Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7632911 | Liquid modified diphenylmethane diisocyanates | Rick L. Adkins, William E. Slack, Lewis S. Newman | 2009-12-15 |
| 7553963 | Liquid partially trimerized and allophanized polyisocyanates based on toluene diisocyanate and diphenylmethane diisocyanate | William E. Slack | 2009-06-30 |
| 7378543 | Stable liquid biuret modified and biuret allophanate modified toluene diisocyanates, prepolymers thereof, and processes for their preparation | William E. Slack, Rick L. Adkins | 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 | William E. Slack, 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 | William E. Slack, William E. Miller | 2005-05-03 |
| 6838542 | Stable liquid biuret modified and biuret allophanate modified diphenylmethane diisocyanates, prepolymers thereof, and processes for their preparation | William E. Slack, Rick L. Adkins | 2005-01-04 |
| 6639040 | Continuous process for the production of MDI allophanates | William E. Slack, William E. Miller | 2003-10-28 |
| 6515125 | Liquid partially trimerized polyisocyanates based on toluene diisocyanate and diphenylmethane diisocyanate | William E. Slack, Kenneth P. Yonek | 2003-02-04 |
| 6127308 | Trimer catalyst system for aliphatic and aromatic isocyanates | William E. Slack | 2000-10-03 |
| 6063891 | Freeze stable allophanate-modified toluene diisocyanate trimers | William E. Slack | 2000-05-16 |
| 6028158 | Freeze-stable allophanate-modified toluene diisocyanate trimers | William E. Slack | 2000-02-22 |
| 5955609 | Trimer catalyst system for aliphatic and aromatic isocyanates | William E. Slack | 1999-09-21 |
| 5905151 | Trimer catalyst for aliphatic and aromatic isocyanates | William E. Slack | 1999-05-18 |
| 5686042 | Rim process using liquid methylene diphenyl diisocyanate | William E. Slack, David D. Steppan | 1997-11-11 |
| 5319053 | Liquid diphenylmethane diisocyanate | William E. Slack | 1994-06-07 |
| 5319054 | Liquid methylene diphenyl diisocyanate | William E. Slack | 1994-06-07 |