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. 09, 2024
Filed:
Apr. 18, 2019
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 ...
F25B 41/00 (2021.01); C09K 5/04 (2006.01);
U.S. Cl.
CPC ...
C09K 5/045 (2013.01); C09K 2205/122 (2013.01); C09K 2205/126 (2013.01); C09K 2205/22 (2013.01); C09K 2205/40 (2013.01);
Abstract
The present invention provides a refrigerant-containing composition by using a refrigerant that has a refrigerating capacity equivalent to that of widely used R404A, and a low GWP. Specifically, the present invention provides a composition that contains a refrigerant containing difluoromethane (R32), pentafluoroethane (R125), 1,1,1-trifluoroethane (R143a), 2,3,3,3-tetrafluropropene (R1234yf), and 1,1,1,2-tetrafluoroethane (R134a) in specific concentrations.