Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31610 | Modifying mortars of inorganic binding agents with alkylated sulphonated phenol-formaldehyde condensation product | Kurt Schaupp, Gunther Boehmke | 1984-06-26 |
| 4391718 | Sulphonated mono-hydric diaryl phenol formaldehyde condensates, their preparation, their use as dispersing agents and formulations containing them | Karlhans Jakobs, Gunther Boehmke | 1983-07-05 |
| 4330334 | Modifying mortars of inorganic binding agents with alkylated sulphonated phenol-formaldehyde condensation product | Kurt Schaupp, Gunther Boehmke | 1982-05-18 |
| 4325890 | Phenol-formaldehyde condensates, their preparation and their use as dispersing agents, liquefaction agents and tanning agents | Vaclav Kaspar, Karlhans Jakobs, Kurt Schaupp | 1982-04-20 |
| 4258448 | Method of dispersing, emulsifying materials with phosphoric acid esters | Gunther Boehmke, Karlhans Jakobs | 1981-03-31 |
| 4245083 | Phenolic formaldehyde-salicylic acid condensation products | Gunther Boehmke, Artur Haus, Martin Meister | 1981-01-13 |