Issued Patents All Time
Showing 76–81 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4192925 | Polyhydroxyl compounds containing guanidine groups | Walter Schafer, Kurt Findeisen | 1980-03-11 |
| 4187354 | Process for lowering the viscosity of formose or mixtures of formose in mono- and/or di-saccharides, products produced thereby, and the use thereof in producing polyurethane resins | — | 1980-02-05 |
| 4187356 | Condensation of formaldehyde hydrate to form mixtures which, together with monomers capable of aminoplast formation are useful in the preparation of polyurethane foams | — | 1980-02-05 |
| 4187355 | Production of polyalkylene glycol ethers from formose and use thereof in the preparation of polyurethane resins | — | 1980-02-05 |
| 4186257 | Process for the preparation of new segmented polyurethane resins derived from block copolymers being linked together through ester and/or urethane and/or urea groups | Johannes Blahak, Roland Gipp, Erwin Muller, Jan Mazanek, Peter Haas | 1980-01-29 |
| 4181782 | Preparation of polyisocyanates having biuret groups and their use in synthetic foamed resins and lacquers | Edgar Mohring, Hanns P. Muller | 1980-01-01 |