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:
Apr. 13, 1982
Filed:
Feb. 12, 1981
Applicant:
Inventors:
Yoshiro Kobayashi, Tokyo, JP;
Itsumaro Kumadaki, Hachiohji, JP;
Masaaki Takahashi, Tokyo, JP;
Takashi Yamauchi, Iwaki, JP;
Assignee:
Kureha Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
570127 ; 570144 ;
Abstract
A process for producing mono, bis or tris(3,3,3-trifluoropropyl)benzene, which comprises bringing benzene into reaction with 3,3,3-trifluoropropylene in the presence of an acid catalyst selected from the group consisting of hydrogen fluoride, boron trifluoride and a mixture thereof, is disclosed.