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. 14, 2002
Filed:
Sep. 04, 2001
Applicant:
Inventors:
Menno Hazenkamp, Basel, CH;
Frank Bachmann, Freiburg, DE;
Cornelia Makowka, Laufenburg, DE;
Marie-Josée Dubs, Wittersdorf, FR;
Grit Richter, Neuenburg, DE;
Gunther Schlingloff, Riehen, CH;
Josef Dannacher, Basel, CH;
Peter Weingartner, Diegten, CH;
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 7/32 ; C11D 7/38 ; C11D 7/54 ;
U.S. Cl.
CPC ...
C11D 7/32 ; C11D 7/38 ; C11D 7/54 ;
Abstract
The inventions is drawn to mixtures of manganese complexes and organic ligands which significantly improve the bleaching effect of hydrogen peroxide in washing liquours and prevent the reabsorption of migrating dyes in peroxide-containing washing liquors.