Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11207661 | Process to peptize alumina for fluidizable catalysts | Udayshankar Singh, Sundaram Krishnamoorthy, Michael S. Ziebarth | 2021-12-28 |
| 10005072 | High matrix surface area catalytic cracking catalyst stabilized with magnesium and silica | Ranjit Kumar, Kevin J. Sutovich, Michael S. Ziebarth, Yuying Shu | 2018-06-26 |
| 9993810 | Silica sol bound catalytic cracking catalyst stabilized with magnesium | Kevin J. Sutovich, Ranjit Kumar, Michael S. Ziebarth, Yuying Shu | 2018-06-12 |
| 9617480 | Process for making improved zeolite catalysts from peptized aluminas | Yuying Shu, Richard Franklin Wormsbecher | 2017-04-11 |
| 9416322 | Process for making improved catalysts from clay-derived zeolites | Yuying Shu, Richard Franklin Wormsbecher, Michael Wallace | 2016-08-16 |
| 9365779 | Catalyst for light olefins and LPG in fludized catalytic units | Meenakshi S. Krishnamoorthy, Ranjit Kumar, Xinjin Zhao, Michael S. Ziebarth | 2016-06-14 |
| 8845882 | High light olefins FCC catalyst compositions | Yuying Shu, Richard Franklin Wormsbecher | 2014-09-30 |
| 8642499 | Catalytic cracking catalyst compositions having improved bottoms conversion | Kevin J. Sutovich, Ruizhong Hu, Ranjit Kumar, Xinjin Zhao | 2014-02-04 |
| 7452839 | Gasoline sulfur reduction in fluid catalytic cracking | Terry G. Roberie, Hye Kyung Cho Timken, Scott Kevin Purnell, Xinjin Zhao | 2008-11-18 |
| 7153413 | Gasoline sulfur reduction in fluid catalytic cracking | Terry G. Roberie, Ranjit Kumar, Michael S. Ziebarth, Xinjin Zhao, Nazeer A. Bhore | 2006-12-26 |
| 6884744 | Zeolite based catalyst of ultra-high kinetic conversion activity | Philip S. Deitz, Xinjin Zhao | 2005-04-26 |
| 6846403 | Gasoline sulfur reduction in fluid catalytic cracking | Scott Kevin Purnell, Terry G. Roberie, Hye Kyung Cho Timken, Xinjin Zhao | 2005-01-25 |
| 6635168 | Gasoline sulfur reduction catalyst for fluid catalytic cracking process | Xinjin Zhao, John Allen Rudesill, Richard Franklin Wormsbecher, Pilip Stephen Deitz | 2003-10-21 |
| 6605207 | Bayerite alumina clad zeolite and cracking catalysts containing same | Xinjin Zhao, Philip S. Deitz | 2003-08-12 |
| 6482315 | Gasoline sulfur reduction in fluid catalytic cracking | Terry G. Roberie, Ranjit Kumar, Michael S. Ziebarth, Xinjin Zhao, Nazeer A. Bhore | 2002-11-19 |
| 6165351 | Silica bayerite/eta alumina | Norman R. Laine, John Allen Rudesill | 2000-12-26 |
| 5547564 | Catalytic Cracking | Kuppuswamy Rajagopalan | 1996-08-20 |
| 5306417 | Catalytic cracking process utilizing a silica modified bayerite and/or eta alumina-containing catalyst | John Allen Rudesill | 1994-04-26 |
| 5304526 | Silica bayerite/eta alumina | Norman R. Laine, John Allen Rudesill | 1994-04-19 |
| 5168086 | Catalytic cracking catalysis | Kuppuswamy Rajagopalan | 1992-12-01 |
| 5147836 | Catalytic cracking catalysts | John Allen Rudesill | 1992-09-15 |
| 4908344 | Hydroprocessing catalyst and support having bidisperse pore structure | Carmo J. Pereira | 1990-03-13 |
| 4895994 | Shaped catalysts and processes | Christian B. Lundsager, Robert M. Spotnitz | 1990-01-23 |
| 4826799 | Shaped catalyst and process for making it | Christian B. Lundsager, Robert M. Spotnitz | 1989-05-02 |
| 4791090 | Hydroprocessing catalyst and support having bidisperse pore structure | Joseph K. Pereira | 1988-12-13 |