Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091002 | Preparation for the water-repellent impregnation of porous mineral building materials | Gotz Koerner, Herwig Fritsch, Manfred Grasse, Roland Sucker | 1992-02-25 |
| 4781950 | Method for impregnating mineral building materials | Herbert Giesing, Gotz Koerner, Jakob Wassermeyer, Christian Weitemeyer | 1988-11-01 |
| 4609752 | Process and apparatus for continuously synthesizing alkoxypolysiloxanes | Herbert Giesing, Gotz Koerner, Vaclay Kropac, Hans-Jurgen Patzke, Herbert Quilitsch +3 more | 1986-09-02 |
| 4487809 | Process for the synthesis of a water-dilutable, heat-curable organopolysiloxane, modified with organic polyols | G/o/ tz Koerner, Manfred Priesch, Harald Rau | 1984-12-11 |
| 4486476 | Preparation for making inorganic building materials water-repellent | Herwig Fritsch, Gotz Koerner, Herbert Quilitsch | 1984-12-04 |
| 4452961 | Process for the synthesis of heat-curable silicone resins | Gotz Koerner, Manfred Priesch, Harald Rau | 1984-06-05 |
| 4247433 | Process for the preparation of thermosettable urea-formaldehyde resins and method for use thereof | Ulrich Holtschmidt, Dieter Hellwig | 1981-01-27 |
| 4207379 | Substrate web coated with a thermosetting coating resin | Jurgen Fock, Werner Schafer | 1980-06-10 |
| 4198332 | Process for the preparation of solutions of urea-formaldehyde resins for the impregnation and coating of carrier webs for coating the surface of wood-based panels | Arnold Laqua, Ulrich Holtschmidt, Dieter Hellwig | 1980-04-15 |