Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6248839 | Mercapto-containing block copolymers having polymethacrylic acid and polyalkylene oxide repeating groups | Eberhard Esselborn, Arno Knebelkamp | 2001-06-19 |
| 5990245 | .alpha., .omega.-polymethacrylate glycols, methods for their synthesis and their use for the preparation of polymers, particularly polyurethanes and polyesters | Eberhard Esselborn | 1999-11-23 |
| 5744523 | Use of polyacrylate esters as dispersants | Michael Barkowsky, Dietmar Schaefer | 1998-04-28 |
| 5721321 | Polymethacrylic esters whose ester groups in position and differ from those in the chain | Arno Knebelkamp | 1998-02-24 |
| 5693848 | .alpha., .omega.-polymethacrylate dicarboxylic acids, their synthesis and use as dicarboxylic acid components for the synthesis or modification of polyesters, polyurethanes or polyepoxides | Eberhard Esselborn | 1997-12-02 |
| 5633325 | Polymethacrylate esters, the ester groups of which in the .alpha. and optionally also in the .omega. position differ from the ester groups in the chain | Eberhard Esselborn | 1997-05-27 |
| 5571872 | Polymethacrylate esters, the ester groups of which in the .alpha. and optionally also in the .omega. position differ from the ester groups in the chain | Eberhard Esselborn | 1996-11-05 |
| 5565520 | Polyolefins, polyolefin blends and elastomer-modified polyolefins with increased surface polarity | Günter Hähn, Arno Knebelkamp | 1996-10-15 |
| 5541261 | Polymethacrylate-polymethacrylic acid block copolymers | Arno Knebelkamp | 1996-07-30 |
| 5523373 | Polymethacrylate ester/polysiloxane block co-polymers method for theirsynthesis and their use as modifiers and as lacquer and varnish additives | Eberhard Esselborn | 1996-06-04 |
| 5484851 | Polyvinyl-polyoxyalkylene block copolymers | — | 1996-01-16 |
| 5447981 | (meth) acrylic acid polymer dispersion | Gotz Koerner, Karl-Heinz Reichert, Stephan Fengler, Roland Smolin | 1995-09-05 |
| 5338485 | Polyacrylate esters with long-chain hydrocarbon and polyoxyalkylene groups and their use as surface active substances | Eberhard Esselborn, Dietmar Schaefer | 1994-08-16 |
| 5296573 | Polyacrylate ester with long-chain alkoxylated hydrocarbonoxy groups and their use in cosmetics and personal grooming | Eberhard Esselborn, Gotz Koerner, Dietmar Schaefer | 1994-03-22 |
| 5145914 | Polyacrylate esters with ammonium salt groups | Eberhard Esselborn, Helmut Lammerting | 1992-09-08 |
| 5133898 | Manufacturing polyacrylate esters with long-chain hydrocarbon and polyoxyalkylene groups | Eberhard Esselborn, Dietmar Schaefer | 1992-07-28 |
| 5115039 | Polyacrylate esters with quaternary ammonium groups | Dietmar Schaefer, Eberhard Esselborn | 1992-05-19 |
| 5115040 | Polyacrylate esters with quaternary ammonium groups | Dietmar Schaefer, Eberhard Esselborn | 1992-05-19 |
| 5093376 | Method for the preparation of flexible polyester polyurethane foams | Volker Mohring, Volker Zellmer, Georg Burkhart, Hans-Heinrich Schlons | 1992-03-03 |
| 5087687 | Polyethers containing perfluoroalkyl groups, methods for their synthesis and their use as surfactants and as polyol components in the preparation of polyurethanes | Eberhard Esselborn | 1992-02-11 |
| 5086142 | Copolymer acting as thickening agent for aqueous preparations having a pH above 5.5, a method for its preparation and its use as a thickening agent | Eberhard Esselborn | 1992-02-04 |
| 5082868 | Method for the preparation of polyurethane foams | Georg Burkhart, Volker Mohring | 1992-01-21 |
| 5076844 | Perfluoroalkyl group-containing (meth-)acrylate esters, their synthesis and use in dental technology | Gunther Hahn, Gunter Wagerknecht | 1991-12-31 |
| 5057580 | Polyacrylate esters with quaternary ammonium groups | Dietmar Schaefer, Eberhard Esselborn | 1991-10-15 |
| 5057579 | Polyacrylate esters with quaternary ammonium groups | Dietmar Schaefer, Eberhard Esselborn | 1991-10-15 |