040/30 (2013.01);
Abstract
Provided is a composition containing a refrigerant that has a refrigerating capacity equivalent to that of widely used R404A, and a low GWP. The composition contains a refrigerant that contains difluoromethane (R32), pentafluoroethane (R125), 1,1,1-trifluoroethane (R143a), and 1,1,1,2-tetrafluoroethane (R134a) in specific concentrations.