Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8710131 | Stabilized redispersible polymer powder compositions | Liang Hong, Linda Kim-Habermehl, Mladen Ladika | 2014-04-29 |
| 8709574 | Frothable aqueous composition for use in a carpet backing composition | — | 2014-04-29 |
| RE32778 | Frothers demonstrating enhanced recovery of coarse particles in froth floatation | Robert D. Hansen, Richard R. Klimpel | 1988-11-08 |
| 4699711 | Novel O,O'-, O,S'- or S,S'-dithiodialkylene-bis(mono- or dihydrocarbyl carbamothioates) and S,S'-dithiodialkylene-bis(mono- or dihydrocarbyl carbamodithioates) useful as froth flotation collectors | Harry Smith | 1987-10-13 |
| 4618461 | O,O'-, O,S'- or S,S'-dithiodialkylene-bis(mono- or dihydrocarbyl carbamothioates) and S,S'-dithiodialkylene-bis(mono- or dihydrocarbyl carbamodithioates) and method of preparation thereof | Harry Smith | 1986-10-21 |
| 4605519 | O- and S-(2-mercaptoalkyl)- mono- or dihydrocarbyl carbamothioates and S-(2-mercaptoalkyl)mono- or dihydrocarbyl carbamodithioates | — | 1986-08-12 |
| 4582596 | Frothers demonstrating enhanced recovery of coarse particles in froth floatation | Robert D. Hansen, Richard R. Klimpel | 1986-04-15 |
| 4511464 | 1,3-Oxathiolane-2-thiones as sulfide mineral collectors in froth flotation | — | 1985-04-16 |