Composition and method for bleaching a substrate Grant US-6653271-B2 United States of America 25 Nov 2003
Composition and method for bleaching a substrate Grant US-6610641-B2 United States of America 26 Aug 2003
Method of pretreating and bleaching stained fabrics Grant US-6451752-B1 United States of America 17 Sep 2002
Ligand and complex for catalytically bleaching a substrate Grant US-6432900-B1 United States of America 13 Aug 2002