Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797427 | Aromatic diamines containing sulfonic acid aryl esters, a process for their production and their use in the production of polyurethane plastics | Josef Sanders, Helmut Reiff, Dieter Dieterich | 1989-01-10 |
| 4704447 | Polyhydroxy compounds containing urea groups and either ester or amide groups, process for their preparation, and the use thereof | Gerhard Grogler, Walter Meckel | 1987-11-03 |
| 4608214 | Process for the production of optionally cellular moldings | Reiner Paul, Werner Rasshofer | 1986-08-26 |
| 4578500 | Polyamines and a process for their production | Werner Rasshofer | 1986-03-25 |
| 4532266 | Polymer-containing polyether polyamines and a process for the production of these polyamines | Werner Rasshofer, Dieter Dieterich, Holger Meyborg | 1985-07-30 |
| 4507444 | High-impact polymer alloys | Wilhelm Slawyk, Manfred Munzer, Adolf Wohnhas, deceased | 1985-03-26 |
| 4506039 | Process for the production of polymer-containing aromatic polyether polyamines | Werner Rasshofer, Winfried Schoberth | 1985-03-19 |
| 4456730 | Polymer modified polyamines and a process for their preparation | Werner Rasshofer | 1984-06-26 |
| 4300886 | Shaped dental articles | Carlhans Suling, Bernd Leusner, Hans-Hermann Schulz, Michael Walkowiak | 1981-11-17 |
| 4301262 | Process for the production of aminoplast dispersions | Kuno Wagner, Jurgen Ick | 1981-11-17 |
| 4272619 | Process for the production of modified polyether polyols and their use in processes for the production of polyurethane plastics | Hansjurgen Rabe, Peter Vehlewald | 1981-06-09 |
| 4246160 | Process for the production of aminoplast dispersions | Kuno Wagner, Jurgen Ick | 1981-01-20 |
| 4233424 | Process for the production of bead polymers | Carlhans Suling, Michael Walkowiak, Hans-Hermann Schulz | 1980-11-11 |
| 4230823 | Polyurethane foams and elastomers based on modified polyether polyols | Heinrich Alberts | 1980-10-28 |
| 4224418 | Compounds containing hydroxyl groups and urethano-aryl-sulfonic acid groups | Dieter Dieterich, Hans G. Schmelzer | 1980-09-23 |
| 4223114 | Process for the production of bead polymers | Carlhans Suling, Michael Walkowiak, Hans-Hermann Schulz | 1980-09-16 |