| 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 |