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Andreas Woelfert, Bad Rappenau DE
Andreas Woelfert, Bad Rappenau DE
| Patent application number | Description | Published |
|---|---|---|
| 20090281350 | METHOD FOR PRODUCING ISOCYANATES - The invention provides a process for preparing isocyanates by reacting amines with phosgene, wherein the amine or a mixture of amine and a solvent is mixed in the form of an aerosol with gaseous phosgene and the amine is subsequently reacted with phosgene. | 11-12-2009 |
| 20090292098 | METHOD FOR PRODUCING COLOURLESS POLYISOCYANATES THAT CONTAIN BIURET GROUPS AND ARE STABLE IN STORAGE - The present invention relates to a process for the preparation of colorless, storage-stable polyisocyanates containing biuret groups from di- or polyisocyanates using water and/or steam as a biuretizing agent, and an apparatus for this purpose and the use thereof. | 11-26-2009 |
| 20100041914 | METHOD FOR THE PRODUCTION OF ISOCYANATES - The present invention relates to a process for preparing isocyanates. | 02-18-2010 |
| 20100041915 | METHOD FOR PRODUCING ISOCYANATES - The present invention relates to a process for preparing diisocyanates from diamines and phosgene in the gas phase. | 02-18-2010 |
| 20100056822 | METHOD FOR PRODUCING ISOCYANATES - The invention relates to a process for preparing isocyanates in the gas phase. | 03-04-2010 |
| 20100076218 | METHOD FOR PRODUCING ISOCYANATES - The invention relates to a process for preparing isocyanates in the gas phase. | 03-25-2010 |
| 20100217035 | PROCESS FOR PREPARING ISOCYANATES - The present invention relates to a process for preparing diisocyanates from diamines and phosgene in the gas phase. | 08-26-2010 |
| 20110263894 | METHOD FOR COMPRESSING GASES CONTAINING HYDROGEN SULFIDE - A process for compressing a hydrogen-sulfide-comprising gas stream, which comprises | 10-27-2011 |