Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857203 | Process for the removal of metal ions from an aqueous medium utilizing a coal gasifier slag composition | Daniel J. Najvar | 1989-08-15 |
| 4714722 | Fly ash reactive filler for dehydrating and bonding aqueous polymeric compositions | Daniel J. Najvar, Norman R. Loeffler | 1987-12-22 |
| 4650908 | Production of arylacetaldehydes | — | 1987-03-17 |
| 4474951 | Hydroxyalkylation of polysaccharides | — | 1984-10-02 |
| 4303794 | Separation and recovery of 4,4'-methylene dimethyl diphenyldicarbamate | — | 1981-12-01 |