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:
Jan. 13, 2004
Filed:
May. 24, 2001
Applicant:
Inventors:
Bernard Lucas Feringa, Groningen, NL;
Ronald Hage, Vlaardingen, NL;
Steven Howell, Bedford, GB;
Neil James Parry, Bedford, GB;
Johannes Gerardhus Roelfes, Zurich, CH;
Cornelis Theodorus Verrips, Vlaardingen, NL;
Assignee:
Unilever Home & Personal Care USA, division of Conopco, Inc., Greenwich, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/20 ; C11D 3/26 ; C11D 3/386 ; C11D 3/395 ;
U.S. Cl.
CPC ...
C11D 3/20 ; C11D 3/26 ; C11D 3/386 ; C11D 3/395 ;
Abstract
There is provided a targeted bleaching composition comprising an organic substance which forms a complex with a transition metal, the complex catalyzing bleaching of a substrate by a precursor selected from atmospheric oxygen and/or a peroxyl species. The complex is bound to a recognizing portion having a high binding affinity for stains present on fabrics.