Issued Patents All Time
Showing 25 most recent of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10344138 | Biodegradable polymer recycling | Anthony Johnson | 2019-07-09 |
| 6416654 | Method for controlling hydrocracking and isomerization dewaxing operations | Tai-Sheng Chou, Nai Y. Chen, Grant G. Karsner, Clinton R. Kennedy, Rene B. LaPierre +2 more | 2002-07-09 |
| 5620590 | Hydrocracking process using small crystal size zeolite Y | Robert P. L. Absil, James R. Katzer, Daria N. Lissy, Robert A. Ware | 1997-04-15 |
| 5434327 | Process for dimerizing propylene and for converting hexenes into ethers | Arthur A. Chin | 1995-07-18 |
| 5419830 | Method for controlling hydrocracking and isomerization dewaxing | Tai-Sheng Chou, Nai Y. Chen, Grant G. Karsner, Clinton R. Kennedy, Rene B. LaPierre +2 more | 1995-05-30 |
| 5401704 | Hydrocracking catalyst and process using small crystal size zeolite Y | Robert P. L. Absil, James R. Katzer, Daria N. Lissy, Robert A. Ware | 1995-03-28 |
| 5306416 | Process for making a blended lubricant | Quang N. Le | 1994-04-26 |
| 5271825 | Turbine oil production | Robert W. Bortz, William E. Garwood, Quang N. Le | 1993-12-21 |
| 5166455 | Process for the production of tertiary alkytl ethers from FCC light naphtha | Arthur A. Chin, Frederick J. Krambeck, Sergei Yurchak | 1992-11-24 |
| 5157187 | Hydroisomerization process for pour point reduction of long chain alkyl aromatic compounds | Quang N. Le | 1992-10-20 |
| 5138102 | Reactor quenching for catalytic olefin hydration in ether production | James H. Beech, Jr., James A. Stoos, Sergei Yurchak | 1992-08-11 |
| 5107048 | Process for preparing long chain alkyl aromatic compounds employing Lewis acid-promoted amorphous inorganic oxide | Albin Huss, Jr., Quang N. Le, Samuel A. Tabak | 1992-04-21 |
| 5107049 | Stabilization of polyalpha-olefins | Quang N. Le, Joosup Shim | 1992-04-21 |
| 5105042 | Sulfated layered titanium oxide catalysts in process for preparing long chain alkyl aromatic compounds | Brent A. Aufdembrink, Charles T. Kresge, Quang N. Le, Joosup Shim | 1992-04-14 |
| 5100535 | Method for controlling hydrocracking operations | Nai Y. Chen, Tai-Sheng Chou, Grant G. Karsner, Clinton R. Kennedy, Rene B. LaPierre +2 more | 1992-03-31 |
| 5043508 | Process for preparing long chain alkyl aromatic compounds | Brent A. Aufdembrink, Charles T. Kresge, Quang N. Le, Joosup Shim | 1991-08-27 |
| 5041208 | Process for increasing octane and reducing sulfur content of olefinic gasolines | Randall D. Patridge, Monique A. Schobert | 1991-08-20 |
| 5037528 | Lubricant production process with product viscosity control | William E. Garwood, Quang N. Le | 1991-08-06 |
| 5034563 | Naphthalene alkylation process | Henry Ashjian, Quang N. Le, David O. Marler, Joosup Shim | 1991-07-23 |
| 5030785 | Process for preparing long chain alkyl aromatic compounds employing Lewis acid-promoted zeolite catalysts | Albin Huss, Jr., Quang N. Le, Samuel A. Tabak | 1991-07-09 |
| 5021142 | Turbine oil production | Robert W. Bortz, William E. Garwood, Quang N. Le | 1991-06-04 |
| 5011593 | Catalytic hydrodesulfurization | Robert A. Ware | 1991-04-30 |
| 5008460 | Synthetic lubricants | William E. Garwood, Quang N. Le, Joosup Shim | 1991-04-16 |
| 4990713 | Process for the production of high VI lube base stocks | Quang N. Le, Robert A. Ware | 1991-02-05 |
| 4975177 | High viscosity index lubricants | William E. Garwood, Quang N. Le | 1990-12-04 |