Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929340 | Catalyst and process for sweetening a sour hydrocarbon fraction using dipolar compounds | Sheila L. Pollastrini, Jeffery C. Bricker | 1990-05-29 |
| 4923596 | Use of quaternary ammonium compounds in a liquid/liquid process for sweetening a sour hydrocarbon fraction | Jeffery C. Bricker, Bryan Benedict, Sheila L. Pollastrini | 1990-05-08 |
| 4908122 | Process for sweetening a sour hydrocarbon fraction | Jeffery C. Bricker | 1990-03-13 |
| 4897180 | Catalytic composite and process for mercaptan sweetening | Jeffery C. Bricker | 1990-01-30 |
| 4835331 | Process for the oligomerization of olefinic hydrocarbons | Harold U. Hammershaimb | 1989-05-30 |
| 4824818 | Catalytic composite and process for mercaptan sweetening | Jeffery C. Bricker | 1989-04-25 |
| 4795852 | Process for the oligomerization of olefins and a catalyst thereof | Paul T. Barger | 1989-01-03 |
| 4795851 | Process for the oligomerization of olefins and a catalyst thereof | Tamotsu Imai | 1989-01-03 |
| 4740652 | Process for the oligomerization of olefins | — | 1988-04-26 |
| 4737480 | Process for the oligomerization of olefins and a catalyst thereof | Tamotsu Imai | 1988-04-12 |
| 4737479 | Process for the oligomerization of olefins and a catalyst thereof | Paul T. Barger | 1988-04-12 |
| 4613580 | Process for the oligomerization of olefins and a catalyst thereof | — | 1986-09-23 |
| 4574121 | Metal chelate mercaptan oxidation catalyst | — | 1986-03-04 |
| 4502949 | Catalytic oxidation of mercaptan in petroleum distillate | Russell W. Johnson, Bruce E. Staehle | 1985-03-05 |
| 4498977 | Catalytic oxidation of mercaptan in petroleum distillate | — | 1985-02-12 |
| 4498978 | Catalytic oxidation of mercaptan in petroleum distillate | — | 1985-02-12 |
| 4374042 | Method of reactivating a catalytic composite of a carrier material and a mercaptan oxidation catalyst | — | 1983-02-15 |
| 4360421 | Method for treating mercaptans contained in a sour petroleum distillate | — | 1982-11-23 |
| 4337147 | Catalytic composite and process for use | — | 1982-06-29 |
| 4320029 | Catalytic composite, method of manufacture, and process for use | — | 1982-03-16 |
| 4318825 | Catalytic composite, and method of manufacture | — | 1982-03-09 |
| 4308169 | Method of reactivating a catalytic composite of a carrier material and a mercaptan oxidation catalyst | — | 1981-12-29 |
| 4299729 | Method of reactivating a catalytic composite of an adsorptive carrier material and a mercaptan oxidation catalyst | — | 1981-11-10 |
| 4298463 | Method of treating a sour petroleum distillate | — | 1981-11-03 |
| 4293442 | Catalytic composite, method of manufacture, and process for use | — | 1981-10-06 |