Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4810303 | Production of hexagonal cadmium sulfide pigment | Eddie C. Chou, Leo W. Beckstead | 1989-03-07 | $13,697,000 |
| 4547347 | Granulometric control of nickel sulfide precipitate | Lauren B. Ames | 1985-10-15 | $1,167,000 |
| 4547348 | Conditioning of laterite pressure leach liquor | Jean-Paul Duterque, Thomas William Polkinghorn | 1985-10-15 | $1,167,000 |
| 4519606 | Spelling game | — | 1985-05-28 | |
| 4374101 | Chemical dissolution of scale formed during pressure leaching of nickeliferous oxide and silicate ores | Mahesh C. Jha | 1983-02-15 | $6,600,000 |