Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8734547 | Processes for preparing a catalyzed carbonaceous particulate | Robert A. Spitz | 2014-05-27 |
| 8734548 | Processes for preparing a catalyzed coal particulate | Robert A. Spitz, George Frederick Salem | 2014-05-27 |
| 8648121 | Hydromethanation of a carbonaceous feedstock with nickel recovery | Robert A. Spitz | 2014-02-11 |
| 8557878 | Hydromethanation of a carbonaceous feedstock with vanadium recovery | Robert A. Spitz | 2013-10-15 |
| 8297542 | Coal compositions for catalytic gasification | George Frederick Salem | 2012-10-30 |
| 8286901 | Coal compositions for catalytic gasification | George Frederick Salem | 2012-10-16 |
| 8163048 | Catalyst-loaded coal compositions, methods of making and use | George Frederick Salem, Edwin J. Hippo | 2012-04-24 |
| 7901644 | Catalytic gasification process with recovery of alkali metal from char | Robert A. Spitz | 2011-03-08 |
| 7897126 | Catalytic gasification process with recovery of alkali metal from char | Robert A. Spitz | 2011-03-01 |
| 6406616 | Process for removing low amounts of organic sulfur from hydrocarbon fuels | Vincent P. Nero, Stephen J. DeCanio | 2002-06-18 |
| 6402940 | Process for removing low amounts of organic sulfur from hydrocarbon fuels | — | 2002-06-11 |
| 6355221 | Process for removing soluble fluoride from a waste solution containing the same | — | 2002-03-12 |
| 5573672 | Water managed solvent extraction process for the organic wastes | Stephen C. Paspek, David S. Davies | 1996-11-12 |
| 4891067 | Processes for the treatment of smelter flue dust | Brett T. Waterman | 1990-01-02 |
| 4545816 | Processes relating to the extraction of metals from laterites and ocean manganese nodules | — | 1985-10-08 |
| 4423014 | Solvent extraction | Lloyd Allen | 1983-12-27 |
| 4320094 | Partitioning of refractory metals from oxidation resistant scrap alloy | Jameel Menashi, Donald A. Douglas | 1982-03-16 |
| 4305754 | Chromium recovery from scrap alloys | Jameel Menashi, Donald A. Douglas | 1981-12-15 |
| 4298581 | Process for recovering chromium, vanadium, molybdenum and tungsten values from a feed material | Donald A. Douglas, Jameel Menashi | 1981-11-03 |
| 4298582 | Vanadium recovery from scrap alloys | Jameel Menashi, Donald A. Douglas | 1981-11-03 |
| 4278644 | Process for partitioning Mo and W from a mixed CaMoO.sub.4 -CaWO.sub.4 precipitate | Jameel Menashi, Donald A. Douglas | 1981-07-14 |