Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9796871 | Anti efflorescence composition | — | 2017-10-24 |
| 8298674 | Protecting agent for concrete, masonry surface, bricks, clay roofing, tiles, marble, granite, concrete slate, stucco, paving stones, unglazed ceramic, sandstone, limestone, wood and other objects against stains, dirt, water and oil penetration | — | 2012-10-30 |
| 7807588 | Composition and method for enhancing stain resistance and product of enhanced stain resistance therefrom | — | 2010-10-05 |
| 7648928 | Composition and method for enhancing stain resistance and product of enhanced stain resistance therefrom | — | 2010-01-19 |
| 7413631 | Opacifying composition for paper or paperboard, processes using same and paper or paperboard produced therefrom | Gaston Caron, Alexandre De Laryssa | 2008-08-19 |
| 7329367 | Enhancement of durable soil release and soil resist, stain resist water and oil repellency and the softness of fibrous substrates, the substrates so treated and the treating composition | — | 2008-02-12 |
| 7282113 | Method for enzymatic deinking of waste papers, the waste papers so treated and the treating composition | Alexandre De Laryssa | 2007-10-16 |
| 7279013 | Polyamide fiber substrate having stain resistance, composition and method | — | 2007-10-09 |
| 6814881 | Polyamide fiber substrate having stain resistance, composition and method | — | 2004-11-09 |
| 6488893 | Polyamide substrate having stain resistance, composition and method | Karim Elgarhy | 2002-12-03 |
| 6395655 | Polyamide fiber substrate having strain resistance, composition and method | — | 2002-05-28 |
| 6207594 | Polyamide substrate having stain resistance, composition and method | — | 2001-03-27 |
| 5821177 | Enhancement of stain resistance or acid dye fixation, improved light fastness and durability of fibrous poolyamide and wool substrates | — | 1998-10-13 |
| 5756407 | Stain resistant polyamide substrate treated with sulfonated phosphated resol resin | Barry R. Knowlton | 1998-05-26 |
| 5736468 | Stain resistant polyamide substrate treated with sulfonated phosphated resol resin | — | 1998-04-07 |
| 5681620 | Enhancement of stain resistance or acid dye fixation, improved light fastness and durability of fibrous polyamide and wool substrates | — | 1997-10-28 |
| 5660889 | Coating polyamide or polyester porous self-supporting sheet | — | 1997-08-26 |
| 5574088 | Increasing the resistance of fiber material to oxidizing agents | — | 1996-11-12 |
| 5549963 | Polyamide materials with durable stain resistance | Barry R. Knowlton | 1996-08-27 |
| 5457259 | Polyamide materials with durable stain resistance | Barry R. Knowlton | 1995-10-10 |
| 5073442 | Method of enhancing the soil- and stain-resistance characteristics of polyamide and wool fabrics, the fabrics so treated, and treating compositions | Barry R. Knowlton | 1991-12-17 |