Inventor
Daniel A. D. Boateng
Inventor
Montrose, CA
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation20%
C01GCompounds containing metals not covered by subclasses c01d or c01f20%
C22BProduction and refining of metals13%
Y02PClimate change mitigation technologies in the production or processing of goods13%
C02FTreatment of water, waste water, sewage, or sludge7%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B09BDisposal of solid waste not otherwise provided for3%
C01BNon-metallic elements3%
C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium3%
PatentTitleYear
5,531,903'Fluoride removal from metal sulphate solution and a method of waste utilization'19965,225,054'Method for the recovery of cyanide from solutions'19935,135,652'Method for the solvent extraction of zinc'19925,110,432'Method for separating dissolved species by electrodialysis'19925,084,180'Method for treating zinc-containing sulfate solution'19925,013,358'Method for the recovery of mercury from mercury-containing material'19914,976,832'Method for making arsenic acid'19904,961,909'Process for the manufacture of copper arsenate'19904,915,919'Recovery of germanium from aqueous solutions by solvent extraction'19904,715,939'Method for removal of monovalent ions from ZnSO.sub.4 electrolyte by electrodialysis'19874,636,295'Method for the recovery of lithium from solutions by electrodialysis'19874,525,332'Recovery of germanium from aqueous solutions'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1996Patents assigned to COMINCO LTD (11)· patent assignee history
1985–1996Based in Montrose, CA· patent location history
1990Patents assigned to COMINO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| COMINCO LTD | 11 | 1985–1996 |
| COMINO LTD | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Montrose, CA | 12 | 1985–1996 |