Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4551263 | Triazolidine-3,5-diones as activators for per-compounds | Karl-Wolfgang Schellhammer, Ludwig Rottmaier, Ulrich Schimmel | 1985-11-05 |
| 4546162 | Polyamidoimides prepared from trimelitic acid anhydride, isocyanates and either lactams or polyamides using a mixture of diisocyanatodiphenylmethane and tolylene diisocyanates | Wilfried Zecher, Willi Dunwald, Klaus Reinking | 1985-10-08 |
| 4542074 | Surface metallized semiconductors | Kirkor Sirinyan, Gerhard D. Wolf, Henning Giesecke, Uwe Claussen, Harold Ebneth | 1985-09-17 |
| 4535032 | Black-metallized substrate surfaces | Kirkor Sirinyan, Henning Giesecke | 1985-08-13 |
| 4520147 | Flame-prooved polyamide moulding materials | Rolf Dhein, Ludwig Rottmaier, Wolfgang Siebourg | 1985-05-28 |
| 4517353 | Process for preparation of hydantoin esters through a masked polyisocyanate-carbodiimide route | Wilfried Zecher, Willi Dunwald | 1985-05-14 |
| 4515974 | Process for the preparation of fumaric acid monoesters | Wilfried Zecher | 1985-05-07 |
| 4508780 | Metallized polymer granules, and their use | Kirkor Sirinyan | 1985-04-02 |
| 4493861 | Process for activating substrate surfaces for currentless metallization | Kirkor Sirinyan, Henning Giesecke, Gerhard D. Wolf, Harold Ebneth | 1985-01-15 |
| 4488987 | Doped polymeric organic electrical conductors and a process for their manufacture | Jurgen Hocker, Rolf Dhein | 1984-12-18 |
| 4481312 | Sheet structures and fibers containing burr-shaped or fibrous, doped polyacetylene particles and process for the production thereof | Jurgen Hocker, Bernd Willenberg | 1984-11-06 |
| 4472567 | Process for the production of polyamide imides | Wilfried Zecher, Willi Dunwald | 1984-09-18 |
| 4472458 | Process for the production of metallized semiconductors | Kirkor Sirinyan, Gerhard D. Wolf, Henning Giesecke, Uwe Claussen, Harold Ebneth | 1984-09-18 |
| 4467099 | Glycidyl-1,2,4-triazolidine-3,5-diones | Henning Giesecke, Ludwig Rottmaier | 1984-08-21 |
| 4456715 | Flameproof polyamide moulding compositions | Ludwig Rottmaier, Wolfgang Siebourg, Burkhard Lachmann | 1984-06-26 |
| 4447583 | Oxidized polyacetylene and a process for the preparation thereof | Jurgen Hocker, Rolf Dhein | 1984-05-08 |
| 4433085 | Triazolidine-3,5-dione/formaldehyde/amine condensates and compositions thereof | Ludwig Rottmaier | 1984-02-21 |
| 4433144 | Glycoluril salts and a process for the preparation thereof | Ludwig Rottmaier | 1984-02-21 |
| 4429135 | Process for the production of 1,2,4-triazolidine-3,5-diones monosubstituted in the 4-position | Henning Giesecke, Ludwig Rottmaier | 1984-01-31 |
| 4409347 | Flame-proof polyamide moulding compositions | Ludwig Rottmaier, Milan-Josef Tima, Dietrich Michael | 1983-10-11 |
| 4396736 | Flame-proofed polyamide moulding materials | Rolf Dhein, Ludwig Rottmaier, Wolfgang Siebourg | 1983-08-02 |
| 4386213 | Di- and Oligo-1,2,4-triazolidine-3,5-diones and processes for their production | Henning Giesecke, Ludwig Rottmaier | 1983-05-31 |
| 4384090 | Process for producing polyacetylene | Jurgen Hocker, Wolfgang Wieder, Josef Witte | 1983-05-17 |
| 4384122 | Process for the production of imidazolidine triones | Wilfried Zecher | 1983-05-17 |
| 4377694 | Hydroxyalkyl-1,2,4-triazolidine-3,5-diones and a process for their production | Henning Giesecke, Ludwig Rottmaier | 1983-03-22 |