| Patent application number | Description | Published |
|---|
| 20080234398 | Monodisperse weakly acidic cation exchangers - The present invention relates to a process for producing novel monodisperse cation exchangers of the poly(meth)acrylic acid type, the ion exchangers themselves, and also use thereof and to the use of intermediate products as supports for enzymes and the systems resulting therefrom as enzyme catalysts for the preparation of fuels and in transesterification reactions and esterification reactions. | 09-25-2008 |
| 20080255258 | Method For the Production of Monodispersed Pearl Polymers Containing Acrylic - The present invention relates to a method for the production of monodisperse acrylic-containing bead polymers, preferably having a particle size of 5 to 500 μm, and also to their functionalization to give ion exchangers. | 10-16-2008 |
| 20090057231 | MONODISPERSE BORON-SELECTIVE RESINS - The present invention relates to macroporous, monodisperse boron-selective ion exchangers having improved boron uptake kinetics and improved boron capacity, containing N-methylglucamine structures, having a median diameter D between 550 and 750 μm and a volumetric fraction of beads between 0.9 D and 1.1 D of at least 75%. | 03-05-2009 |
| 20090156798 | PROCESS FOR PRODUCING CATION EXCHANGERS - Strongly acidic cation exchangers with high mechanical, osmotic and oxidation stability can be prepared by sulfonating bead polymers formed from one or more vinylaromatic monomer(s), one or more crosslinker(s) and from 0.2 to 20% by weight of one or more vinyl ethers and/or vinyl esters. | 06-18-2009 |
| 20110089116 | METHOD FOR IMPROVED REMOVAL OF CATIONS BY MEANS OF CHELATING RESINS - The present invention relates to a method for improved removal of cations, preferably alkaline earth metals, in particular calcium and barium, from aqueous solutions using chelating resins having aminomethylphosphonic acid groups and iminodimethylphosphonic acid groups having high dynamic absorption capacity for cations at a low residual content of the cations and high regeneration efficiency, and a markedly lengthened loading duration of the chelating resin, to the chelating exchangers themselves, and also to uses thereof. | 04-21-2011 |
| 20110108488 | BORON-SELECTIVE RESINS - The present invention relates to boron-selective resins containing glucamide structures, a method for production thereof and also use thereof for removing boron from liquids, preferably from seawater, drinking water or process waters in or from the electronics industry. | 05-12-2011 |
| 20110132844 | METHOD FOR IMPROVED REMOVAL OF CATIONS BY MEANS OF CHELATING RESINS - The present invention relates to a method for improved removal of cations, preferably alkaline earth metals, in particular calcium and barium, from aqueous solutions using chelating resins having acetic acid and/or iminodiacetic acid groups having high dynamic absorption capacity for cations at a low residual content of the cations and high regeneration efficiency, to the chelating exchangers themselves, and also to uses thereof. | 06-09-2011 |
| 20110278493 | NON-AGGLOMERATING MIXED BED ION EXCHANGERS - The invention relates to a process for producing non-agglomerating mixed bed ion exchangers or mixed bed components. | 11-17-2011 |
