Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244156 | Method to reduce the dustiness of extrafine cobalt powder | Robert G. Mendenhall | 1993-09-14 |
| 5196580 | Recovery of oxalate from solutions containing complexes of iron and chromium | Judith A. Ladd | 1993-03-23 |
| 5185030 | Method for producing extrafine pure metal powder | James N. Christini, Eric F. Husted | 1993-02-09 |
| RE34172 | Continuous mixer | J. S. Gwinn | 1993-02-02 |
| 5177308 | Insecticidal toxins in plants | Kenneth Barton | 1993-01-05 |
| 5164171 | Removal of carbonate from caustic sulfide solution | Martin Vogt, Thomas A. Wolfe | 1992-11-17 |
| 5154757 | Method of making pure cobalt metal powder substantially free of divalent cationic impurities | Thomas A. Wolfe, Michael J. Cheresnowsky, Tai K. Kim | 1992-10-13 |
| 5102633 | Method for reducing impurities in hexammine cobalt halide compounds | Eric F. Husted, Shellie K. Northrop, David Townsend Smith | 1992-04-07 |
| 5044601 | Outside bay adapter for a concrete forming system | — | 1991-09-03 |
| 5039059 | Waler bracket for concrete forming structure | — | 1991-08-13 |
| 4965116 | Method for separation of cobalt from nickel | Richard A. Scheithauer | 1990-10-23 |
| 4925593 | Method for producing cadmium free green emitting CRT phosphor | Richard R. Borchardt, Richard G. W. Gingerich | 1990-05-15 |
| 4804407 | Method for recovering cobalt from hexammine cobaltic (111) solutions | Richard A. Scheithauer, Clarence D. Vanderpool | 1989-02-14 |
| 4798708 | Process for recovering chromium and other metal values from chromium bearing material | Judith A. Ladd | 1989-01-17 |
| 4777292 | Preparation of ortho-methyl anilines from ortho-amino benzyl sulfoxides | John P. Chupp | 1988-10-11 |
| 4767216 | Continuous mixer | J. S. Gwinn | 1988-08-30 |
| 4705559 | Method for producing fine cobalt metal powder | — | 1987-11-10 |
| 4690710 | Process for producing cobalt metal powder | Richard A. Scheithauer, Clarence D. Vanderpool, Richard G. W. Gingerich | 1987-09-01 |
| 4626425 | Recovery of tungsten from ammoniacal solutions | Richard A. Scheithauer, Clarence D. Vanderpool, Martin B. MacInnis | 1986-12-02 |
| 4624844 | Process for producing ammonium paratungstate | Richard A. Scheithauer, Clarence D. Vanderpool, Martin B. MacInnis | 1986-11-25 |
| 4623534 | Method for producing ammonium paratungstate | Richard A. Scheithauer, Clarence D. Vanderpool | 1986-11-18 |
| 4618713 | Preparation of 2'-methyl-2-haloacetanilides | John P. Chupp | 1986-10-21 |
| 4612039 | Production of pure cobalt metal powder | Richard A. Scheithauer, Clarence D. Vanderpool | 1986-09-16 |
| 4608084 | Recovery of cobalt and chromium | Richard A. Scheithauer, Clarence D. Vanderpool, Martin B. MacInnis | 1986-08-26 |
| 4606885 | High purity cobalt article | Martin B. MacInnis | 1986-08-19 |