Inventor
Alkis S. Rappas
Inventor
Kingwood, TX, US
Overview
Patents· 29 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y02Pprimary
Y02PClimate change mitigation technologies in the production or processing of goods27%
C22BProduction and refining of metals21%
C10JProduction of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures containing these gases11%
C01GCompounds containing metals not covered by subclasses c01d or c01f10%
C10LFuels not otherwise provided for7%
C10GCracking hydrocarbon oils4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
C02FTreatment of water, waste water, sewage, or sludge2%
C07CAcyclic or carbocyclic compounds2%
PatentTitleYear
8,734,547'Processes for preparing a catalyzed carbonaceous particulate'20148,734,548'Processes for preparing a catalyzed coal particulate'20148,648,121'Hydromethanation of a carbonaceous feedstock with nickel recovery'20148,557,878'Hydromethanation of a carbonaceous feedstock with vanadium recovery'20138,297,542'Coal compositions for catalytic gasification'20128,286,901'Coal compositions for catalytic gasification'20128,163,048'Catalyst-loaded coal compositions, methods of making and use'20127,901,644'Catalytic gasification process with recovery of alkali metal from char'20117,897,126'Catalytic gasification process with recovery of alkali metal from char'20116,406,616'Process for removing low amounts of organic sulfur from hydrocarbon fuels'20026,402,940'Process for removing low amounts of organic sulfur from hydrocarbon fuels'20026,355,221'Process for removing soluble fluoride from a waste solution containing the same'20025,573,672'Water managed solvent extraction process for the organic wastes'19964,891,067'Processes for the treatment of smelter flue dust'19904,545,816'Processes relating to the extraction of metals from laterites and ocean manganese nodules'19854,423,014'Solvent extraction'19834,320,094'Partitioning of refractory metals from oxidation resistant scrap alloy'19824,305,754'Chromium recovery from scrap alloys'19814,298,582'Vanadium recovery from scrap alloys'19814,298,581'Process for recovering chromium, vanadium, molybdenum and tungsten values from a feed material'19814,278,644'Process for partitioning Mo and W from a mixed CaMoO.sub.4 -CaWO.sub.4 precipitate'19814,148,813'Nickel and cobalt solvent extraction with mercaptides'19794,148,816'Alkali metal mercaptide solvent extraction of cobalt, nickel'19794,148,815'Amino-thiol nickel and cobalt solvent extraction'19794,128,416'Nickel recovery employing carbonyl ferrates'19784,097,272'Winning nickel and cobalt with mercaptide extractants and carbon monoxide strip'19784,095,975'Continuous recovery of copper metal from acidic solutions'19784,047,940'Separation and recovery of copper metal from ammoniacal solutions'19774,038,070'Low temperature and pressure continuous reduction of copper in acid solutions'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1979Patents assigned to KENNECOTT COPPER CORP (8)· patent assignee history
1977–1978Based in Arlington, MA, US· patent location history
1978–1982Based in Bedford, MA, US· patent location history
1981–1983Patents assigned to CABOT CORP (6)· patent assignee history
1983–2002Based in Chagrin Falls, OH, US· patent location history
1996Based in Bainbridge, OH, US· patent location history
2002–2014Based in Kingwood, TX, US· patent location history
2011–2014Patents assigned to GREATPOINT ENERGY INC (9)· patent assignee history
2012–2014Patents assigned to RAPPAS ALKIS S (7)· patent assignee history
2012–2014Patents assigned to SALEM GEORGE FREDERICK (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GREATPOINT ENERGY INC | 9 | 2011–2014 |
| KENNECOTT COPPER CORP | 8 | 1977–1979 |
| RAPPAS ALKIS Sself | 7 | 2012–2014 |
| CABOT CORP | 6 | 1981–1983 |
| SALEM GEORGE FREDERICK | 4 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kingwood, Texas, US | 11 | 2002–2014 |
| Bedford, Massachusetts, US | 10 | 1978–1982 |
| Chagrin Falls, OH, US | 4 | 1983–2002 |
| Arlington, Massachusetts, US | 3 | 1977–1978 |
| Bainbridge, OH, US | 1 | 1996 |