Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7012156 | Preparation method of methacrylic acid | Ki-Hwa Lee | 2006-03-14 |
| 6476257 | Method for preparing aromatic carboxylic acids from alkylaromatics by liquid-phase oxidation | Sang-Eon Park, Ki Won Jun, David B. Raju, Young-Ho Kim | 2002-11-05 |
| 6194607 | Method of producing aromatic carboxylic acids by oxidizing alkyl aromatic hydrocarbons or partially oxidized intermediates thereof | Sung Hwa Jhung, Youn-Seok Park, Ki-Hwa Lee, Jong Hyun Chae | 2001-02-27 |
| 6180822 | Method of producing aromatic carboxylic acids by oxidizing alkyl aromatic compounds or partially oxidized intermediates thereof with carbon dioxide containing gas | Sung Hwa Jhung, Ki-Hwa Lee, Youn-Seok Park | 2001-01-30 |
| 4963520 | Metal-containing spinel composition and process of using same | Cecelia A. Radlowski, John A. Karch, Alakananda Bhattacharyya | 1990-10-16 |
| 4957718 | Process for reducing emissions of sulfur oxides and composition useful in same | John A. Karch, Alakananda Bhattacharyya, Cecelia A. Radlowski | 1990-09-18 |
| 4957892 | Process for combusting solid sulfur containing material | John A. Jaecker | 1990-09-18 |
| 4883783 | Composition of matter for conversion of hydrocarbons | Emmett H. Burk, Jr., Cecelia A. Radlowski | 1989-11-28 |
| 4824814 | Catalyst treatment and process for using treated catalyst | Frank J. Elvin | 1989-04-25 |
| 4800185 | Regeneraation of metal contaminated hydrocarbon conversion catalytsts | Frank J. Elvin, Jan Otterstedt | 1989-01-24 |
| 4790982 | Metal-containing spinel composition and process of using same | Cecelia A. Radlowski, John A. Karch, Alakananda Bhattacharyya | 1988-12-13 |
| 4758418 | Process for combusting solid sulfur-containing material | John A. Jaecker | 1988-07-19 |
| 4735705 | Composition of matter and process useful for conversion of hydrocarbons | Emmett H. Burk, Jr., Cecelia A. Radlowski | 1988-04-05 |
| 4642178 | Process for conversion of hydrocarbons | John A. Jaecker | 1987-02-10 |
| 4522937 | Preparative process for alkaline earth metal, aluminum-containing spinels | John A. Karch, Richard F. Poss, Emmett H. Burk, Jr. | 1985-06-11 |
| 4495305 | Catalyst for conversion of hydrocarbons | John A. Jaecker | 1985-01-22 |
| 4495304 | Catalyst for conversion of hydrocarbons | John A. Jaecker | 1985-01-22 |
| 4492678 | Preparative process for alkaline earth metal, aluminum-containing spinels and their use for reducing sulfur oxide content in gases | Cecelia A. Radlowski | 1985-01-08 |
| 4492677 | Preparative process for alkaline earth metal, aluminum-containing spinels and their use for reducing the sulfur oxide content of gases | Cecelia A. Radlowski | 1985-01-08 |
| 4472267 | Catalyst and process for conversion of hydrocarbons | John A. Jaecker | 1984-09-18 |
| 4471070 | Preparative process for alkaline earth metal, aluminum-containing spinels | Kristine S. Siefert, Emmett H. Burk, Jr. | 1984-09-11 |
| 4469589 | Catalyst and process for conversion of hydrocarbons | John A. Jaecker | 1984-09-04 |
| 4448585 | Process for forming stable coal-oil mixtures | — | 1984-05-15 |
| 4448584 | Process for removing sulfur from coal | George P. Masologites, Jui-Yuan Sun, Emmett H. Burk, Jr. | 1984-05-15 |
| 4337144 | Aluminum passivation process | — | 1982-06-29 |