Issued Patents All Time
Showing 1–25 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6069106 | Process and compositions for Mn containing catalyst for carbo-metallic hydrocarbons | — | 2000-05-30 |
| 5746321 | Combination magnetic separation, classification and attrition process for renewing and recovering particulates | Howard F. Moore, Terry L. Goolsby, A. V. Peppard | 1998-05-05 |
| 5641395 | Process and compositions for Mn containing catalyst for carbo-metallic hydrocarbons | Sharon L. Mayo | 1997-06-24 |
| 5636747 | Combination magnetic separation, classification and attrition process for renewing and recovering particulates | Howard F. Moore, Terry L. Goolsby, A. V. Peppard | 1997-06-10 |
| 5614164 | Production of mesophase pitches, carbon fiber precursors, and carbonized fibers | Michael B. Sumner | 1997-03-25 |
| 5538624 | Process, apparatus and compositions for recycle of cracking catalyst additives | — | 1996-07-23 |
| RE35046 | Addition of magnetically active moieties for magnetic beneficiation of particulates in fluid bed hydrocarbon processing | Roger M. Benslay | 1995-10-03 |
| 5393412 | Combination magnetic separation, classification and attrition process for renewing and recovering particulates | — | 1995-02-28 |
| 5364827 | Composition comprising magnetically active moieties for magnetic beneficiation of particulates in fluid bed hydrocarbon processing | Roger M. Benslay | 1994-11-15 |
| 5328594 | "Magnetic separation of old from new cracking catalyst by means of heavy rare earth ""magnetic hooks""" | — | 1994-07-12 |
| 5316654 | Processes for the manufacture of enriched pitches and carbon fibers | Donald C. Berkebile, deceased, Catherine Berkebile, Administratrix, Donald M. Lee, Larry D. Veneziano, Joseph Lauer +2 more | 1994-05-31 |
| 5238672 | Mesophase pitches, carbon fiber precursors, and carbonized fibers | Michael B. Sumner | 1993-08-24 |
| 5230869 | Addition of magnetically active moieties for magnetic beneficiation of particulates in fluid bed hydrocarbon processing | Roger M. Benslay | 1993-07-27 |
| 5198098 | Magnetic separation of old from new equilibrium particles by means of manganese addition | — | 1993-03-30 |
| 5190635 | Superparamagnetic formation of FCC catalyst provides means of separation of old equilibrium fluid cracking catalyst | — | 1993-03-02 |
| 5171424 | "Magnetic separation of old from new cracking catalyst by means of heavy rare earth ""magnetic hooks""" | — | 1992-12-15 |
| 5147527 | Magnetic separation of high metals containing catalysts into low, intermediate and high metals and activity catalyst | — | 1992-09-15 |
| 5106486 | Addition of magnetically active moieties for magnetic beneficiation of particulates in fluid bed hydrocarbon processing | — | 1992-04-21 |
| 4996037 | Processes for the manufacture of enriched pitches and carbon fibers | Donald C. Berkebile, deceased, Donald M. Lee, Larry D. Veneziano, Joseph Lauer, Roy E. Booth | 1991-02-26 |
| 4927620 | Process for the manufacture of carbon fibers and feedstock therefor | Clifford Ward, Eugene Chao, Roy E. Booth, Frank H. Turrill, Robert H. Wombles +1 more | 1990-05-22 |
| 4915820 | Removal of coke and metals from carbo-metallic oils | — | 1990-04-10 |
| 4877514 | Carbo-metallic oil conversion process and catalysts | H. Wayne Beck | 1989-10-31 |
| 4869880 | Apparatus for the separation of solid particulates from a gaseous effluent | Steven W. Murray, Ricky L. Adkins, Billy T. Fritz, James R. Riggs, Paul W. Walters | 1989-09-26 |
| 4869879 | Vented riser for stripping spent catalyst | — | 1989-09-26 |
| 4816195 | Process of making a loosely formed non-woven mat of aligned carbon fibers | Larry D. Veneziano | 1989-03-28 |