| 8580775 |
Use of derivatives of sinapinic acid and compositions comprising such derivatives |
Philippe Moussou, Louis Danoux, Andreas Rathjens |
2013-11-12 |
|
| 7582600 |
Use of unsaturated ketones as a perfume |
Volker Porrmann, Frank Rittler |
2009-09-01 |
|
| 7537933 |
Method for determining the enantiomer ratio trimethylcyclopentene derivatives |
Armin Mosandl, Steffi Bilke |
2009-05-26 |
|
| 7476647 |
Ether lactone |
Alfred Westfechtel, Volker Porrmann |
2009-01-13 |
$50,000 |
| 7259135 |
Use of hexenal derivatives as perfumes |
Marc Speitkamp, Frank Rittler |
2007-08-21 |
$135,000 |
| 7169749 |
Method for producing alkyl-substituted butenols |
Lothar Friesenhagen, Stephan Heck, Norbert Klein, Gerrit Pelzer, Markus Schneider |
2007-01-30 |
$58,000 |
| 7129205 |
Dimethylbenzene derivatives |
Werner Faber, Theo Ten Pierik |
2006-10-31 |
|
| 7060668 |
2,3, 5, 5-tetramethylhexanal derivatives |
Volker Porrmann |
2006-06-13 |
$11,000 |
| 6933270 |
3,3-Dimethylcyclohexane derivatives |
Ralph Nemitz, Theo Ten Pierik |
2005-08-23 |
$19,000 |
| 6867175 |
Trimethyldecenyl compounds |
Theo Ten Pierik, Werner Faber |
2005-03-15 |
$26,000 |
| 6864225 |
Cyclic ketals, fragrance compositions containing the same and methods of using the same |
Theo Ten Pierik, Werner Faber |
2005-03-08 |
$14,000 |
| 6632787 |
Carbonyl compounds, methods of making the same, and their use as fragrances and fragrance-enhancing additives |
Ute Lemke, Elke Veit, Theo Ten Pierik, Ralph Nemitz, Volker Porrmann +1 more |
2003-10-14 |
|
| 6555517 |
Methods of providing a fragrance to a composition and methods of enhancing fragrances using cyclooctadiene hydroformylation products |
Volker Porrmann, Theo Ten Pierik |
2003-04-29 |
|
| 6541446 |
Methods of providing a fragrance to a composition and methods of enhancing fragrances using (di)methyl-substituted cycloot(adi)ene hydroformylation products |
— |
2003-04-01 |
|
| 6541445 |
Utilization of tricyclic aldehydes as odoriferous agents |
— |
2003-04-01 |
|
| 6537963 |
Methods of providing a fragrance to a composition and methods of enhancing fragrances using bicyclo[3.3.0]-oct(adi)ene hydroformylation products |
— |
2003-03-25 |
|
| 6451758 |
Aldehyde mixtures, compositions containing the same and methods of providing fragrance using the same |
Theo Ten Pierik |
2002-09-17 |
|
| 6376457 |
Phenoketals and the use thereof as odoriferous substances |
Ralph Nemitz |
2002-04-23 |
|
| 6313354 |
Method for producing aromatic aldehydes |
Ralph Nemitz |
2001-11-06 |
|
| 6297390 |
Method for preparing optically active 5-methyl-2-(1-methyl-butyl)-5-propyl-1,3-dioxan |
Dirk Merkel, Hans-Josef Altenbach |
2001-10-02 |
|
| 6028231 |
Process for preparing 2-methyl-4-(2,2,3-trimethyl-cyclopent-3-en-1-yl)-but-2-en-1-ol |
— |
2000-02-22 |
|
| 5932771 |
Carbonyl compounds |
Ulf-Armin Schaper, Volker Porrmann, Werner Faber, Theo Ten Pierik |
1999-08-03 |
$22,057,000 |
| 5811560 |
Process for the production of 8.alpha., 12-oxido-13, 14,15,16-tetranorlabdane |
Georg Knuebel, Andreas Bomhard |
1998-09-22 |
|
| 5688976 |
Process for the production of 8 .alpha., 12-oxido-13,14,15,16-tetranorlabdane |
Georg Knuebel, Andreas Bomhard, Ulf-Armin Schaper, Theo Stalberg |
1997-11-18 |
|
| 5670670 |
Process for the production of 8 .alpha., 12-oxido-13,14,15,16-tetranorlabdane |
Georg Knuebel, Andreas Bomhard, Ulf-Armin Schaper, Theo Stalberg |
1997-09-23 |
|