Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806385 | Rectification of (meth)acrylic acid with the addition of a tenside | Ulrich Hammon, Gerhard Nestler | 2004-10-19 |
| 6617470 | Method for esterifying (meth)acrylic acid with an alkanol | Heinrich Aichinger, Gerhard Nestler, Jürgen Schröder, Stefan Beckmann | 2003-09-09 |
| 6568406 | Method of cleaning plant parts for the preparation or processing of (meth)acrylic esters | Heinrich Aichinger, Gerhard Nestler, Jürgen Schröder | 2003-05-27 |
| 6518452 | Process for stabilizing (METH)acrylic acid esters against unwanted radical polymerization | Heinrich Aichinger, Gerhard Nestler | 2003-02-11 |
| 6512138 | Preparation of (meth)acrylates | Albrecht Dams, Heinrich Aichinger, Gerhard Nestler, Jürgen Schröder | 2003-01-28 |
| 6472554 | Continuous preparation of alkyl esters of (meth) acrylic acid | Petra Deckert | 2002-10-29 |
| 6395140 | Method for producing (meth)acrylic acid | Gerhard Nestler, Ulrich Hammon | 2002-05-28 |
| 6353130 | Method for continuous production of (meth)acrylic alkyl esters | Heinrich Aichinger, Gerhard Nestler, Jürgen Schröder | 2002-03-05 |
| 6228227 | Separation of (meth)acrylic acid by rectification | Gerhard Nestler, Jerry Darlington, Ulrich Hammon | 2001-05-08 |
| 6207022 | Purification of crude (meth) acrylic acid | Toni Dockner, Gerhard Nestler, Helmut Lermer, Hans Martan, Herbert Vogel +1 more | 2001-03-27 |
| 6072076 | Continuous preparation of alkyl esters of (meth)acrylic acid | Willi Schmidt, Matthias Geisendorfer, Alexander Weck, Toni Dockner, Gerhard Nestler | 2000-06-06 |
| 5961790 | Separation of (meth) acrylic acid by rectification | Gerhard Nestler, Jerry Darlington, Ulrich Hammon | 1999-10-05 |
| 5945560 | Continuous preparation of alkyl esters of (meth) acrylic acid | Gabriele Iffland, Albrecht Dams, Alexander Weck, Heinrich Aichinger, Gerhard Nestler +1 more | 1999-08-31 |
| 5922244 | 4-acylaminopiperidin-N-oxyle | Andreas Koch, Alexander Aumuller, Konrad Mitulla, Gregor Tremmel | 1999-07-13 |
| 5910603 | Esterification of (meth)acrylic acid with an alkanol | Heinrich Aichinger, Matthias Geisendorfer, Gerhard Nestler | 1999-06-08 |
| 5883288 | Continuous preparation of alkyl esters of (meth)acrylic acid | Gabriele Iffland, Albrecht Dams, Alexander Weck, Heinrich Aichinger, Gerhard Nestler +4 more | 1999-03-16 |
| 5855743 | Process of isolation of (Meth) acrylic acid | Ulrich Hammon | 1999-01-05 |
| 5637222 | Process for the fractional separation of (meth)acrylic acid from a mixture containing (meth)acrylic acid | Gerhard Nestler, Ulrich Hammon | 1997-06-10 |
| 5482597 | Purification of crude (meth)acrylic acid | Gerhard Nestler, Jerry Darlington, Hans Martan | 1996-01-09 |