Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8021584 | Process for preparing polymeric fibers based on blends of at least two polymers | Arthur J. Roth, Brendan McSheehy | 2011-09-20 |
| 8017662 | Method of separation and cleaning of post consumer carpet face yarn from carpet backing and yarn product produced therefrom | George T. Hoover, JR., Milton K. Roark, Brendan McSheehy | 2011-09-13 |
| 7115224 | Process for making acid dye stain-resistant fibers | — | 2006-10-03 |
| 6861480 | Yarn-forming composition of polyamide and sulfonated acid dye disabler | — | 2005-03-01 |
| 6780941 | Process for preparing polymeric fibers based on blends of at least two polymers | Arthur J. Roth, Brendan McSheehy | 2004-08-24 |
| 6753385 | Fiber-forming polyamide and sulfonated acid for disabling acid dye sites | — | 2004-06-22 |
| 6680018 | Melt extrusion spinning polyamide fibers with sulfonated reagent and thermoplastic carrier | — | 2004-01-20 |
| 6635346 | Stain-resistant polyamide composition and fibers and method of production thereof | — | 2003-10-21 |
| 6589466 | Yarn by extruding polyamide fibers and sulfonated polyester concentrate | — | 2003-07-08 |
| 6537475 | Melt extrusion spinning polyamide fibers with sulfonated reagent | — | 2003-03-25 |
| 6495079 | Process to prepare polymeric fibers with improved color and appearance | Robert R. Gallucci, Milton K. Roark | 2002-12-17 |
| 6433107 | Fiber-forming polyamide with concentrate of polyamide and sulfonated aromatic acid | — | 2002-08-13 |
| 6420044 | Stain-resistant polyamide composition and fibers and method of production thereof | — | 2002-07-16 |
| 6334877 | Carpet fibers from polyamide and sulfonated polyester concentrate | — | 2002-01-01 |
| 6133382 | Fiber-forming polyamide composition containing polyamide and a sulfonated polyester concentrate | — | 2000-10-17 |
| 6117550 | Acid dye stain-resistant fiber-forming polyamide composition containing masterbatch concentrate containing reagent and carrier | — | 2000-09-12 |
| 6109015 | Process for making poly(trimethylene terephthalate) yarn | Milton K. Roark | 2000-08-29 |
| 5079307 | High molecular weight polyamide production from dicarboxy terminated polyamide prepolymer | Stephen Taylor, Murray Orpin | 1992-01-07 |
| 4925914 | Catalytic suspension/dispersion preparation of polyamides from polyamide forming salt | John G. Dolden, Gaynor P. Harris | 1990-05-15 |