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:
Jul. 24, 2007
Filed:
Jul. 22, 2004
Shinichi Konishi, Yokohama, JP;
Shingo Nakayama, Yokkaichi, JP;
Yukihiro Isogai, Nagoya, JP;
Tokuyuki Yoshimoto, Yokkaichi, JP;
Shinichi Konishi, Yokohama, JP;
Shingo Nakayama, Yokkaichi, JP;
Yukihiro Isogai, Nagoya, JP;
Tokuyuki Yoshimoto, Yokkaichi, JP;
Kyowa Hakko Chemical Co., Ltd., Tokyo, JP;
Abstract
The present invention provides a process for producing an α,α-bis(hydroxymethyl)alkanal represented by Formula (II): (wherein R represents an alkyl group, a cycloalkyl group, or an aryl group) which comprises reacting an aldehyde represented by Formula (I):R—CH—CHO   (I)(wherein R has the same meaning as defined above) with formaldehyde in the presence of a basic catalyst and a phase-transfer catalyst.