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:
Oct. 04, 1994
Filed:
Apr. 09, 1993
Applicant:
Inventor:
Kazuo Takemasa, Ota, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
62114 ; 252 67 ;
Abstract
A refrigerant composition capable of attaining a temperature as low as -80.degree. C., without using regulated refrigerants having a high potential of destroying the ozonosphere and capable of being used as a substituent refrigerant for R503 in view of refrigerating or other performance is provided. A refrigerant composition comprises an azeotropic mixture of trifluoromethane and hexafluoromethane.
Takemasa, Kazuo. (1994). Refrigerant composition and binary refrigeration system using it (U.S. Patent No. 5351499). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5351499
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