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:
Sep. 07, 2010
Filed:
Jun. 12, 2006
Haruhiko Ikeda, Kawasaki, JP;
Hideo Miyata, Kawasaki, JP;
Katsutoshi Ohno, Kawasaki, JP;
Katsuro Urakawa, Kawasaki, JP;
Haruhiko Ikeda, Kawasaki, JP;
Hideo Miyata, Kawasaki, JP;
Katsutoshi Ohno, Kawasaki, JP;
Katsuro Urakawa, Kawasaki, JP;
Showa Denko K.K., Tokyo, JP;
Abstract
A process for preparing tetrafluorobenzene carbaldehyde alkyl acetal represented by the following formula (II), comprising reducing tetrafluorocyanobenzene represented by the following formula (I) with a metal catalyst containing a platinum group metal in the presence of an alkyl alcohol represented by R—OH (R is an alkyl group of 1 to 4 carbon atoms) and an acid; (I) wherein m is 1 or 2, n is 0 or 1, and m+n is 2, (II) wherein m and n are the same as those in the formula (I), and R is an alkyl group of 1 to 4 carbon atoms.