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:
Sep. 07, 1976
Filed:
Aug. 14, 1974
Applicant:
Inventor:
Terence Frederick Child, Wirral, EN;
Assignee:
Lever Brothers Company, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
252140 ; 8137 ; 252135 ; 252160 ; 252550 ; 252558 ; 252532 ; 252533 ; 252D / ;
Abstract
Finely divided calcium carbonate used in a detergent composition containing sodium carbonate as a detergency builder, is treated before drying with a water-insoluble dispersing aid. This decreases the tendency of the calcium carbonate particles to aggregate and be deposited on fabrics during washing.