Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4984899 | Agitator vessel with radially conveying agitator and with at least one baffle, as well as process for the thorough mixing of liquids with the aid of this agitator vessel | Franz-Michael Bollenrath | 1991-01-15 |
| 4618468 | Method for controlling bead size in the production of expandable styrene polymers by suspension polymerization | Horst Leithauser | 1986-10-21 |
| 4609512 | Process for controlling bead size in the manufacture of expandable styrene polymers by suspension polymerization | Dirk A. Reese, Horst Leithauser | 1986-09-02 |
| 4517314 | Fine particulate, expandable styrene polymers suitable for the production of rapidly mold-ejected cellular bodies | Dirk A. Reese | 1985-05-14 |
| 4497911 | Production of fine particulate, expandable styrene polymers with improved properties | Karl Trukenbrod, Franz-Michael Bollenrath | 1985-02-05 |
| 4497912 | Fine particulate, expandable styrene polymers suitable for the production of rapidly mold-ejected cellular bodies | Dirk A. Reese | 1985-02-05 |
| 4495224 | Method for preparing improved molding materials from coated fine particulate expandable styrene polymers and application of the coated products | Horst Leithauser, Heinz Osterhoff | 1985-01-22 |
| 4419458 | Fire retardant fine particulate expandable styrene polymers | Ekkehard Wienhofer, Horst Leithauser, Karl Trukenbrod | 1983-12-06 |
| 4418156 | Fire retardant fine particulate expandable styrene polymers | Ekkehard Wienhofer, Horst Leithauser, Karl Trukenbrod | 1983-11-29 |
| 4407977 | Fire retardant particulate expandable styrene polymers | Ekkehard Wienhofer, Horst Leithauser, Karl Trukenbrod | 1983-10-04 |
| 4393146 | Fire retardant fine particulate expandable styrene polymers | Ekkehard Wienhofer, Horst Leithauser, Karl Trukenbrod | 1983-07-12 |
| 4337319 | Self-extinguishing, fine particulate expandable styrene polymers | Hans-Josef Ratajczak, Horst Leithauser, Karl Trukenbrod | 1982-06-29 |
| 4286071 | Self-extinguishing fine particulate expandable styrene polymers | Hans-Josef Ratajczak, Horst Leithauser, Karl Trukenbrod | 1981-08-25 |
| 4255525 | Small particulate expandable styrene polymer molding compositions | Wolfgang Schafer, Horst Leithauser, Karl Trukenbrod, Werner Bollmann | 1981-03-10 |
| 4228244 | Process for preparing fine particle expandable styrene polymers containing small concentrations of organic bromine compounds | Horst Leithauser, Karl Trukenbrod, Werner Ogrzewalla | 1980-10-14 |