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:
Feb. 22, 1977
Filed:
Feb. 25, 1974
Applicant:
Inventors:
Robin John Green, Birkenhead, EN;
Richard Shaw Johnson, Wirral, EN;
Assignee:
Lever Brothers Company, New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
252 95 ; 252102 ; 252103 ; 252174 ; 252186 ; 252544 ; 252546 ; 252550 ; 252555 ; 252558 ;
Abstract
The disclosure relates to the protection of solid precursors in powder detergent compositions using a hydrogen peroxide bleach system. The finely divided precursor is formed, with a carrier material, into a composite particle which is then coated. The coated particle gives good dispersion of the precursor in the wash liquor.