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:
Nov. 30, 1993
Filed:
Sep. 03, 1992
Applicant:
Inventors:
Takehiko Kakimoto, Gifu, JP;
Toshima Ogawa, Ogaki, JP;
Assignee:
Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
5483411 ;
Abstract
The invention provides a process for producing a 2-substituted-4-hydroxymethylimidazole easily and in good yield by means of simple equipment. This process comprises reacting hydroxymethylglyoxal, a monoaldehyde and ammonia in a sequence such that said monoaldehyde and ammonia are first reacted with each other and hydroxymethylglyoxal is then introduced into the reaction system for further reaction.