| 6362347 |
Method for purifying phthalides |
Dieter Baumann, Hermann Putter |
2002-03-26 |
| 6315884 |
Method for producing phthalides |
Hermann Putter, Dieter Baumann |
2001-11-13 |
| 6245945 |
Selective hydrolysis of acetals or ketals in the presence of phthalides |
Andreas Weiper-Idelmann, Hermann Putter |
2001-06-12 |
| 6077414 |
Electrolytic plate stack cell |
Hermann Putter |
2000-06-20 |
| 6063256 |
Preparation of phthalides |
Hermann Putter |
2000-05-16 |
| 5507922 |
Preparation of benzaldehyde dialkyl acetals |
Dieter Hermeling, Hartwig Voss, Andreas Weiper-Idelmann |
1996-04-16 |
| 4990227 |
Preparation of hydroxycarboxylic esters |
Michael Steiniger |
1991-02-05 |
| 4814510 |
Novel benzaldehyde derivatives, their preparation, and their use |
Dieter Degner, Walter Gramlich |
1989-03-21 |
| 4759832 |
Preparation of biscarbamates and novel biscarbamates |
Dieter Degner |
1988-07-26 |
| 4661217 |
Preparation of carbamic acid esters |
Dieter Degner, Michael Steiniger |
1987-04-28 |
| 4562277 |
Process for the preparation of a bis-salicylidene-alkylene-diaminocobaltous ion complex |
Harald Laas, Peter Tavs, Manfred Stroezel |
1985-12-31 |
| 4539081 |
Preparation of benzaldehyde dialkyl acetals |
Dieter Degner, Hardo Siegel, Walter Gramlich |
1985-09-03 |
| 4441970 |
Electrochemical preparation of 2,5-dialkoxy-2,5-dihydrofurans |
Dieter Degner |
1984-04-10 |
| 4411746 |
Preparation of alkyl-substituted benzaldehydes |
Dieter Degner, Hans Roos |
1983-10-25 |
| 4298438 |
Preparation of 4-tert.-butylbenzaldehyde |
Dieter Degner, Hardo Siegel |
1981-11-03 |
