|
| US4518649 | 11 May 1984 | 21 May 1985 | Chicopee | Soil releasing textiles containing fluorochemical soil release agents and method for producing same |
| US5171611 | 23 Oct 1989 | 15 Dic 1992 | Ravensworth Limited | Method of surface treatment surface treatment of void containing substrate |
| US6159548 | 24 Nov 1999 | 12 Dic 2000 | | After-treatment method for oil-and water-repellency of fibrous substrates |
| US6165545 | 12 Ago 1999 | 26 Dic 2000 | Ricard J. Moody | After-treatment method for imparting oil-and water-repellency to fabric |
| US6949271 | 7 Mar 2003 | 27 Sep 2005 | Petroferm, Inc. | Dust repellant compositions |
