Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6245956 | Method for separating sulfone from a hydrocarbon stream having a small concentration of sulfone | Keith W. Hovis, Robert B. Eldridge | 2001-06-12 |
| 5750798 | Method for making ether from a paraffin feedstock | Mark D. Scharre, Warren M. Ewert | 1998-05-12 |
| 5689015 | Method for the production of ether and alkylate from a paraffin feedstock | Mark D. Scharre, Warren M. Ewert | 1997-11-18 |
| 5416176 | Method for controlling the feed composition to a process for polymerizing isobutylene | — | 1995-05-16 |
| 5414179 | Method for controlling the feed composition to a process for polymerizing isobutylene | Stephen Paul Thomas | 1995-05-09 |
| 5202494 | Continuous process for the production of disulfides | John S. Roberts, Charles A. Drake | 1993-04-13 |
| 4823866 | Tube support for heat exchanger | — | 1989-04-25 |
| 4670397 | Fermentation apparatus | Eugene H. Wegner | 1987-06-02 |
| 4588024 | Indirect heat exchanger with baffles | Norman R. Murray | 1986-05-13 |
| 4402929 | Method for producing a high DPG carbon black | — | 1983-09-06 |
| 4373024 | Apparatus useful for foam breaking | — | 1983-02-08 |
| 4320090 | Apparatus for producing a high DPG carbon black | — | 1982-03-16 |
| 4267160 | Carbon black for low-hysteresis rubber compositions | Gerard Kraus | 1981-05-12 |
| 4243365 | Carbon black pellet and method and apparatus for producing same | — | 1981-01-06 |
| 4241022 | Carbon black for low-hysteresis rubber compositions | Gerard Kraus | 1980-12-23 |
| 4213957 | Carbon black production | King L. Mills | 1980-07-22 |