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.
Type:
Grant
Filed:
February 14, 2002
Date of Patent:
April 13, 2004
Assignee:
Unilever Home & Personal Care USA, division of Conopco,
Inc.
Inventors:
Andrew Paul Chapple, Antonius Henricus J. Strijbosch