Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7763683 | Polyester polyols, a process for the production thereof and the use thereof | Hartmut Nefzger, Manfred Schmidt, Jens Krause, James-Michael Barnes, Erika Bauer | 2010-07-27 |
| 7091304 | Process for cleaning production plants for polyester polyols | Hartmut Nefzger, Erhard Michels, Ulrich Boddenberg | 2006-08-15 |
| 5612408 | Polyurethane-based thickeners for aqueous compositions | Klaus Konig, Jurgen Schwindt, Jan Mazanek, Josef Pedain, Manfred Dietrich +1 more | 1997-03-18 |
| 5594087 | Polyurethane thickeners and their use for thickening aqueous systems | Klaus K onig, Jan Mazanek, J urgen Schwindt, Manfred Dietrich | 1997-01-14 |
| 4952241 | (Meth)acylic acid derivatives containing urethane groups | Jurgen Reiners, Wolfgang Podszun, Jens Winkel, Carlhans Suling | 1990-08-28 |
| 4900800 | Powder lacquer and its use for coating heat-resistant substrates | Reinhard Halpaap, Josef Pedain, Hans-Joachim Kreuder, Walter Schafer, Dieter Arlt | 1990-02-13 |
| 4879402 | (Methyl)acrylic acid derivatives containing urethane groups | Jurgen Reiners, Wolfgang Podszun, Jens Winkel, Carlhans Suling | 1989-11-07 |
| 4851531 | Isocyanurate group-containing polyisocyanates | Reinhard Halpaap, Roland Richter, Hanns P. Muller, Josef Pedain, Hans-Joachim Kreuder | 1989-07-25 |
| 4835239 | Diisocyanates and their use for the preparation of polyurethanes | Dieter Arlt | 1989-05-30 |
| 4777220 | Process for the production of prepolymers containing isocyanate groups, prepolymers produced by this process and their use | Reinhard Halpaap, Manfred Bock, Josef Pedain, Dieter Arlt | 1988-10-11 |
| 4748242 | Tertiary polyisocyanate derivatives | Reinhard Halpaap, Josef Pedain, Hans-Joachim Kreuder, Dieter Arlt | 1988-05-31 |
| 4744827 | (Meth)-acrylic acid derivatives of tricyclodecanes and their use | Jens Winkel, Bruno Bomer, Robert Schmitz-Josten, Carlhans Suling, Dieter Arlt | 1988-05-17 |
| 4694041 | Polymerizable compositions and the use of arylamines as hardening accelerators for these compositions | Helmut-Martin Meier, Rolf Dhein, Jens Winkel, Werner Kloker | 1987-09-15 |
| 4694043 | Adhesives with a high level of adhesion on plastics materials | Wolfgang Fischer, Rudolph Hombach, Wilfried Kniege | 1987-09-15 |
| 4673713 | Arylamine derivatives which can be incorporated as copolymerized units in unsaturated resins, the preparation of these derivatives and their use as curing accelerators | Helmut-Martin Meier, Rolf Dhein, Jens Winkel, Werner Kloker | 1987-06-16 |
| 4634791 | Arylamine derivatives which can be incorporated as co-polymerized units in unsaturated resins, the preparation of these derivatives and their use as curing accelerators | Helmut-Martin Meier, Rolf Dhein, Jens Winkel, Werner Kloker | 1987-01-06 |
| 4628112 | Amines, processes for their preparation and their use in compositions which can undergo free radical polymerization | Jens Winkel, Helmut-Martin Meier, Carlhans Suling, Dieter Arlt | 1986-12-09 |
| 4613685 | Aliphatic-cycloaliphatic diisocyanates | Dieter Arlt | 1986-09-23 |
| 4605703 | Adhesives with a high level of adhesion on plastics materials | Wolfgang Fischer, Rudoph Hombach, Wilfried Kniege | 1986-08-12 |
| 4505860 | Cyclic keto-butyraldehydes a process for their preparation, and their use in the preparation of cyclic diisocyanates | Dieter Arlt, Rudolf Braden | 1985-03-19 |
| 4419297 | Preparation of nitriles from formamides | Dieter Arlt | 1983-12-06 |