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. 28, 1995
Filed:
Oct. 18, 1993
Applicant:
Inventors:
Takehide Tsuda, Osaka, JP;
Nobuyoshi Iwashita, Osaka, JP;
Satoshi Komatsu, Osaka, JP;
Satoshi Koyama, Osaka, JP;
Assignee:
Daikin Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C07C / ; C11D / ;
U.S. Cl.
CPC ...
252172 ; 203 50 ; 203 67 ; 252162 ; 252D / ; 570164 ; 570177 ; 570178 ;
Abstract
Hydrogen fluoride and 1,1,1-trifluoro-2-chloroethane forms an azeotropic mixture of which molar ratio of HF/1,1,1-trifluoro-2-chloroethane varies, for example, from about 60/40 at a pressure of 1.5 Kg/cm.sup.2 G and a temperature of 20.degree. C. to about 45/55 at a pressure of 15 Kg/cm.sup.2 G and a temperature of 87.degree.C.
Tsuda, Takehide. (1995). Azeotropic mixture of hydrogen fluoride and (U.S. Patent No. 5401430). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5401430
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile