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. 10, 2015
Filed:
May. 29, 2012
Makoto Kanou, Yokohama, JP;
Kiyonobu Niwa, Yokohama, JP;
Makoto Kanou, Yokohama, JP;
Kiyonobu Niwa, Yokohama, JP;
Mitsubishi Rayon co., Ltd., Tokyo, JP;
Abstract
The present invention relates to a method for producing acrylamide comprising: supplying a raw material water to a reactor, supplying acrylonitrile to the reactor, and hydrating acrylonitrile using a biocatalyst, wherein a temperature of the raw material water in the supplying step of the raw material water to the reactor is equal to or more than freezing point of the raw material water and lower than the reaction temperature by 5° C. or more. The present invention can be provided to the method of producing acrylamide which can be removed the reaction heat produced at the hydration reaction of acrylonitrile effectively with a low cost.