Inventor
Tadeusz K. Wiewiorowski
Inventor
New Orleans, LA, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Bprimary
C01BNon-metallic elements21%
C22BProduction and refining of metals21%
Y02PClimate change mitigation technologies in the production or processing of goods13%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals11%
C01GCompounds containing metals not covered by subclasses c01d or c01f11%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
B03BSeparating solid materials using liquids or using pneumatic tables or jigs3%
B03DFlotation3%
C01CAmmonia3%
C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium3%
PatentTitleYear
5,289,594'Water saver toilet flush control system'19945,147,617'Process for recovery of gold from gold ores using a complexing pretreatment and sulfurous acid leaching'19925,147,618'Process for recovery of gold from refractory gold ores using sulfurous acid as the leaching agent'19925,114,699'Spent alkylation acid treatment process'19925,096,571'Recovery of sulfur from native ores'19924,915,705'Production of silica and fluorine-containing coproducts from fluosilicic acid'19904,655,790'Phosphoric acid crystallization process'19874,655,789'Phosphoric acid crystallization process'19874,510,027'Simultaneous leaching and electrodeposition of precious metals'19854,384,889'Simultaneous leaching and cementation of precious metals'19834,172,879'Ferric iron removal from aluminum fluoride solutions'19794,105,741'Process for recovery of uranium from wet process phosphoric acid'19783,981,968'Solvent extraction of nickel from ammoniacal solutions'19763,975,497'Enhanced selectivity in the separation of nickel and cobalt from ammoniacal solutions'19763,965,248'Removal of P.sub.2 O.sub.5 from aluminum fluoride enriched crystallization mother liquors'19763,961,030'Production of alumina from ores'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1985Patents assigned to FREEPORT MINERALS CO (7)· patent assignee history
1976–1994Based in New Orleans, LA, US· patent location history
1983Patents assigned to FREEPORT RESEARCH & DEV COMPAN (1)· patent assignee history
1987–1990Patents assigned to FREEPORT RES & ENG (2)· patent assignee history
1992Patents assigned to FREEPORT MCMORAN INC (2)· patent assignee history
1992Patents assigned to FREEPORT MCMORAN RESOURCE (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FREEPORT MINERALS CO | 7 | 1976–1985 |
| FREEPORT MCMORAN INC | 2 | 1992 |
| FREEPORT MCMORAN RESOURCE | 2 | 1992 |
| FREEPORT RES & ENG | 2 | 1987–1990 |
| FREEPORT RESEARCH & DEV COMPAN | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| New Orleans, LA, US | 16 | 1976–1994 |