Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658484 | Agents and a process for waterproofing leathers and furs | Helmut Lohmann, Leonardus Strijbos, Waldemar Inger | 1997-08-19 |
| 4925884 | Process for the production of concentrated emulsion polymers | Otto Schroers | 1990-05-15 |
| 4786661 | Process for the rapid dissolution of water-soluble polymers | Helmut Klein, Erhard Goldacker, Otto Schroer | 1988-11-22 |
| 4627528 | Conveying system for multiple die presses or press lines | Gerald Mikusch, Werner Munch | 1986-12-09 |
| 4530943 | Process for the rapid dissolution of water-soluble polymers | Helmut Klein, Erhard Goldacker, Otto Schroers | 1985-07-23 |
| 4491813 | Electromagnetic relay | Rolf-Dieter Kimpel, Horst Tamm, Erwin Steiger | 1985-01-01 |
| 4367297 | Water-soluble poly(meth)acrylic acid derivatives gels and their manufacture | Werner Fischer | 1983-01-04 |
| 4340525 | Additive for deep-well cement slurries | Otto Schroers, Hans J. Sladeck | 1982-07-20 |