Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6039093 | Adapter for extracting a liquid from a container closed with a stopper | Bernd Graf, Ingoberth Schonke | 2000-03-21 |
| 5176942 | Process for manufacturing fiber-reinforced base materials for the electrical industry based on epoxy resin and imidazole-acrylic acid adduct curing agents | Christian Burba | 1993-01-05 |
| 5175219 | Imidazolyl derivatives, their use as curing agents in epoxy-resin compositions, and curable epoxy-resin compositions and molded epoxy-resin articles incorporating said imidazolyl derivatives | Christian Burba | 1992-12-29 |
| 5175220 | Imidazolyl derivatives, their use as curing agents in epoxy-resin compositions, and curable epoxy-resin compositions and molded epoxy-resin articles incorporating said imidazolyl derivatives | Christian Burba | 1992-12-29 |
| 5155182 | Imidazolyl derivatives, their use as curing agents in epoxy-resin compositions, and curable epoxy-resin compositions and molded epoxy-resin articles incorporating said imidazolyl derivatives | Christian Burba | 1992-10-13 |
| 5106443 | Process for the manufacture of pipe from composite materials based on epoxy resins and 1,7-bis-(1-(2'-aminoethyl)-1,3-diaza-2-cyclopenten-2-yl)heptane | Christian Burba, Herbert Franz, Alwin Krotzek | 1992-04-21 |
| 5080740 | Process for the fabrication of fiber-reinforced wound structures from epoxy resins and 3-(1-(2'-aminoethyl)-1,3-diaza-2-cyclopenten-2-yl)heptane and/or (1-(2'-aminoethyl)-1,3-diaza-2-cyclopenten-2-yl)-2,4,4-trimethyl-1-penta ne | Christian Burba, Herbert Franz, Alwin Krotzek | 1992-01-14 |
| 4968767 | Substituted 3-(n-imidazolyl)propionic hydrazides, their use as curing agents in epoxy-resin compositions, and curable epoxy-resin compositions and molded epoxy-resin articles incorporating them | Christian Burba | 1990-11-06 |
| 4968732 | Imidazolyl-urea compounds and their use as cure accelerators in epoxy resin compositions for the production of moldings | Christian Burba | 1990-11-06 |
| 4931529 | Imidazolyl-urea compounds and their use as cure accelerators in epoxy resin compositions | Christian Burba | 1990-06-05 |