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:
Apr. 17, 2007
Filed:
Mar. 27, 2002
Applicants:
Hiroyasu Banba, Kanagawa, JP;
Natsuko Morooka, Kanagawa, JP;
Inventors:
Hiroyasu Banba, Kanagawa, JP;
Natsuko Morooka, Kanagawa, JP;
Assignee:
Dia-Nitrix Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P 13/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a process for producing acrylamide with good storage stability and improved acrylamide polymer physical properties using a microbial catalyst. A microbial catalyst having catalytic activity to convert from acrylonitrile to acrylamide is washed with an aqueous acrylic acid solution, and then the washed microbial catalyst is used for the conversion reaction, so that the production of the above acrylamide is achieved.