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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.:

US 4818424 B1

PDFFull Text
Date of Patent:
Apr. 04, 1989

Filed:

Apr. 29, 1988

Spray drying of a detergent containing a porus crystal-growth-modified

Applicant:
Inventors:

Elfed H Evans, Clwyd, GB;

Peter C Knight, South Wirral, GB;

Assignee:

Lever Brothers Company, New York, NY (US);

Attorneys:

Honig; Milton L.

Farrell; James J.

Primary Examiner:

Dennis Albrecht

Int. Cl.
CPC ...
B01D / ; C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252 91 ; 159-404 ; 159-406 ; 159-408 ; 159 481 ; 252 891 ; 252135 ; 252174 ; 25217413 ; 25217414 ; 25217419 ; 25217421 ; 25217424 ; 252D / ; 427220 ;
Abstract

Granular spray-dried detergent compositions including a liquid component unsuitable for spray-drying are prepared by co-spray-drying a slurry of a porous crystal-growth-modified carbonate-based carrier salt and a detergent slurry containing detergent-active compounds, builders and other suitable ingredients, and then treating the resulting composite powder with the liquid component. The porous carrier salt is preferably the sodium carbonate/sodium sulphate double salt Burkeite, crystal-growth-modified by means of a polymeric polycarboxylate.

Find Patent Forward Citations

Evans, Elfed. (1989). Spray drying of a detergent containing a porus crystal-growth-modified (U.S. Patent No. 4818424). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4818424

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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