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:
Aug. 23, 1983
Filed:
Jun. 20, 1979
Applicant:
Inventors:
Assignee:
Daikin Kogyo Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
570144 ; 570145 ; 2604 / ; 568936 ;
Abstract
A process for preparing perfluoro(lower)alkylbenzenes and derivatives thereof which comprises contacting a lower alkylbenzene or the corresponding derivative with hydrogen fluoride in the presence of chlorine in the gaseous phase at an elevated temperature to give the corresponding perfluoro(lower)alkylbenzene or its derivative thereof.
Ohsaka, Yohnosuke. (1983). Process for preparing perfluoro(lower)alkylbenzenes and their derivatives (U.S. Patent No. 4400563). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4400563
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile