Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11352479 | Rigid polyurethane foam containing reactive flame retardant | Andrew Piotrowski, Joseph Zilberman, Mark Gelmont, Mayank Singh, Zhihao Chen +1 more | 2022-06-07 |
| 10899911 | Reactive flame retardants for flexible polyurethane foams | Andrew Piotrowski, Joseph Zilberman, Mark Gelmont, Mayank Singh, Zhihao Chen +1 more | 2021-01-26 |
| 10730995 | Reactive flame retardants for polyurethane and polyisocyanurate foams | Joseph Zilberman, Andrew Piotrowski, Eran Gluz, Mark Gelmont, Zhihao Chen +1 more | 2020-08-04 |
| 10723833 | Reactive flame retardants for polyurethane and polyisocyanurate foams | Joseph Zilberman, Andrew Piotrowski, Eran Gluz, Mark Gelmont, Zhihao Chen +1 more | 2020-07-28 |
| 10597511 | Reactive flame retardant blends for flexible polyurethane foam | Zhihao Chen, Munjal Angur Patel | 2020-03-24 |
| 10208187 | Reactive flame retardants for flexible polyurethane foams | Andrew Piotrowski, Joseph Zilberman, Mark Gelmont, Mayank Singh, Zhihao Chen +1 more | 2019-02-19 |
| 10144872 | Flame retardant additive composition comprising cyclic phosphonate blend and bis-phosphate ester, and polyurethane foam containing the same | Andrew Piotrowski, Mike Nagridge, Greg Symes | 2018-12-04 |
| 9657151 | Method of making hydroxymethylphosphonate, polyurethane foam-forming compositions, polyurethane foam and articles made therefrom | Gerardo Francisco, Edward D. Weil | 2017-05-23 |
| 9593220 | Method of making hydroxymethylphosphonate, polyurethane foam-forming compositions, polyurethane foam and articles made therefrom | Gerardo Francisco, Edward D. Weil | 2017-03-14 |
| 9441001 | Method of making hydroxymethylphosphonate, polyurethane foam-forming compositions, polyurethane foam and articles made therefrom | Gerardo Francisco, Edward D. Weil | 2016-09-13 |
| 9187504 | Method of making hydroxymethylphosphonate | Ronald L. Pirrelli, Ryan Yanosy | 2015-11-17 |
| 9169278 | Method of making hydroxymethylphosphonate, polyurethane foam-forming compositions, polyurethane foam and articles made therefrom | Ronald L. Pirrelli, Ryan Yanosy | 2015-10-27 |
| 8198341 | Method of making hydroxymethylphosphonate, polyurethane foam-forming compositions, polyurethane foam and articles made therefrom | Ronald L. Pirrelll, Ryan Yanosy | 2012-06-12 |
| 6365070 | Formaldehyde-free flame retardant treatment for cellulose-containing materials | Edward D. Weil, William L. Coble, Charles Yang | 2002-04-02 |
| 6309565 | Formaldehyde-free flame retardant treatment for cellulose-containing materials | Edward D. Weil, William L. Coble, Charles Yang | 2001-10-30 |
| 6107507 | Formation of oligomeric organophosphorus compositions with improved color | — | 2000-08-22 |