Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5492618 | Recovery of hard acids and soft bases from decomposed coal | Edwin R. Ernst, Andres M. Fraga | 1996-02-20 |
| 5489376 | Recovery of hard acids and soft bases from decomposed coal | Edwin R. Ernst, Andres M. Fraga | 1996-02-06 |
| 5489377 | Recovery of hard acids and soft bases from decomposed coal | Andres M. Fraga | 1996-02-06 |
| D366302 | Golf swing alignment mat | Richard O. Marsh, Jr., Kenneth T. Ockey | 1996-01-16 |
| 5298157 | Coal depolymerization utilizing hard acid/soft base | Edwin R. Ernst, Chang S. Hsu | 1994-03-29 |
| 5296133 | Low ash coal products from depolymerized coal | Daniel P. Leta, William A. Lamberti, Mark Michael Disko, Sutinder K. Behal, Edwin R. Ernst | 1994-03-22 |
| 5294349 | Coal depolymerization and hydroprocessing | Edwin R. Ernst, Chang S. Hsu, Gopal H. Singhal, Peter S. Maa | 1994-03-15 |
| 5157199 | Isomerization of paraffins with strong solid acid catalyst and adamantane | Stuart L. Soled, Enrique Iglesia, William E. Gates, Richard H. Ernst | 1992-10-20 |
| RE33080 | Adamantane catalyzed paraffin isomerization | — | 1989-10-03 |
| 4560825 | Adamantane derivative/surfactant catalyzed paraffin-olefin alkylation | Edwin R. Ernst | 1985-12-24 |
| 4518798 | Preparing esters and carboxylic acids from lower olefins | Walter Weissman, Herbert C. Brown, Rowland Pettit | 1985-05-21 |
| 4426545 | Adamantyl carboxylic and sulfonic acid catalyzed paraffin-olefin alkylation | — | 1984-01-17 |
| 4424387 | Adamantyl carboxylic and sulfonic acid catalyzed paraffin isomerization | — | 1984-01-03 |
| 4362669 | Uranyl compounds employing a strong base | Donald M. Cox, Martin B. Dines, Edward T. Maas, Jr. | 1982-12-07 |
| 4357483 | Aminoalkyladamantane catalyzed araffin isomerization | — | 1982-11-02 |
| 4357481 | Adamantane catalyzed paraffin-olefin alkylation | — | 1982-11-02 |
| 4357482 | Aminoalkyl adamantane catalyzed paraffin-olefin alkylation | — | 1982-11-02 |
| 4357484 | Adamantane catalyzed paraffin isomerization | — | 1982-11-02 |
| 4243597 | Volatile uranyl compounds | Richard B. Hall, Andrew Kaldor, Martin B. Dines | 1981-01-06 |
| 4229611 | Isomerization alkylation systems | — | 1980-10-21 |