Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414111 | Method for separating sterols from tall oil | Andrew M. Robbins, David H. Sullivan | 2002-07-02 |
| 6107456 | Method for separating sterols from tall oil | Andrew M. Robbins, David H. Sullivan | 2000-08-22 |
| 5286845 | Acidification of tall oil soap using carbon dioxide | James W. Gillis, Andrew M. Robbins | 1994-02-15 |
| 5283319 | Process and control strategy for the recovery and use of excess carbon dioxide discharge from a high pressure carbon dioxide acidulation process | Richard Grotyohann, Andrew M. Robbins | 1994-02-01 |
| 5164480 | Method for the manufacture of tall oils | Roger W. Daniels, Marilyn J. Niksa, Richard J. Coin, Joseph Elliott | 1992-11-17 |
| 4446070 | Catalytic oxidation of polynuclear aromatic hydrocarbons | Cheng Yih Jenq | 1984-05-01 |
| 4437973 | Coal hydrogenation process with direct coal feed and improved residuum conversion | Paul H. Kydd | 1984-03-20 |
| 4433184 | Multi-stage catalytic conversion of aldoses to alditols | James C. Chao, Rajni C. Shah | 1984-02-21 |
| 4431850 | Low temperature hydrodealkylation of alkylated phenols | Cheng Yih Jenq | 1984-02-14 |
| 4424109 | Catalyst for coal liquefaction process | Chia-Chen Kang | 1984-01-03 |
| 4421568 | Process for making L-sugars and D-fructose | — | 1983-12-20 |
| 4420644 | Lignin hydrocracking process to produce phenol and benzene | Hugh J. Parkhurst, Jr. | 1983-12-13 |
| 4409416 | Lignin cracking process using fast fluidized bed reactions | George J. Snell | 1983-10-11 |
| 4404084 | Coal hydrogenation and deashing in ebullated bed catalytic reactor | Edwin S. Johanson | 1983-09-13 |
| 4371616 | Process for producing L-sugars | — | 1983-02-01 |
| 4366332 | Catalytic hydrogenolysis of alditols to product glycerol and polyols | James C. Chao | 1982-12-28 |
| 4322569 | Catalytic hydrogenation of glucose to produce sorbitol | James C. Chao | 1982-03-30 |