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:
Oct. 15, 2002
Filed:
Sep. 17, 2001
Yukihiro Yoneda, Himeji, JP;
Tokumasa Ishida, Himeji, JP;
Hajime Matsumoto, Himeji, JP;
Hidekazu Mizohara, Himeji, JP;
Nippon Shokubai Co., Ltd., Osaka, JP;
Abstract
In a production process for a hydroxyalkyl ester, comprising the step of carrying out a reaction between a carboxylic acid and an alkylene in the presence of a catalyst, the present invention is to provide: a production process which can stop the reaction economically and sufficiently safely. In a production process which comprises the step of carrying out the reaction between a carboxylic acid and an alkylene in a reactor in the presence of a catalyst so as to produce a hydroxyalkyl ester, the reaction is stopped by introducing a reaction terminating liquid into the reactor , wherein the reaction terminating liquid comprises water in a ratio of not less than 50 weight %, and has a low temperature of −5 to 45° C.