Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428866 | Multilayer plastic composition having an electrically conductive inner layer | Hans Ries, Stefan Roeber | 2002-08-06 |
| 6090459 | Multilayer plastic composition having an electrically conductive inner layer | Hans Ries, Stefan Roeber | 2000-07-18 |
| 5554426 | Multilayer plastic pipe | Stefan Rober, Hans Ries | 1996-09-10 |
| 5512342 | Multilayer plastic pipe | Stefan Rober, Michael Boer, Roland Feinauer, Hans-Dieter Herrmann, Hans Ries | 1996-04-30 |
| 5510160 | Thermoplastic multilayer composites | Stefan Rober | 1996-04-23 |
| 5500263 | Multilayer plastic pipe | Stefan Rober, Michael Boer, Roland Feinauer, Hans-Dieter Herrmann, Hans Ries | 1996-03-19 |
| 5484848 | Process for the production of a composite article of a polyamide and an elastomer | Friedrich Georg Schmidt, Horst Heuer | 1996-01-16 |
| 5474822 | Multilayer plastic pipe | Stefan Rober, Michael Boer, Roland Feinauer, Hans-Dieter Herrmann, Hans Ries | 1995-12-12 |
| 5472784 | Thermoplastic multilayer composites | Stefan Rober, Roland Feinauer | 1995-12-05 |
| 5449024 | Multilayer plastic pipe | Stefan Rober, Roland Feinauer, Hans-Dieter Herrmann, Joachim Mugge, Hans Ries | 1995-09-12 |
| 5389410 | Thermoplastic multilayer composites of polyamide and linear crystalline polyester blends | Joachim Mugge, Stefan Rober | 1995-02-14 |
| 5362529 | Thermoplastic laminates | Joachim Mugge, Stefan Rober, Roland Feinauer | 1994-11-08 |
| 5362570 | Thermoplastic multilayer composites | Stefan Rober, Joachim Mugge | 1994-11-08 |
| 5313987 | Multilayer plastic pipe comprising an outer polyamide layer and a layer of a molding formed from a mixture of thermoplastic polyester and a compound having at least two isocyanate groups | Stefan Rober, Joachim Mugge, Roland Feinauer, Hans-Dieter Herrmann, Hans Ries | 1994-05-24 |
| 5153076 | Method of preparing a chemical composition comprised of molding compounds based on polyphenylene ethers and sulfur-vulcanizable rubbers containing double bonds | Klaus Richter | 1992-10-06 |
| 5132182 | Process for chemically bonding molding compositions based on aliphatic polyamides to rubbers containing carboxyl groups and the materials produced by this process | Thomas Grosse-Puppendahl, Klaus Richter, Christian Gerth | 1992-07-21 |
| 5122420 | Components made from continuous fiber reinforced polyamide molding compositions and rubber, and a process for their preparation | Christian Baron, Thomas Grosse-Puppendahl, Klaus Richter | 1992-06-16 |
| 5102489 | Method of covulcanizing polyesters and EP(D)M rubbers | Thomas Grosse-Puppendahl, Friedrich Georg Schmidt | 1992-04-07 |
| 4970257 | Self-extinguishing, halogen-free thermoplastic molding compounds | Friedrich Georg Schmidt, Horst Beyer | 1990-11-13 |
| 4948838 | Thermoplastic molding materials | Martin Bartmann | 1990-08-14 |
| 4931504 | Thermoplastic compositions based on polyphenylene ethers and styrene-butadiene polymers produced by emulsion polymerization | Wilfried Ribbing, Roland Feinauer | 1990-06-05 |
| 4921762 | Process for producing a chemical bond between molding materials based on polyphenylene ethers on the one hand and peroxide vulcanized EP(D)M rubbers on the other hand | Thomas Grosse-Puppendahl, Klaus Richter | 1990-05-01 |
| 4835063 | Parts based on polyphenylene ethers and rubbers as well as methods for their production | Guenter Beckmann, Roland Streck, Klaus Richter, Wolfgang Schafer | 1989-05-30 |
| 4816345 | Component parts comprised of polyphenylene ethers and elastomeric thermoplastically processible styrene-containing block copolymers, and process for producing the same | Klaus Richter | 1989-03-28 |
| 4800120 | Structural components made from a fibrous reinforcing support and rubber and methods for their manufacture | Klaus Richter | 1989-01-24 |