Issued Patents All Time
Showing 126–150 of 154 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5759508 | Process for producing oxochlorides of sulfur | Walter Vladimir Cicha | 1998-06-02 |
| 5523498 | Process for reducing the fluorine content of hydrofluorocarbons and hydrohalofluorocarbons | V. N. Mallikarjuna Rao, Steven H. Swearingen | 1996-06-04 |
| 5461177 | Fluorocarbon purification process | V. N. Mallikarjuna Rao | 1995-10-24 |
| 5345016 | Manufacture of 1,1,1,2-tetrafluoroethane | — | 1994-09-06 |
| 5302765 | Catalytic process for producing CF.sub.3 CHClF | V. N. Mallikarjuna Rao, Frank J. Weigert | 1994-04-12 |
| 5286824 | Process for the preparation of halogenated 2,2-bis(trifluoromethyl)-1,3-dioxolanes | Paul R. Resnick | 1994-02-15 |
| 5261948 | Carbon molecular sieve for the kinetic separation of acid gases and fluorocarbons | Henry C. Foley, Ravindra K. Mariwala | 1993-11-16 |
| 5243106 | Processes using aluminum fluoride catalyst compositions for preparing 1,1-dichloro-1,2,2,2-tetrafluoroethane | Frederick N. Tebbe | 1993-09-07 |
| 5243108 | Aluminum fluoride catalyst compositions and use thereof in a chlorofluorination process for preparing 1,1-dichloro-1,2,2,2-tetrafluoroethane | Frederick N. Tebbe | 1993-09-07 |
| 5220083 | Synthesis of perfluoropropane | James L. Webster, Steven H. Swearingen, Douglas W. Bruhnke, Elrey L. McCann | 1993-06-15 |
| 5185482 | Manufacture of 1,1,1,2-tetrafluoroethane | — | 1993-02-09 |
| 5177224 | Process for the preparation of halogenated 2,2-bis(trifluoromethyl)-1,3-dioxolanes | Paul R. Resnick | 1993-01-05 |
| 5120883 | Catalytic process for producing CCl.sub.3 CF.sub.3 | V. N. Mallikarjuna Rao, Frank J. Weigert | 1992-06-09 |
| 5094773 | Azeotropes of HF and process for the separation of HF via azeotropic distillation | V. N. Mallikarjuna Rao, Richard T. Rockwell, Michael A. Sisk, Edwin J. Warwas, Roy Winteringham | 1992-03-10 |
| 5068472 | Multistep synthesis of hexafluoropropylene | James L. Webster, Swiatoslaw Trofimenko, Paul R. Resnick, Douglas W. Bruhnke, Jan J. Lerou +5 more | 1991-11-26 |
| 5057634 | Multistep synthesis of hexafluoropropylene | James L. Webster, Elrey L. McCann, Douglas W. Bruhnke, Jan J. Lerou, William H. Manogue +3 more | 1991-10-15 |
| 5051537 | Gas-phase fluorination | — | 1991-09-24 |
| 5043491 | Multistep synthesis of hexafluoropropylene | James L. Webster, Elrey L. McCann, Douglas W. Bruhnke, Jan J. Lerou, William H. Manogue +2 more | 1991-08-27 |
| 5026930 | Gas-phase fluorination process | V. N. Mallikarjuna Rao | 1991-06-25 |
| 5008476 | Process for the preparation of 1,1,1,2-tetrafluoroethane | V. N. Mallikarjuna Rao | 1991-04-16 |
| 5008475 | Gas-phase fluorination process | V. N. Mallikarjuna Rao | 1991-04-16 |
| 4944846 | Process for the separation of HF via Azeotropic distillation | V. N. Mallikarjuna Rao, Richard T. Rockwell, Michael A. Sisk, Edwin J. Warwas, Roy Winteringham | 1990-07-31 |
| 4935558 | Reductive dechlorination of 1,1,1,2-tetrafluoro-2-chloroethane | Carl G. Krespan | 1990-06-19 |
| 4922037 | Gas-phase fluorination process | — | 1990-05-01 |
| 4911792 | Process for the separation of HF via phase separation and distillation | V. N. Mallikarjuna Rao, Richard T. Rockwell, Michael A. Sisk, Edwin J. Warwas, Roy Winteringham | 1990-03-27 |