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. 05, 1998
Filed:
Sep. 26, 1996
Applicant:
Inventors:
Bastiaan Domburg, Vlaardingen, NL;
Anshu M Gupta, Vlaardingen, NL;
Hendrik de Ruijter, Vlaardingen, NL;
Antonius Henricus Strijbosch, Maassluis, NL;
Assignee:
Lever Brothers Company, Division of Conopco, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; B05D / ;
U.S. Cl.
CPC ...
510375 ; 510376 ; 25218625 ; 427212 ; 427213 ; 428403 ;
Abstract
An encapsulated bleach particle is provided, comprising (a) 1-30% by weight of a coating including a gelled polymer material (as herein defined); (b) 99-70% by weight of a core material selected from the group consisting of a peroxygen bleach compound, a bleach catalyst, and a bleach precursor. This particle was found to have both favourable storage stability and good solubility characteristics. Furthermore, a process for producing encapsulated particles having said composition is provided.