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:
Dec. 21, 1982
Filed:
Dec. 12, 1977
Applicant:
Inventors:
Assignee:
Daikin Kogyo Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
570145 ;
Abstract
A process for preparing benzotrifluoride or derivatives thereof by contacting benzotrichloride or the corresponding derivative with hydrogen fluoride in a gaseous phase in the absence of any catalyst, the contact being carried out in the presence of chlorine at an elevated temperature so as to accelerate the reaction rate.
Nakagawa, Tsuneo. (1982). Process for preparing benzotrifluoride and its derivatives (U.S. Patent No. 4365101). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4365101
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile