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. 13, 1983
Filed:
Jul. 26, 1982
Applicant:
Inventors:
Isao Yokomichi, Moriyama, JP;
Takahiro Haga, Kusatsu, JP;
Rikuo Nasu, Kyoto, JP;
Kuniaki Nagatani, Kusatsu, JP;
Toshio Nakajima, Kusatsu, JP;
Assignee:
Ishihara Sangyo Kaisha Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
546345 ;
Abstract
5,6-Dichloro-.beta.-trifluoromethylpyridine or 2,5,6-trichloro-.beta.-trifluoromethylpyridine is produced by reacting 6-chloro-.beta.-trifluoromethylpyridine or 2,6-dichloro-.beta.-trifluoromethylpyridine with chlorine gas to chlorinate the 5-position of pyridine nucleus thereof: