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. 10, 1977
Filed:
May. 28, 1975
Applicant:
Inventor:
Michael Curtis, Heswall, EN;
Assignee:
Lever Brothers Company, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252 / ; 252131 ; 252135 ; 252140 ; 252529 ; 252539 ; 252550 ;
Abstract
Particulate detergent compositions which comprise a detergent compound, an alkali metal carbonate detergency builder and finely divided calcium carbonate having a surface area of at least about 5 m.sup.2 /g, are made with improved properties, by using a process in which the calcium carbonate is dispersed in water to which at least some of the detergent compound is added, after which the alkali metal carbonate is added to form a detergent slurry which is then spray-dried to form the detergent composition.