| 6207022 |
Purification of crude (meth) acrylic acid |
Toni Dockner, Gerhard Nestler, Holger Herbst, Hans Martan, Herbert Vogel +1 more |
2001-03-27 |
| 5663421 |
Separation of a diester of (meth)acrylic acid with a C.sub.4 -C.sub.6 -alkanediol |
Toni Dockner, Ulrich Rauh, Gerhard Nestler |
1997-09-02 |
| 5637760 |
Preparation of 1,4-butanediol mono(meth)acrylate by esterification of (meth)acrylic acid with 1,4-butanediol, in which an aqueous solution of unconverted 1,4-butanediol is obtained |
Toni Dockner, Klaus Bittins, Gerhard Nestler, Gundo Brauch |
1997-06-10 |
| 5618971 |
Separation of a mono(meth)acrylate of a C.sub.4 -C.sub.6 alkanediol from an aqueous solution containing a mono(methacrylate) of a C.sub.4 -C.sub.6 alkanediol and the said C.sub.4 -C.sub.6 alkanediol |
Toni Dockner, Ulrich Rauh, Gerhard Nestler |
1997-04-08 |
| 5239120 |
Preparation of 2-(3-aminopropyl)-cycloalkylamines |
Franz Merger, Claus-Ulrich Priester, Gerhard Koppenhoefer, Wolfgang Harder, Tom Witzel +1 more |
1993-08-24 |
| 5118864 |
Preparation of cyclopentenones |
Franz Merger, Tom Witzel, Hans Horler |
1992-06-02 |
| 5015785 |
Preparation of mixtures of isomeric cresols with a molar ratio of para- to meta-cresol of at least 0.6:1 to 10:1 |
Werner Steck, Matthias Schwarzmann, Toni Dockner |
1991-05-14 |
| 5002639 |
Separation of ortho-, meta- and para-tolunitrile from ternary mixtures of the isomers |
Werner Steck, Harald Rust, Fritz Naeumann |
1991-03-26 |
| 4980511 |
Preparation of aldehydes and/or ketones BU conversion of epoxides |
Wolfgang Hoelderich, Norbert Goetz, Leopold Hupfer |
1990-12-25 |
| 4967013 |
Preparation of hydroxybenzaldehydes |
Werner Steck, Harald Rust, Gerhard Fritz, Hardo Siegel |
1990-10-30 |
| 4939280 |
Conversion of 1,3-dioxanes to 4-oxaaldehydes |
Wolfgang Hoelderich, Franz Merger |
1990-07-03 |
| 4822920 |
Preparation of cyclopentanone |
Wolfgang Hoelderich, Matthias Schwarzmann |
1989-04-18 |
