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:
Jul. 22, 2003
Filed:
Apr. 18, 2001
Applicant:
Inventors:
Martin Peter Astley, Wirral, GB;
William Derek Emery, Wirral, GB;
Assignee:
Unilever Home & Personal Care USA divison of Conopco, Inc., Greenwich, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 1/100 ;
U.S. Cl.
CPC ...
C11D 1/100 ;
Abstract
A granular detergent component comprising a high level of surfactant, for example, cationic surfactant, and an inorganic carrier material is prepared by a process involving spraying an aqueous solution of the surfactant onto moving granules of the inorganic carrier material in the presence of a drying gas, preferably air, at a temperature within the range of from 65 to 200° C. The process is preferably carried out in a fluidised bed. Preferred inorganic carrier materials are sodium carbonate and zeolite MAP.