|
| US6024770 | 29 Mar 1996 | 15 Feb 2000 | N.V. Denderland-Martin | Process to improve resistance to stains on yarns and derived products |
| US6507980 | 21 Aug 2001 | 21 Jan 2003 | ABUS August Bremicker Sohne KG | Holder |
| US7276085 | 8 Dec 2004 | 2 Oct 2007 | Shaw Industries Group, Inc. | Methods of treating and cleaning fibers, carpet yarns and carpets |
| US7488351 | 21 Aug 2007 | 10 Feb 2009 | Columbia Insurance Company | Methods of treating and cleaning fibers, carpet yarns and carpets |
| US7785374 | 24 Jan 2005 | 31 Aug 2010 | Columbia Insurance Co. | Methods and compositions for imparting stain resistance to nylon materials |
