Issued Patents All Time
Showing 1–25 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7666971 | Amide/urea-modified liquid diphenylmethane diisocyanates | Rick L. Adkins | 2010-02-23 |
| 7632911 | Liquid modified diphenylmethane diisocyanates | Rick L. Adkins, Hersel T. Kemp, II, Lewis S. Newman | 2009-12-15 |
| 7553963 | Liquid partially trimerized and allophanized polyisocyanates based on toluene diisocyanate and diphenylmethane diisocyanate | Hersel T. Kemp, II | 2009-06-30 |
| 7378543 | Stable liquid biuret modified and biuret allophanate modified toluene diisocyanates, prepolymers thereof, and processes for their preparation | Rick L. Adkins, Hersel T. Kemp, II | 2008-05-27 |
| 6991746 | Polymeric allophanates of diphenylmethane diisocyanate, perpolymers of these polymeric allophanates, and processes for the preparation of the polymeric allophanates and the prepolymers thereof | Hersel T. Kemp, II, William E. Miller | 2006-01-31 |
| 6887399 | Polymeric allophanates of diphenylmethane diisocyanate, prepolymers of these polymeric allophanates, and processes for the preparation of the polymeric allophanates and the prepolymers thereof | Hersel T. Kemp, II, William E. Miller | 2005-05-03 |
| 6838542 | Stable liquid biuret modified and biuret allophanate modified diphenylmethane diisocyanates, prepolymers thereof, and processes for their preparation | Rick L. Adkins, Hersel T. Kemp, II | 2005-01-04 |
| 6797799 | High 2,4′-diphenylmethane diisocyanate content prepolymers | Edward P. Squiller, P. Richard Hergenrother | 2004-09-28 |
| 6765080 | High performance RIM elastomers and a process for their production | Michael Super, David D. Steppan, Bruce H. Potts, Michael Hurley | 2004-07-20 |
| 6639040 | Continuous process for the production of MDI allophanates | Hersel T. Kemp, II, William E. Miller | 2003-10-28 |
| 6586487 | Low-density, water blown polyurethane foams for energy-absorbing applications | Neil H. Nodelman, David D. Steppan, Alan D. Bushmire | 2003-07-01 |
| 6583314 | Stable isocyanate formulations | Rick L. Adkins, Edward P. Squiller | 2003-06-24 |
| 6515125 | Liquid partially trimerized polyisocyanates based on toluene diisocyanate and diphenylmethane diisocyanate | Hersel T. Kemp, II, Kenneth P. Yonek | 2003-02-04 |
| 6482913 | Liquid MDI adducts wtih improved freeze stability | Peter H. Markusch, Richard S. Pantone, Ralf Guether | 2002-11-19 |
| 6433218 | Stable isocyanate formulations | Rick L. Adkins, Edward P. Squiller | 2002-08-13 |
| 6320012 | Isocyanate formulations containing activated chain extenders | Rick L. Adkins, Edward P. Squiller | 2001-11-20 |
| 6271279 | High resilient flexible urethane foam and flexible molded foams based on allophanate modified isocyanates | Neil H. Nodelman, Karl W. Haider | 2001-08-07 |
| 6242556 | Liquid MDI adducts with improved freeze stability | Peter H. Markusch, Richard S. Pantone, Ralf Guether | 2001-06-05 |
| 6127308 | Trimer catalyst system for aliphatic and aromatic isocyanates | Hersel T. Kemp, II | 2000-10-03 |
| 6063891 | Freeze stable allophanate-modified toluene diisocyanate trimers | Hersel T. Kemp, II | 2000-05-16 |
| 6028158 | Freeze-stable allophanate-modified toluene diisocyanate trimers | Hersel T. Kemp, II | 2000-02-22 |
| 5955609 | Trimer catalyst system for aliphatic and aromatic isocyanates | Hersel T. Kemp, II | 1999-09-21 |
| 5905151 | Trimer catalyst for aliphatic and aromatic isocyanates | Hersel T. Kemp, II | 1999-05-18 |
| 5889068 | Water blown polyurethane soling systems | Edmund J. Madaj | 1999-03-30 |
| 5874623 | Process for the production of polyether aminoalcohols | Rick L. Adkins | 1999-02-23 |