Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5053560 | Method for the continuous production of potassium tert-butoxide | Rheinhard Matthes, Hartwig Rauleder | 1991-10-01 |
| 5026533 | Method and apparatus for the preparation of dichlorosilane | Reinhard Matthes, Reinhold Schork | 1991-06-25 |
| 4987268 | Process for the preparation of asymmetric terminally mono-unsaturated glycol ethers | Hartwig Rauleder, Hans-Joachim Kotzsch | 1991-01-22 |
| 4924021 | Cyclic phenol organosilanes and method for their preparation | Hans-Joachim Kotzsch | 1990-05-08 |
| 4923687 | Method for removing silane compounds from silane-containing exhaust gases | Reinhold Schork, Reinhard Matthes | 1990-05-08 |
| 4876337 | Method and apparatus for the preparation of cyanoalkyl-alkoxysilanes | Hartwig Rauleder, Claus-Dietrich Seiler | 1989-10-24 |
| 4824979 | Method for the preparation of partial esters and ortho esters of titanium, zirconium or hafnium | Hans-Joachim Kotzsch, Hans-Gunther Srebny | 1989-04-25 |
| 4824982 | Method for the cleavage of organic siloxanes, and products and applications thereof | Hans-Joachim Koetzsch | 1989-04-25 |
| 4789752 | Method for the preparation of orthoesters of titanium, zirconium or hafnium | Hans-Joachim Kotzsch, Hans-Gunther Srebny | 1988-12-06 |
| 4677215 | Method of preparing partially esterified silicon halides | Hans-Joachim Kotzsch | 1987-06-30 |
| 4647681 | Method for the preparation of persilylated carboxylic acid amides | Hans-Joachim Kotzsch | 1987-03-03 |
| 4642363 | Method of preparing trialkyl organo-oxysilanes | Reiner Groh, Hans-Joachim Kotzsch, Hans-Gunther Srebny | 1987-02-10 |
| 4609749 | Method for the simultaneous preparation of carboxylic acid trimethylsilyl esters and silylated carboxylic acid amides | Hans-Joachim Kotzsch | 1986-09-02 |
| 4604476 | Odor-stabilized mercaptoalkyl alkoxysilanes and a method for their preparation | Claus-Dietrich Seiler | 1986-08-05 |
| 4577045 | Method for the production of anhydrous potassium tert.butoxide | Reinhard Matthes | 1986-03-18 |
| 4571427 | Method of preparing 2-chloroethyldichlorosilanes | Claus-Dietrich Seiler | 1986-02-18 |
| 4556724 | Method for the preparation of mercapto alkyl silanes | Claus-Dietrich Seiler | 1985-12-03 |
| 4537983 | Method of preparing 2-phenylethylchlorosilanes | Claus-Dietrich Seiler | 1985-08-27 |
| 4506087 | Method for the continuous preparation of alkoxysilanes | Peter Fischer, Reiner Groh | 1985-03-19 |
| 4467105 | Method of preparing glycol esters of organosilanes | Hans-Joachim Kotzsch | 1984-08-21 |
| 4436823 | Silica gels incorporating insolubilized reagents | Alfred Blumcke, Peter Fischer | 1984-03-13 |
| 4417067 | Method of cleaving organosiloxanes | Hans-Joachim Kotzsch | 1983-11-22 |
| 4404014 | Salt-like products of the addition of phenols onto amino organosilane esters and method for the preparation thereof and use as a preservative | Hans-Joachim Kotzsch | 1983-09-13 |
| 4387199 | Tetravalent vanadium compounds which are soluble in organic solvents | Walter Josten | 1983-06-07 |
| 4370204 | Method for the purification of hexamethyldisiloxane | Hans-Joachim Kotzsch | 1983-01-25 |