Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4501594 | Anionic polyhydroxy polyphenyl compounds as dispersants for aqueous slurries of carbonaceous materials | Grannis S. Johnson, Reuben H. Grinstein | 1985-02-26 |
| 4441929 | Superplasticizers for cementitious compositions | Grannis S. Johnson, Joseph P. Fleming | 1984-04-10 |
| 4440577 | Polyhydroxy polyphenyl compounds as additives for cementitious materials | Grannis S. Johnson | 1984-04-03 |
| 4424074 | Additives for cementitious compositions | Jose L. Villa, Joseph V. Sinka, Joseph P. Fleming | 1984-01-03 |
| 4391645 | Additives for cementitious materials | Grannis S. Johnson | 1983-07-05 |
| 4376665 | Explosive composition comprising pentaborane and tris (difluoramino) fluoromethane | Chester J. Grelecki | 1983-03-15 |