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. 29, 1989
Filed:
May. 24, 1988
Applicant:
Inventors:
Michael W Hollingsworth, Bebington, GB;
Peter J Russell, Eastham, GB;
Assignee:
Lever Brothers Company, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252135 ; 25217419 ; 25217424 ; 25217425 ; 252558 ; 252559 ;
Abstract
Low or zero-phosphate spray-dried detergent powders containing less than 10% sodium silicate are structured with a combination of a succinic acid salt and a film-forming polymeric polycarboxylate. The preferred detergency builder is alkali metal aluminosilicate.