Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7371905 | Method of producing hydrofluorocarbons | Rajat S. Basu, Lawrence F. Mullan, Peter Scheidle, Steven J. Bass | 2008-05-13 |
| 6844474 | Process for the production of difluoromethane | Paul Gene Clemmer, Hsueh Sung Tung, John Bass | 2005-01-18 |
| 6365580 | Process for the production of difluoromethane | Paul Gene Clemmer, Hsueh Sung Tung, John Bass | 2002-04-02 |
| 6274779 | Purified 1,1,1,3,3,3-hexafluoropropane and method for making same | Daniel C. Merkel, Kim M. Fleming | 2001-08-14 |
| 6268540 | Catalyst and process for the fluorination of hydrohalomethanes | Alagappan Thenappan, Jeffrey Warren McKown, Robert L. Bell | 2001-07-31 |
| 6099694 | Azeotrope-like compositions of difluoromethane and chlorine | Hang T. Pham, Rajiv R. Singh, David P. Wilson, Raymond H. Thomas, Gustavo Cerri | 2000-08-08 |
| 5902912 | Process for preparing hydrofluorocarbons | Hsueh Sung Tung, Daniel C. Merkel | 1999-05-11 |
| 5902914 | Process for the preparation of halogenated alkanes | Tadeusz Piotr Rygas, Hsueh Sung Tung | 1999-05-11 |
| 5856595 | Purified 1,1,1,3,3,3-hexafluoropropane and method for making same | Daniel C. Merkel, Kim M. Fleming | 1999-01-05 |
| 5763708 | Process for the production of difluoromethane | Paul Gene Clemmer, Hsueh Sung Tung, John Bass | 1998-06-09 |
| 5744661 | Purification of 1, 1-difluoroethane | Matthew H. Luly, Kane D. Cook | 1998-04-28 |
| 5654494 | Process for the manufacture of 1,1,1,2-tetrafluoroethane | Hsueh Sung Tung, Paul Gene Clemmer, Gustavo Cerri, Yuon Chiu, Stanley Michael Jaskot +3 more | 1997-08-05 |
| 5545778 | Single stage process for producing hydrofluorocarbons from perchloroethylene | Hsueh Sung Tung, Charles Francis Swain | 1996-08-13 |
| 5346595 | Process for the purification of a pentafluoroethane azeotrope | Paul Gene Clemmer, Hsueh Sung Tung | 1994-09-13 |
| 5336377 | Process for removing 2-chloro-1,1-difluoroethylene from 1,1,1,2-tetrafluoroethane and co-producing 2-chloro-1,1,1,2-tetrafluoroethane | Stephen Yates, Daniel F. Harnish | 1994-08-09 |
| 5190626 | Process for removing vinylidene chloride and other unsaturated compounds from 1,1-dichloro-1-fluoroethane | Stephen Yates, Arthur F. Murphy | 1993-03-02 |
| 5155082 | Catalyst for the manufacture of chlorofluorocarbons, hydrochlorofluorocarbons and hydrofluorocarbons | Hsueh Sung Tung | 1992-10-13 |
| 4950816 | Purification of 1,1-dichloro-1-fluoroethane | Hsueh Sung Tung | 1990-08-21 |
| 4912270 | Chromia aerogel, method of producing same and fluorination process utilizing same | Emery J. Carlson, John N. Armor, William J. Cunningham | 1990-03-27 |
| 4828818 | Chromium aerogel method of producing same and fluorinating process utilizing same | Emery J. Carlson, John N. Armor, William J. Cunningham | 1989-05-09 |
| 4319060 | Process for producing 1,2-dichloro-1,1,2,2-tetrafluoroethane substantially free of 1,1-dichloro-1,2,2,2-tetrafluoroethane | William J. Cunningham, Robert A. Wiles | 1982-03-09 |
| 4298765 | Purification of phenol with reduced energy consumption | Jerry Cochran, Thomas H. Insinger, Gerald E. Hollenbach, Ronald F. Piskorz | 1981-11-03 |