Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376740 | Preparation of copolymers of ethylene with acrylates or acrylic acid | Siegfried Schiller, Gerhard Arnold | 1994-12-27 |
| 5376739 | Preparation of copolymers of ethylene with acrylic esters | Gerhard Arnold, Siegfried Schiller, Herbert Mueller | 1994-12-27 |
| 4996026 | Separation system and reducing the emission of solids in pressure relief processes in high pressure polymerization reactors | Friedrich Kanne, Hans Glomb, Gerhard Arnold, Klaus Boettcher, Siegfried Kursawe | 1991-02-26 |
| 4804725 | Reduction of the emission of hydrocarbons in pressure-reduction processes in high pressure polymerization reactors | Friedrich Kanne, Franz G. Mietzner, Siegfried Kursawe, Klaus Boettcher, Gerhard Arnold | 1989-02-14 |
| 4794004 | Preparation of copolymers of ethylene with vinyl esters in a tubular reactor at above 500 bar | Klaus Boettcher, Oskar Buechner, Friedrich Kanne, Siegfried Kursawe | 1988-12-27 |
| 4788265 | Preparation of copolmers of ethylene with acrylic acid esters in a tubular reactor at above 500 bar | Klaus Boettcher, Oskar Buechner, Friedrich Kanne, Siegfried Kursawe, Wieland Zacher | 1988-11-29 |
| 4579918 | Preparation of copolymers of ethylene with carboxyl-containing comonomers in a 2-zone reactor under more than 500 bar | Werner Metzger, Franz Brandstetter, Klaus Boettcher | 1986-04-01 |
| 4260722 | Production of ethylene copolymers | Wieland Zacher, Klaus Boettcher, Ronald Skorczyk, Oskar Buechner, Franz G. Mietzner | 1981-04-07 |
| 4217431 | Manufacture of ethylene copolymers | Wieland Zacher, Klaus Boettcher, Ronald Skorczyk, Oskar Buechner | 1980-08-12 |