Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8403044 | Sulfonated internal olefin surfactant for enhanced oil recovery | John C. Hutchison, Patrick Shane Wolfe, Ramakrishna Ravikiran | 2013-03-26 | $5,899,000 |
| 5451697 | Process for preparing isocyanates | William D. McGhee, Mark D. Paster, Dennis P. Riley, Kenneth Ruettimann, A. John Solodar | 1995-09-19 | $12,252,000 |
| 5298651 | Process for preparing isocyanates using phosphazine catalysts | William D. McGhee | 1994-03-29 | $14,613,000 |
| 5233010 | Process for preparing isocyanate and carbamate ester products | William D. McGhee, Michael K. Stern | 1993-08-03 | $4,826,000 |
| 5189205 | Process for preparing isocyanates | William D. McGhee | 1993-02-23 | $5,550,000 |