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. 25, 1987
Filed:
Jul. 17, 1985
Osamu Kaieda, Osaka, JP;
Koichi Hirota, Suita, JP;
Hideki Itoh, Kyoto, JP;
Masaru Awashima, Suita, JP;
Toshiaki Nakamura, Osaka, JP;
Abstract
A method for the production of a fluorinated quinone, which comprises causing a chlorinated aromatic compound represented by the general formula I: ##STR1## wherein A denotes O, ##STR2## (where m denotes an integer of the value of 1 to 4 and l denotes an integer of the value of 0 to 3), X denotes Cl, F, or H, n denotes an integer of the value of 0 to 4, k denotes an integer of the value of 0 to 3, and p denotes 0 to 1, providing that p is 1 and n is not zero where A is O, to react in benzonitrile as a medium at a temperature in the range of 190.degree. to 400.degree. C. with at least one fluorinating agent selected from the group consisting of alkali metal fluorides and alkaline earth metal fluorides under spontaneously generating pressure.