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:
Mar. 07, 2000
Filed:
Sep. 04, 1998
Applicant:
Inventors:
Van Au, New City, NY (US);
Stephen Alan Madison, New City, NY (US);
Peter Di Giacomo, Heswall Wirral, GB;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
510372 ; 510376 ; 510309 ; 510312 ; 510503 ;
Abstract
A bleaching composition comprising a peroxygen bleaching compound and preferably a bleach activator. When nitrone scavengers are used in such composition, dye and/or fabric damage caused by radical generations of the peroxygen bleach (e.g., through thermal or transmit ion metal catalyzed degradation) can be minimized.