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:
Jul. 12, 2011
Filed:
Sep. 07, 2010
Seijyuro Maiya, Tokyo, JP;
Osamu Nakagome, Tokyo, JP;
Hideyuki Suzuki, Kanagawa, JP;
Yasuhisa Kotani, Tokyo, JP;
Toshifumi Hatanaka, Nara, JP;
Toshihiro Wada, Chiba, JP;
Seijyuro Maiya, Tokyo, JP;
Osamu Nakagome, Tokyo, JP;
Hideyuki Suzuki, Kanagawa, JP;
Yasuhisa Kotani, Tokyo, JP;
Toshifumi Hatanaka, Nara, JP;
Toshihiro Wada, Chiba, JP;
Japan Petroleum Exploration Co., Ltd., Tokyo, JP;
Showa Tansan Co., Ltd., Tokyo, JP;
Toyota Tsusho Corporation, Aichi, JP;
Abstract
To provide a safe, nontoxic, and high-performance mixed refrigerant for hot water supply/heating system which is prepared by mixing dimethyl ether with carbon dioxide and which does not deplete the ozone layer, has a low global warming potential, and permits low-pressure operation. A refrigerant composition for hot water supply/heating comprising 1 to 10% by mole of dimethyl ether and 99 to 90% by mole of carbon dioxide on the basis of the total number of moles of dimethyl ether and carbon dioxide.