Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363752 | Catalyst of activated copper-zinc alloy and its use in hydrating acrylonitrile | Frederick J. Sibert | 1982-12-14 |
| 4331792 | Continuous process for production of copolymer of an alkali metal vinyl sulfonate and acrylic acid | Robert Otremba | 1982-05-25 |
| 4307215 | Formic acid and alkali metal formates as chain transfer agents in the preparation of acrylamide polymers | Robert Otremba | 1981-12-22 |
| 4255545 | Discrete bead polymer process | John R. Hurlock | 1981-03-10 |
| 4250111 | Mixed catalyst for the hydrolysis of nitriles to amides | Virgil L. Seale | 1981-02-10 |
| 4196272 | Continuous process for the preparation of an acrylic acid-methyl acrylate copolymer in a tubular reactor | Robert Otremba | 1980-04-01 |