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:
Mar. 02, 1982
Filed:
Mar. 09, 1981
Applicant:
Inventors:
Shoichi Kanda, Yokosuka, JP;
Toshikazu Oda, Yokohama, JP;
Yasunosuke Tanabe, Tokyo, JP;
Takeshi Arai, Urawa, JP;
Assignees:
Nitto Kagaku Kogyo Kabushiki Kaisha, both of, JP;
Kawaguchi Kagaku Kogyo Kabushiki Kaisha, both of, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524 93 ;
Abstract
An aqueous acrylamide polymer solution is stabilized by causing it to contain in combination a 2-mercaptobenzimidazole compound and a phenolic antioxidant compound.