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:
Oct. 23, 1990
Filed:
Oct. 17, 1989
Applicant:
Inventors:
Michael J Heybourne, Hertfordshire, GB;
Peter C Knight, South Wirral, GB;
Antonio Malguzzin, Milan, IT;
Daniele Miotti, Piacenza, IT;
Andrew W Travill, deceased, late of Wirral, GB;
Assignee:
Lever Brothers Company, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ; C22D / ;
U.S. Cl.
CPC ...
25217425 ; 252131 ; 252135 ; 252140 ; 25217421 ; 252530 ; 252549 ; 2331 / ;
Abstract
A process for producing aluminosilicate-built spray-dried detergent powders containing silicate comprises spraying a detergent slurry containing aluminosilicate into a spray-drying tower and simultaneously spraying in an aqueous solution of sodium silicate The resulting powders contain characteristic composite granules.