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:
Dec. 29, 1998
Filed:
Mar. 14, 1997
Peter Willem Appel, Rotterdam, NL;
Theodorus Johannes Arts, Maastricht, NL;
Jelles Vincent Boskamp, Vlaardingen, NL;
Andrew Paul Chapple, Wrexham, GB;
Fredericus Cornelis Dobbe, Oegstgeest, NL;
Christophe Michel Joyeux, Montluel, FR;
Carolyn Angela Lanceley, Chester, GB;
Edwin Leo Lempers, Maassluis, NL;
Theo Jan Osinga, Cadier en Keer, NL;
Lever Brothers Company, Division of Conopco, Inc., New York, NY (US);
Abstract
In order to enhance the stability of sodium percarbonate bleach in particulate detergent compositions, crystalline aluminosilicate and a water-soluble alkali metal silicate in an amount of from 1-20% by weight based on the aluminosilicate are included in the non-spray dried base powder. In order to obtain the stabilizing effect, the crystalline aluminosilicate comprises zeolite MAP or the alkali metal silicate is homogeneously dispersed with respect to the aluminosilicate.