Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5780383 | Solid superacid catalyst comprising group VII metal and having H.sub.o less than -18 | James T. Wei, Chao-Yang Hsu | 1998-07-14 |
| 5493067 | Solid superacid alkylation catalyst compositions and alkylation method using the same | Howard P. Angstadt, Chao-Yang Hsu | 1996-02-20 |
| 5491278 | Alkylation process using solid superacid catalyst liquid phase | Howard P. Angstadt, Chao-Yang Hsu | 1996-02-13 |
| 5362694 | Sulfur dioxide regeneration of superacid catalyst | Chao-Yang Hsu | 1994-11-08 |
| 5321197 | Processes using solid-acid catalyst composition | Howard P. Angstadt, Chao-Yang Hsu | 1994-06-14 |
| 5310868 | Processes using solid-acid catalyst compositions | Howard P. Angstadt, Chao-Yang Hsu | 1994-05-10 |
| 5214017 | Solid-acid alkylation catalyst compositions for alkylation processes | Howard P. Angstadt, Chao-Yang Hsu | 1993-05-25 |
| 5212136 | Solid-acid alkylation catalyst compositions for alkylation processes | Howard P. Angstadt, Chao-Yang Hsu | 1993-05-18 |
| 4956519 | Catalyst for hydrocarbon conversion and conversion process utilizing the same | James T. Wei, Chao-Yang Hsu | 1990-09-11 |
| 4918041 | Catalyst for hydrocarbon conversion and conversion process utilizing the same | James T. Wei, Chao-Yang Hsu | 1990-04-17 |
| 4561969 | Method for removing chlorine compounds from hydrocarbon mixtures | Edward J. Janoski | 1985-12-31 |
| 4353792 | Process to upgrade coal liquids by extraction prior to hydrodenitrogenation | Abraham Schneider, Edward J. Janoski, Edward G. Scheibel | 1982-10-12 |
| 4272362 | Process to upgrade shale oil | Abraham Schneider, Edward J. Janoski, Edward G. Scheibel | 1981-06-09 |
| 4229612 | Decolorization of norbornadiene dimers | Lewis W. Hall, Jr., David L. Kerr, Harry K. Myers, Jr., Abraham Schneider | 1980-10-21 |
| 4192731 | Coal extraction process | Richard S. Stearns | 1980-03-11 |