Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419891 | Synthetic crystalline MCM-69, its synthesis and use | Carrie L. Kennedy, Gordon J. Kennedy, Stephen L. Lawton, John L. Schlenker | 2002-07-16 |
| 6306362 | Aluminosilicate molecular sieve | Scott Han, David O. Marler, John L. Schlenker, Suzanne E. Schramm, Jeffrey S. Beck | 2001-10-23 |
| 6277355 | Synthesis of ZSM-5 and ZSM-11 | Carrie L. Kennedy, John L. Schlenker | 2001-08-21 |
| 5961951 | Synthesis ZSM-48 | Carrie L. Kennedy, John L. Schlenker | 1999-10-05 |
| 4785883 | Polysilicate esters for oil reservoir permeability control | Dennis H. Hoskin | 1988-11-22 |
| 4660640 | Polysilicate esters for oil reservoir permeability control | Dennis H. Hoskin | 1987-04-28 |
| 4536282 | Upgrading heavy crude oils to lighter products with a dispersed zeolite | — | 1985-08-20 |
| 4495166 | Synthesis of ZSM-5 utilizing a mixture of quaternary ammonium ions and amines | Robert B. Calvert | 1985-01-22 |
| 4431746 | Preparing metal-exchanged highly siliceous porous crystalline materials | — | 1984-02-14 |
| 4423021 | Method of preparing silico-crystal ZSM-48 | Ernest W. Valyocsik | 1983-12-27 |
| 4379489 | Method for production of heavy oil from tar sands | — | 1983-04-12 |
| 4374093 | Continuous-stream upflow zeolite crystallization apparatus | Ernest W. Valyocsik | 1983-02-15 |
| 4359595 | Selective production of olefins | — | 1982-11-16 |
| 4354870 | Metals beneficiation process | Theodore P. Goldstein | 1982-10-19 |
| 4338288 | Sorbent for removing metals from fluids | — | 1982-07-06 |
| 4324651 | Deasphalting process | Dennis E. Walsh | 1982-04-13 |
| 4300011 | Selective production of aromatics | — | 1981-11-10 |
| 4296083 | Zeolite synthesis | — | 1981-10-20 |
| 4272357 | Desulfurization and demetalation of heavy charge stocks | — | 1981-06-09 |
| 4263126 | Preparation and use of reactive dispersions | — | 1981-04-21 |
| 4233138 | Process for the visbreaking of high-metals crudes and resids | Dennis E. Walsh | 1980-11-11 |
| 4222897 | Sorbent for removing metals from fluids | — | 1980-09-16 |
| 4205052 | Manufacture of synthetic mordenite | Ernest W. Valyocsik | 1980-05-27 |
| 4205053 | Manufacture of nitrogenous zeolites | Ernest W. Valyocsik | 1980-05-27 |
| 4203869 | ZSM-5 Containing aluminum-free shells on its surface | — | 1980-05-20 |