Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686542 | Process for the preparation of branched low-pressure polyethylene, new low-pressure polyethylenes, and preformed bifunctional catalysts | Karl-Heinz Aleksander Ostoja-Starzewski, Josef Witte, Karl-Heinz Reichert, Georgios Vasiliou | 1997-11-11 |
| 5616529 | Process for the preparation of branched low-pressure polyethylene, new low-pressure polyethylenes, and preformed bifunctional catalysts | Karl-Heinz Aleksander Ostoja-Starzewski, Josef Witte, Karl-Heinz Reichert, Georgios Vasiliou | 1997-04-01 |
| 5135988 | Process for the preparation of ethylene/vinyl acetate copolymers with reduced tendency to tackiness, new ethylene/vinyl acetate copolymers and their use | Kurt P. Meurer, Gerd Sylvester, Christian Ohm, Hugo Zimmermann | 1992-08-04 |
| 4873289 | Graft polymers and blends thereof with polyamides | Christian Lindner, Dieter Wittmann, Ludwig Trabert, Carlhans Suling, Karl-Heinz Ott | 1989-10-10 |
| 4794142 | Use of special ethylene-vinyl acetate-copolymers for the modification of PVC | Heinrich Alberts, Otto Billinger, Fritz Mietzsch | 1988-12-27 |
| 4783515 | Copolymers containing ethylene and .alpha.-cyanoacrylates | Helmut Waniczek, Jens Herwig | 1988-11-08 |
| 4780411 | Water-absorbing, essentially water-free membrane for reagent substrates and methods of preparing the same | Karl-Erwin Piejko, Bruno Bomer, Georg Frank | 1988-10-25 |
| 4755564 | Graft polymers | Christian Lindner, Ludwig Trabert, Karl-Heinz Ott | 1988-07-05 |
| 4691036 | Organic nickel compounds, the production thereof and the use thereof as polymerization catalysts | Karl-Heinz Aleksander Ostoja Starzewski, Josef Witte | 1987-09-01 |
| 4670516 | Copolymers based on maleic anhydride and .alpha., .beta.-unsaturated compounds a process for their preparation and their use as paraffin inhibitors | Gunter Sackmann, Jan Mazanek, Wolfgang Oberkirch | 1987-06-02 |
| 4620021 | Organic nickel compounds, production and use thereof as catalysts in the polymerization of olefins | Karl-Heinz Aleksander Ostoja Starzewski, Josef Witte | 1986-10-28 |
| 4602056 | Use of grafted ethylene-vinylacetate copolymers for the production of hotmelt adhesives | Helmut Waniczek, Gerhard Hohmann, Ludwig Mott | 1986-07-22 |
| 4522965 | Thermoplastic contact adhesives containing epoxide plasticizers | Helmut Waniczek, Gerhard Hohmann, Ludwig Mott | 1985-06-11 |
| 4506045 | Cellulose ester-aliphatic polycarbonate thermoplastic moulding compositions | Helmut Waniczek, Christian Lindner, Carlhans Suling, Walter Uerdingen | 1985-03-19 |
| 4501871 | Process for the production of anhydride-group- or carboxyl-group-containing graft copolymers of polysaccharide esters | Heinrich Alberts, Klaus Schuster | 1985-02-26 |
| 4465028 | Ignition improvers for internal combustion engines | Helmut Waniczek, Klaus Krüger | 1984-08-14 |
| 4460446 | Crosslinking of ethylene polymers | Hans Rudolph, Joachim Thormer | 1984-07-17 |
| 4395517 | Modified olefine polymers | Helmut Waniczek, Carlhans Suling, Christian Lindner | 1983-07-26 |
| 4360635 | Thermoplastic moulding compositions of cellulose ester graft copolymers or mixtures thereof with cellulose esters | Heinrich Alberts, Winfried Fischer, Christian Leuschke | 1982-11-23 |
| 4347341 | Process for the production of ethylene graft copolymers containing anhydride or carboxyl groups | Klaus Schuster | 1982-08-31 |
| 4329267 | Process for the preparation of ethylene-vinyl ester graft polymer dispersions | Klaus Riebel, Heinrich Alberts, Fritz Mietzsch, Ulrich Steffen | 1982-05-11 |
| 4297455 | Process for the preparation of carbonic acid aryl esters of polyester-diols lengthened via carbonate groups and their use for the preparation of polyester-diol bis-diphenol carbonates and polyester/polycarbonates | Christian Lindner, Carlhans Suling, Manfred Schreckenberg, Dieter Freitag, Klaus Konig | 1981-10-27 |
| 4280937 | Graft polymers of polysaccharide esters | Fritz Mietzsch | 1981-07-28 |
| 4272428 | Plasticized vinyl chloride polymer | Christian Lindner, Carlhans Suling, Dietrich Hardt, Karola Brudermanns | 1981-06-09 |
| 4256636 | Azo-di-isobutyric acid-(N,N-hydroxyalkyl)-amidines | Ernst Roos, Klaus Schuster, Adolf Schmidt | 1981-03-17 |