Issued Patents All Time
Showing 25 most recent of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11344865 | Process for the catalytic conversion of micro carbon residue content of heavy hydrocarbon feedstocks and a low surface area catalyst composition for use therein | Josiane Marie-Rose Ginestra, David Andrew Komar | 2022-05-31 |
| 10507459 | Process for the catalytic conversion of micro carbon residue content of heavy hydrocarbon feedstocks and a low surface area catalyst composition for use therein | Josiane Marie-Rose Ginestra, David Andrew Komar | 2019-12-17 |
| 10118161 | Catalyst and process for hydroconversion of a heavy feedstock | John George Kester, David Andrew Komar | 2018-11-06 |
| 9371496 | Catalyst and process for hydroconversion of a heavy feedstock | John George Kester, David Andrew Komar | 2016-06-21 |
| 9039891 | High surface area composition for use in the catalytic hydroconversion of a heavy hydrocarbon feedstock, a method making such composition and its use | Josiane Marie-Rose Ginestra, John George Kester, David Andrew Komar | 2015-05-26 |
| 8709968 | High surface area composition for use in the catalytic hydroconversion of a heavy hydrocarbon feedstock, a method making such composition and its use | Josiane Maria-Rose Ginestra, John George Kester, David Andrew Komar | 2014-04-29 |
| 8372268 | High surface area composition for use in the catalytic hydroconversion of a heavy hydrocarbon feedstock, a method making such composition and its use | Josiane Marie-Rose Ginestra, John George Kester, David Andrew Komar | 2013-02-12 |
| 6387248 | Method of preparing a catalyst for use in the hydrotreating of high boiling hydrocarbon feedstocks | Pei-Shing E. Dai | 2002-05-14 |
| 6136179 | Low pressure process for the hydroconversion of heavy hydrocarbons | Michael K. Porter | 2000-10-24 |
| 5968348 | Hydroconversion process employing a phosphorus loaded NiMo catalyst with specified pore size distribution | — | 1999-10-19 |
| 5928499 | Hydroconversion process employing catalyst with specified pore size distribution, median pore diameter by surface area, and pore mode by volume | Pei-Shing E. Dai | 1999-07-27 |
| 5827421 | Hydroconversion process employing catalyst with specified pore size distribution and no added silica | — | 1998-10-27 |
| 5616530 | Hydroconversion process employing catalyst with specified pore size distribution | Pei-Shing E. Dai, Charles N. Campbell, II | 1997-04-01 |
| 5545602 | Catalyst with specified pore size distribution | Gerald V. Nelson, Govanon Nongbri, Roy E. Pratt, Pei-Shing E. Dai | 1996-08-13 |
| 5534135 | Synthesis of zeolites | Pei-Shing E. Dai, Burton H. Bartley | 1996-07-09 |
| 5514273 | Hydroconversion process employing catalyst with specified pore size distribution | Pei-Shing E. Dai, Charles N. Campbell, II | 1996-05-07 |
| 5498586 | Catalyst with specified pore size distribution | Pei-Shing E. Dai | 1996-03-12 |
| 5459118 | Hydrotalcite-containing catalyst composition | Pei-Shing E. Dai, Randall H. Petty | 1995-10-17 |
| 5445728 | Method for the reactivation of spent alumina-supported hydrotreating catalysts | Johnnie R. Hardee, Jr. | 1995-08-29 |
| 5441630 | Hydrodesulfurization process | Eugene P. Dai, Bobby R. Martin, Randall H. Petty | 1995-08-15 |
| 5436215 | Mild hydrocracking of heavy hydrocarbon feedstocks employing lithia promoted catalysts | Pei-Shing E. Dai, Charles N. Campbell, II, Joseph A. Durkin | 1995-07-25 |
| 5435908 | Hydroconversion process employing catalyst with specified pore size distribution | Gerald V. Nelson, Govanon Nongbri, Roy E. Pratt, Pei-Shing E. Dai | 1995-07-25 |
| 5416054 | Hydroconversion catalyst with specified pore size distribution | Pei-Shing E. Dai, Gerald V. Nelson, Govanon Nongbri, Roy E. Pratt | 1995-05-16 |
| 5399259 | Hydroconversion process employing catalyst with specified pore size distribution | Pei-Shing E. Dai, Gerald V. Nelson, Govanon Nongbri, Roy E. Pratt | 1995-03-21 |
| 5397456 | Hydroconversion process employing catalyst with specified pore size distribution | Pei-Shing E. Dai | 1995-03-14 |