Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533466 | Polycarboxylic acid derivatives and uses | Benjamin R. Robles, Robert M. Parlman | 1985-08-06 |
| 4528141 | Process for producing trithiocarbonic acid esters | Kenneth B. Kimble | 1985-07-09 |
| 4521300 | Ore flotation with combined collectors | Robert M. Parlman | 1985-06-04 |
| 4518492 | Ore flotation with combined collectors | Kenneth B. Kimble | 1985-05-21 |
| 4515687 | Ore flotation and flotation agents for use therein | Rector P. Louthan | 1985-05-07 |
| 4514293 | Ore flotation and flotation agents for use therein | Harold W. Mark | 1985-04-30 |
| 4511465 | Ore flotation with combined collectors | — | 1985-04-16 |
| 4510050 | Metal trithiocarbonates as depressants | Robert M. Parlman, Tommy L. Young | 1985-04-09 |
| 4482480 | Polycarboxylic acid derivatives and uses | Robert M. Parlman, Benjamin R. Robles | 1984-11-13 |
| 4462898 | Ore flotation with combined collectors | Robert M. Parlman | 1984-07-31 |
| 4459237 | Trithiocarbonates | Robert M. Parlman, James B. Kimble | 1984-07-10 |
| 4439314 | Flotation reagents | Robert M. Parlman | 1984-03-27 |
| 4424123 | Ore flotation using fulvenes | Robert M. Parlman, Lyle D. Burns | 1984-01-03 |
| 4424122 | Gold flotation with mercaptan and imidazoline | Robert M. Parlman | 1984-01-03 |
| 4416770 | Selective mineral recovery | Robert M. Parlman | 1983-11-22 |
| 4372844 | Aromatic and benzothiophene extender oil composition for ore floatation | Robert M. Parlman | 1983-02-08 |
| 4250067 | Copolymer-oil blends stabilized with asphalt | — | 1981-02-10 |
| 4217259 | Asphaltic concrete compositions comprising diene/vinyl aromatic copolymers | — | 1980-08-12 |
| 4211013 | Gauge | William E. Thornberry | 1980-07-08 |
| 4196115 | Blends of different conjugated diene/monovinyl aromatic copolymers in bituminous based roofing and waterproofing membranes | — | 1980-04-01 |