Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820580 | Process for the production of a composite system of a highly elastic material and a polyurethane foam layer and product formed thereby | Jurgen Hocker, Jurgen Faehndrich, Kirkor Sirinyan, Dieter Wecker | 1989-04-11 |
| 4420225 | Lens of a homo- or copolymer of a fluorine containing styrene polymer | Bruno Bomer, Carlhans Suling, Joachim Konig, Carl Heynemann, Raimund Weber | 1983-12-13 |
| 4250292 | Process for the preparation of polyurethane elastomers in which at least two reactant portions are introduced into separate positions of a screw machine | Georg Niederdellmann, Wilhelm Goyert, Ernst Meisert, Alfred Eitel, Hans Wagner | 1981-02-10 |
| 4225698 | Optical components consisting of aromatic polyesters molded in the form of an optical lens | Harald Medem, Dieter Freitag, Carl Heynemann | 1980-09-30 |