| Patent application number | Description | Published |
|---|
| 20080200721 | Mdi Production By Means of Liquid Phase and Gas Phase Phosgenation - The invention relates to a process for preparing isocyanates, which comprises the
| 08-21-2008 |
| 20080221366 | Method for the Hydrogenation of Mass Fluxes Containing Aldehyde - The present application relates to a process for reacting a composition I comprising at least one aldehyde with hydrogen in the presence of a catalyst in at least one main reactor and at least one postreactor, wherein at least 50% of the fresh hydrogen fed to the reaction system is fed into at least one postreactor. In a preferred embodiment, composition I comprises at least one further organic compound. | 09-11-2008 |
| 20080296145 | Method for Improving the Color Number - The present invention relates to a process for purifying a composition (I) at least comprising cyclododecanone. The process according to the invention for purifying a composition (I) at least comprising cyclododecanone comprises at least step (i)
| 12-04-2008 |
| 20090281357 | METHOD FOR THE PRODUCTION OF CYCLIC KETONES - The present invention relates to a process for preparing a cyclic ketone having from 7 to 16 carbon atoms, which comprises at least the steps
| 11-12-2009 |
| 20090318733 | METHOD FOR PURIFYING CYCLIC KETONES - The present invention relates to a process for purifying a composition (I) comprising at least one cyclic ketone having from 7 to 16 carbon atoms, which comprises thermal treatment of the composition (I) with a catalyst comprising at least one transition metal and further purification by means of a process selected from the group consisting of distillation, extraction and crystallization. Furthermore, the present invention relates to a process for preparing cyclododecanone, which comprises such a purification, and the use of at least one catalyst comprising at least one transition metal for purifying a composition (I) comprising at least one cyclic ketone having from 7 to 16 carbon atoms by thermal treatment of the composition (I) with a catalyst comprising at least one transition metal. | 12-24-2009 |
| 20090326276 | METHOD FOR THE PRODUCTION OF CYCLIC KETONES - The present invention relates to a process for preparing a cyclic ketone having from 7 to 16 carbon atoms, which comprises at least the steps | 12-31-2009 |
| 20090326277 | METHOD FOR PURIFYING CYCLIC KETONES - The present invention relates to a process for purifying a composition (I) comprising at least one cyclic ketone having from 7 to 16 carbon atoms, which comprises thermal treatment of the composition (I) with at least one acid and further purification by means of a process selected from the group consisting of distillation, extraction and crystallization, Furthermore, the present invention relates to a process for preparing cyclododecanone, which comprises such a purification, and the use of at least one acid for purifying a composition (I) comprising at least one cyclic ketone having from 7 to 16 carbon atoms by thermal treatment of the composition (I) with the acid. | 12-31-2009 |
| 20100190869 | PROCESS FOR THE ISOLATION OF DODECATRIENAL AND ITS USE AS AROMA SUBSTANCE - The present invention relates to a process for preparing at least one compound with Z−1 cycles and 7 to 16 carbon atoms with at least one aldehyde group, at least comprising the stages:
| 07-29-2010 |
| 20100191018 | PROCESS FOR PREPARING PURE CYCLODODECANONE - The present invention relates to a process for preparing at least one cyclic compound with Z cycles and 7 to 16 carbon atoms with a keto group, at least comprising the stages:
| 07-29-2010 |
| 20110046413 | PROCESS FOR PREPARING 4-PENTENOIC ACID - The present invention relates to a process for preparing 4-pentenoic acid, at least comprising the oxidation of a mixture (G) comprising 4-pentenal, 3-methyl-2-butanone and cyclopentene oxide, and to the use of a mixture (G) comprising 4-pentenal, 3-methyl-2-butanone and cyclopentene oxide for preparing 4-pentenoic acid. In the context of the present invention, the mixture (G) is preferably obtained as a by-product of the oxidation of cyclopentene to cyclopentanone by means of dinitrogen monoxide. | 02-24-2011 |
