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:
Apr. 13, 2004
Filed:
Feb. 14, 2002
Applicant:
Inventors:
Andrew Paul Chapple, Merseyside, GB;
Antonius Henricus J. Strijbosch, Vlaardingen, NL;
Assignee:
Unilever Home & Personal Care USA, division of Conopco, Inc., Greenwich, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 3/395 ; C11D 3/00 ; C11D 7/18 ; C11D 7/54 ; C11D 1/700 ;
U.S. Cl.
CPC ...
C11D 3/395 ; C11D 3/00 ; C11D 7/18 ; C11D 7/54 ; C11D 1/700 ;
Abstract
The invention relates to an air bleaching catalyst that has been coated with a polymer that serves to promote the stability of the air bleaching catalyst. The invention also provides a method of coating the air bleaching catalyst.