Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6534675 | Process for the preparation of zinc dithiocarbamates | Hans-Wilhelm Engels | 2003-03-18 |
| 6365741 | Process for preparing Cis-2,6-dimethylpiperazine | — | 2002-04-02 |
| 6316622 | Process for preparing cis-2,6-dimethylpiperazine | — | 2001-11-13 |
| 6100319 | Process for improving the plasticity of ceramic composition and for reversing this effect | Torsten Groth, Winfried Joentgen, Bernhard Lehmann, Ralf-Johann Moritz, Ulrich Litzinger +1 more | 2000-08-08 |
| 6093789 | Process for the preparation of polymers with repeating succinyl units using catalysts | Richard Weider | 2000-07-25 |
| 5919894 | Process for preparing polymers with recurring succinyl units | — | 1999-07-06 |
| 5889123 | Polymer compounds and their use for the vulcanization of halogenated butyl rubbers with a low halogen content | Rudiger Musch, Anthony Sumner, Stefan Kelbch | 1999-03-30 |
| 5804668 | Polymer compounds and the use thereof for vulcanising rubbers containing halogen | Rudiger Musch | 1998-09-08 |
| 5708096 | Polymer compounds and their use for the vulcanisation of halogen-containing rubbers | Rudiger Musch, Michael Happ | 1998-01-13 |
| 5684062 | (Co)polycarbonates stabilised against .gamma.-radiation | Wolfgang Ebert, Ralf Hufen, Gerhard Fennhoff | 1997-11-04 |
| 5464893 | Radiation-resistant polycarbonates | Rick L. Archey, Charles E. Lundy, Aaron D. Meltzer, Harald Pielartzik, Gerhard Fennhoff +3 more | 1995-11-07 |
| 5312982 | Process for the preparation of .beta.-halogeno-tert.-alkyl-carboxylic acid chlorides | — | 1994-05-17 |
| 5245076 | Process for the preparation of .beta.-halogeno-tert.-alkyl isocyanates | — | 1993-09-14 |
| 5210152 | Process for the vulcanization of polychloroprene | Rudiger Musch | 1993-05-11 |
| 5210285 | Process for the preparation of .beta.-halogeno-tert.-alkyl isocyanates | — | 1993-05-11 |
| 5028729 | Process for the production of bis-(dialkoxythio-phosphoryl)-trisulfides | Hans-Wilhelm Engels | 1991-07-02 |
| 4985305 | Process for the preparation of rubber/metal composite materials with a powerful rubber/metal bond | Manfred Pieroth, Theo Kempermann | 1991-01-15 |
| 4760128 | Process for the preparation of high molecular weight, optionally branched polyarylene sulphide with monomercaptan compound | Wolfgang Ebert, Karsten-Josef Idel | 1988-07-26 |
| 4585856 | Process for the preparation of polyarylene sulphides | Wolfgang Ebert, Rolf-Volker Meyer, Karsten-Josef Idel | 1986-04-29 |
| 4534901 | Cobalt-boron compounds | Hans Magg | 1985-08-13 |
| 4439589 | Process for the preparation of copolymers of styrene and/or its derivatives | Heinrich Alberts, Alfred Pischtschan | 1984-03-27 |
| 4405742 | Process for the production of high molecular weight polychloroprene and its use as a starting material for adhesives | Rudiger Musch, Wilhelm Gobel, Heinrich Alberts, Gerhard Hohmann | 1983-09-20 |
| 4369122 | Vulcanization acceleration based on melamine derivatives, rubber compositions containing melamine derivatives, and a process for the vulcanization of rubber | Ulrich Eholzer | 1983-01-18 |
| 4340695 | Vulcanization system, rubber mixture containing said system and a process of vulcanization | Ulrich Eholzer, Theo Kempermann, Ernst Roos | 1982-07-20 |
| 4331821 | Process for the monohalogenation of alkylbenzenes in the .alpha.-position and new alkylbenzenes monohalogenated in the .alpha.-position | Erich Klauke, Klaus Naumann, Rainer Fuchs | 1982-05-25 |