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. 04, 1987
Filed:
Sep. 13, 1985
Applicant:
Inventors:
Osamu Kaieda, Osaka, JP;
Masaru Awashima, Suita, JP;
Isao Okitaka, Osaka, JP;
Toshiaki Nakamura, Osaka, JP;
Assignee:
Nippon Shokubai KK Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
546345 ; 546286 ; 546287 ; 546289 ; 546304 ; 546307 ; 558419 ; 558423 ; 558425 ; 568933 ; 568937 ; 568938 ; 570147 ;
Abstract
Organic fluorine compounds such as pentafluorobenzonitrile, tetrafluorophthalonitriles, and pentafluoropyridine are produced by a method which comprises causing a chloro- or bromo-organic compound to react with a fluorinating agent such as an alkali metal fluoride in benzonitrile as a solvent at temperatures in the range of 190.degree. to 400.degree. C. under at least spontaneously generated pressure.