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:
Jan. 20, 2015
Filed:
Feb. 21, 2011
Applicants:
Makoto Kanou, Yokohama, JP;
Norifumi Hagiya, Yokohama, JP;
Inventors:
Makoto Kanou, Yokohama, JP;
Norifumi Hagiya, Yokohama, JP;
Assignee:
Mistubishi Rayon Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 209/90 (2006.01); C07C 47/02 (2006.01); C07C 231/22 (2006.01);
U.S. Cl.
CPC ...
C07C 231/22 (2013.01);
Abstract
The present invention provides a process for stabilizing an aqueous acrylamide solution. The present invention also provides a stable aqueous acrylamide solution containing acetaldehyde at a weight ratio relative to acrylamide of 1.5 mg/Kg to 4 mg/Kg.