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:
May. 09, 1978
Filed:
Oct. 18, 1976
Applicant:
Inventor:
Gar L Woo, Tiburon, CA (US);
Assignee:
Chevron Research Company, San Francisco, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; B08B / ;
U.S. Cl.
CPC ...
2605 / ; 252121 ; 252558 ; 8137 ;
Abstract
Detergent active materials capable of heavy duty washing in the absence of phosphates comprising linear alkyl hydrocarbyloxybenzene disulfonates of the formula ##STR1## in which R is linear alkyl of 10 to 24 carbon atoms, X is H or a water-soluble salt-forming cation, Z is H, or an alkyl group of 1 to 6 carbon atoms and Y is H, alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms, or aralkyl of 7 to 9 carbon atoms, Y and Z may be polymethylene chain of 2 to 7 carbon atoms, the sum of the aliphatic carbon atoms in R and --CH--YZ is from 17 to 25, and for this purpose an aromatic carbon atom is considered equal to 2/3 aliphatic carbon atom.