Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4578116 | Organosilicon compounds and textile fiber finishes containing these | Hans Rott, Gunter Schmidt | 1986-03-25 |
| 4564665 | Oil gas separation | Ian C. Callaghan, Hans-Ferdi Fink, Clive M. Gould, Hans-Jurgen Patzke, Christian Weitemeyer | 1986-01-14 |
| 4557737 | Oil gas separation | Ian C. Callaghan, Hans-Ferdi Fink, Clive M. Gould, Hans-Jurgen Patzke, Christian Weitemeyer | 1985-12-10 |
| 4537595 | Organopolysiloxanes with Bunte salt groups, their synthesis and use for the surface treatment of inorganic or organic materials | Burghard Gruning, Ulrich Holtschmidt | 1985-08-27 |
| 4501616 | Lubricant and mold-release agent for the manufacture of ties | Hans-Ferdi Fink, Rolf Freiberger | 1985-02-26 |
| 4501911 | Organosilicon-modified polydienes, process for their synthesis and their use as emulsion breakers for crude oil | Christian Weitemeyer | 1985-02-26 |
| 4486476 | Preparation for making inorganic building materials water-repellent | Herwig Fritsch, Herbert Quilitsch, Eckehard Schamberg | 1984-12-04 |
| 4476282 | Method of producing finely divided, stable oil-in-water emulsions of organopolysiloxanes | Friedhelm Nickel, Hans Rott, Gunter Schmidt | 1984-10-09 |
| 4452961 | Process for the synthesis of heat-curable silicone resins | Manfred Priesch, Harald Rau, Eckehard Schamberg | 1984-06-05 |
| 4447498 | Use of organopolysiloxanes in the manufacture of paper-coated plaster boards | Hans-Ferdi Fink, Edmund Luksch | 1984-05-08 |
| 4408031 | Process for the preparation of heat-curable silicone resins usable especially as electrical insulating resins | Ulrich Holtschmidt, Manfred Priesch, Harald Rau, Christian Weitemeyer | 1983-10-04 |
| 4406738 | Use of an organopolysiloxane preparation for the treatment of paper for the production of plaster boards | Hans-Ferdi Fink, Edmund Luksch | 1983-09-27 |
| 4405328 | Preparation for shrinkproofing wool | Friedhelm Nickel, Gunter Schmidt, Hans Rott | 1983-09-20 |
| 4380503 | Process for preparing oil-in-water emulsion | Gerd Sanger, Hans-Ferdi Fink, Friedhelm Grassmann | 1983-04-19 |
| 4311821 | Process for the preparation of crosslinked organopoly-siloxanes and their use as active ingredient of abhesive coating materials for two-dimensional carriers | Christian Weitemeyer | 1982-01-19 |
| 4306050 | Process for the manufacture of organopolysiloxanes for use in abhesive coating materials | Vaclav Kropac, Christian Weitemeyer | 1981-12-15 |
| 4283191 | Preparation for shrinkproofing wool | Friedhelm Nickel, Gunter Schmidt | 1981-08-11 |
| 4281147 | Process for the production of aqueous solutions of alkali organosiliconates | Vaclav Kropac, Harald Rau | 1981-07-28 |
| 4274977 | Defoamer preparation and processes for its production | Hans-Ferdi Fink | 1981-06-23 |
| 4248590 | Preparation for shrinkproofing wool | Gunter Schmidt, Friedhelm Nickel | 1981-02-03 |
| 4217228 | Textile fiber finishes | Hans Rott | 1980-08-12 |
| 4183820 | Use of demulsifying mixtures for breaking petroleum emulsions | Heinz Theile, Hermann Hoffmann, Gerd Rossmy, Peter Zaske | 1980-01-15 |
| 4182682 | Preparation for shrinkproofing wool and process for the production of the preparation | Gunter Schmidt, Friedhelm Nickel | 1980-01-08 |