Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844980 | Silica or silicic acid particles whose surface located hydroxyl groups are at least partially replaced by organic groups | Burghard Gruning, Gotz Koerner, Gerd Rossmy | 1989-07-04 |
| 4715986 | Particles, modified at their surface by hydrophilic and hydrophobic groups | Burghard Gruning, Goetz Koerner, Gerd Rossmy | 1987-12-29 |
| 4614622 | Polyoxyalkylene ethers of glycerin or 1,2-propanediol, esterified with fatty acid and/or isostearic acid, their synthesis and use as thickening or solubilizing agents | Rudolf Huettinger | 1986-09-30 |
| 4537595 | Organopolysiloxanes with Bunte salt groups, their synthesis and use for the surface treatment of inorganic or organic materials | Burghard Gruning, Gotz Koerner | 1985-08-27 |
| 4408031 | Process for the preparation of heat-curable silicone resins usable especially as electrical insulating resins | Gotz Koerner, Manfred Priesch, Harald Rau, Christian Weitemeyer | 1983-10-04 |
| 4371683 | Hardenable adhesive | Jurgen Fock, Dietmar Schedlitzki, Wilhelm Ahrens | 1983-02-01 |
| 4271190 | Guanidinium salts, processes for their manufacture as well as microbicidal preparations containing these compounds | Gunter Bertelmann, Arnold Laqua | 1981-06-02 |
| 4247433 | Process for the preparation of thermosettable urea-formaldehyde resins and method for use thereof | Eckehard Schamberg, Dieter Hellwig | 1981-01-27 |
| 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, Eckehard Schamberg, Dieter Hellwig | 1980-04-15 |
| 4189311 | 1,3-Di-N-decyl-2-methyl-imidazolium chloride or bromide and microbiocidal preparation containing this compound | Arnold Laqua | 1980-02-19 |