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:
Nov. 23, 1993
Filed:
May. 20, 1992
Applicant:
Inventors:
Shinsuke Morikawa, Yokohama, JP;
Shunichi Samejima, Tokyo, JP;
Hidekazu Okamoto, Yokohama, JP;
Keiichi Ohnishi, Yokohama, JP;
Shin Tatematsu, Tokyo, JP;
Toshihiro Tanuma, Yokohama, JP;
Takashi Ohmori, Tokyo, JP;
Assignee:
Asahi Glass Company Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
570168 ; 570166 ; 570169 ; 570167 ;
Abstract
A process for producing a 2,2-difluoropropane of the following formula (2), which comprises fluorinating a chlorine-containing 2,2-halogenopropane of the following formula (1) by hydrogen fluoride or a fluorinating agent: