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:
Aug. 03, 1982
Filed:
Jan. 26, 1978
Applicant:
Inventors:
Hiroyuki Itoh, Yokohama, JP;
Hirosuke Imai, Yokohama, JP;
Assignee:
Nippon Oil Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
252316 ; 252-3 ; 252-805 ; 252607 ; 252610 ;
Abstract
This invention provides novel aqueous gel compositions comprising as the essential components one or more surface active agents selected from the group consisting of anionic and nonionic surface active agents, a water-soluble salt of a conjugated diene-maleic acid derivative copolymer, calcium ion and water, and as needed, containing a chelating agent.