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. 08, 1977
Filed:
Dec. 20, 1974
Applicant:
Inventor:
Ralph House, El Sobrante, CA (US);
Assignee:
Chevron Research Company, San Francisco, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ; 252 / ; 252132 ; 252135 ; 252182 ; 252539 ; 252D / ; 2604 / ;
Abstract
Carboxymethyloxysuccinate derivatives are new compounds whose water-soluble salts are effective sequestering agents (builders), especially in heavy-duty laundering compositions. The salts may be used in combination with anionic, nonionic, ampholytic and zwitterionic detergents. A process for the preparation of the acids and salts is provided.