| Patent application number | Description | Published |
| 20080217158 | Method for Obtaining Cyclododecatriene by Evaporation - Process for recovering cyclododecatriene (CDT) from a solution comprising CDT and high boilers such as deactivated catalyst and polymers, which comprises feeding the solution into a preheater and heating it, subsequently depressurizing it through a downstream pressure maintenance device and feeding the resulting two-phase mixture into a helical tube evaporator and there reducing the CDT content of the liquid phase by partial evaporation and discharging a gaseous product stream having an increased concentration of CDT. | 09-11-2008 |
| 20080255393 | Method for Purifying and Concentrating Dinitrogen Monoxide - The present invention relates to a process for purifying a gas mixture comprising dinitrogen monoxide and to the use of a gas mixture purified in this way as an oxidant for olefins. In a further embodiment, the present invention also relates to a process for preparing ketones comprising the oxidation of an olefin with a gas mixture which has been purified in accordance with the invention and comprises dinitrogen monoxide. | 10-16-2008 |
| 20080275276 | Method for Producing Cyclododecanone - A process for preparing cyclododecanone by reacting cyclododecene with dinitrogen monoxide, comprising in particular steps (I) and (II):
| 11-06-2008 |
| 20090247779 | METHOD FOR PRODUCING 3-PENTENENITRILE BY MEANS OF THE HYDROCYANATION OF 1,3-BUTADIENE - A method for producing 3-pentenenitrile by means of the hydrocyanation of 1,3-butadiene, which comprises the following process steps:
| 10-01-2009 |
| 20100179352 | PROCESS FOR THE PREPARATION OF CYCLOPENTANONE - The invention relates to a method for producing cyclopentanone. Said method comprises the step of reacting a mixture (G1), which contains at least cyclopentene, with a mixture (G2), which contains at least dinitrogen monoxide. The reaction is carried out in at least one reactor (R1) having channels with a diameter in the range of 0.1 mm to 50 mm, the reactor comprising at least two zones (Z1) and (Z2) having channels with different diameters and the diameters of the channels of zone (Z1) being smaller than the diameter of the channels of zone (Z2). | 07-15-2010 |
| 20110152576 | PROCESS FOR PREPARING CYCLIC KETONES - The present invention relates to a process for preparing at least one monocyclic ketone having from 4 to 20 carbon atoms by reacting a mixture G | 06-23-2011 |