Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423856 | Process for preparing ester plasticizers | Helmut Springer, Klaus Dieter Merscher, Klaus Schimmer, Heinz Strutz | 2002-07-23 |
| 5319131 | .alpha.-fluoroacrylic acid esters and polymers thereof | Gunter Siegemund, Werner Groh, Gerhard Wieners, Peter Herbrechtsmeier | 1994-06-07 |
| 5283303 | Transplant thermoplastic molding compound made of 2,3-difluoroacrylic acid esters | Werner Groh, Peter Herbrechtsmeier, Jurgen Theis, Gerhard Wieners | 1994-02-01 |
| 5266668 | Substituted phenyl .alpha.-fluoroacrylates | Peter Herbrechtsmeier, Gunter Siegemund, Werner Groh | 1993-11-30 |
| 5239027 | Transparent thermoplastic molding composition, process for its preparation and its use | Werner Groh, Gerald Schutze, Roland Stern, Gerhard Wieners | 1993-08-24 |
| 5198925 | .alpha.-fluoroacrylic acid esters and polymers thereof | Gunter Siegemund, Werner Groh, Gerhard Wieners, Peter Herbrechtsmeier | 1993-03-30 |
| 5187769 | Transparent thermoplastic molding composition, process for its preparation and its use | Werner Groh, Gerald Schutze, Roland Stern, Gerhard Wieners | 1993-02-16 |
| 5175790 | Transparent thermoplastic molding compound made of 2,3-difluoroacrylic acid esters | Werner Groh, Peter Herbrechtsmeier, Jurgen Theis, Gerhard Wieners | 1992-12-29 |
| 5129031 | Core/shell optical waveguides with cores comprising halogenated phenyl acrylate or methacrylate | Gerhard Wieners, Jochen Coutandin, Werner Groh, Peter Herbrechtsmeier | 1992-07-07 |
| 5114546 | Process for the preparation of fluorinated acrylic acids and derivatives thereof | Steffen Dapperheld, Manfred Wildt | 1992-05-19 |
| 5032654 | Transparent polymer material | Gerhard Wieners, Jochen Coutandin, Werner Groh, Peter Herbrechtsmeier | 1991-07-16 |
| 4950367 | Process for the preparation of fluoromalonic acid and its derivatives | Steffen Dapperheld | 1990-08-21 |
| 4863236 | Optical waveguide with an essentially fluorine-free polymer core and a fluorine-containing polymer jacket | Peter Herbrechtsmeier, Manfred Fleissner, Werner Groh, Gerhard Wieners | 1989-09-05 |
| 4800012 | Electrochemical process for the replacement of halogen atoms in an organic compound | Steffen Dapperheld, Manfred Wildt | 1989-01-24 |