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Process for preparing isocyanates in dialkyl carbonates as solvent |
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Process for preparing isocyanates in dialkyl carbonates as solvent |
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Reactor and process for preparing phosgene |
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2014-09-02 |
| 8759585 |
Two-stage process for cost-effective deposition of homogeneous catalysts in MDA synthesis |
Markus Siegert, Torsten Mattke, Tilmann Steinmetz, Hans-Juergen Pallasch |
2014-06-24 |
| 8546606 |
Method for producing polyisocyanates |
Andreas Brodhagen, Martin Sohn, Eckhard Stroefer, Andreas Woelfert, Steffen Oehlenschlaeger |
2013-10-01 |
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Reactor and method for producing phosgene |
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2013-04-02 |
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Method for the continuous production of isocyanates |
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2010-12-14 |
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Separation of a substance mixture consisting of hydrogen chloride and phosgene |
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Method for separating out solvent from a reaction mixture resulting from an isocyanate synthesis and for purifying this solvent |
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| 6900348 |
Light isocyanates, method for producing them and use thereof |
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2005-05-31 |
| 6576788 |
METHOD FOR PRODUCING MIXTURES CONSISTING OF DIPHENYLMETHANE DIISOCYANATES AND POLYPHENYLENE-POLYMETHYLENE-POLYISOCYANATES CONTAINING A REDUCED AMOUNT OF CHLORINATED SECONDARY PRODUCTS AND WITH A REDUCED IODINE COLOR INDEX |
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2003-06-10 |
| 6489503 |
Storage stable methylene bis(phenylisocyanate) compositions |
Thirumurti Narayan, Anthony Lunato, Jon S. Speier, David D. Peters, Cynthia Loop |
2002-12-03 |
| 6120699 |
Storage stable methylene bis(phenylisocyanate) compositions |
Thirumurti Narayan, Anthony Lunato, Jon S. Speier, David D. Peters, Cynthia Loop |
2000-09-19 |
