Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398891 | Recyclable carpet | Otto M. Ilg, Robert N. Armstrong | 2002-06-04 |
| 5977193 | Reclaiming epsilon-caprolactam from nylon 6 carpet | Alan C. Handermann, Richard Kotek, William D. Porter, Jack A. Dellinger, Edward A. Davis | 1999-11-02 |
| 5464677 | Process for manufacturing substantially 100% nylon 6 carpet | Otto M. Ilg, Robert N. Armstrong | 1995-11-07 |
| 5382474 | Method for producing polyethylene terephthalate fibers with reduced flammability | Atish Adhya, Robert L. Lilly | 1995-01-17 |
| 5370757 | Process for manufacturing substantially 100% nylon 6 carpet | Otto M. Ilg, Robert N. Armstrong | 1994-12-06 |
| 5322883 | Thermoplastic polyester with reduced flammability | Atish Adyha, Robert L. Lilly | 1994-06-21 |
| 5169870 | Reclaiming .epsilon.-caprolactam from nylon 6 carpet | Edward A. Davis, Jack A. Dellinger | 1992-12-08 |