Patent application number | Description | Published |
20090160077 | AQUEOUS BINDER FOR FIBROUS OR GRANULAR SUBSTRATES - Aqueous binders for fibrous and granular substrates, based on itaconic acid copolymers. | 06-25-2009 |
20100209708 | CROSSLINKED CELLULOSE BEADS - Crosslinked cellulose beads or lignocellulose beads (referred to as beads for short), wherein at least 50% by weight of the beads have a particle diameter greater than 800 μm (21° C., 1 bar, determined by sieve analysis). | 08-19-2010 |
20100209709 | BINDER-CONSOLIDATED CELLULOSE BEADS - A binder-consolidated cellulose bead or lignocellulose bead (referred to as consolidated bead for short), obtainable by
| 08-19-2010 |
20100331222 | PROCESS FOR PRODUCING CELLULOSE BEADS FROM SOLUTIONS OF CELLULOSE IN IONIC LIQUID - Process for producing cellulose beads or lignocellulose beads, wherein cellulose or lignocellulose is dissolved in a solvent which comprises more than 50% by weight of the symmetrical imidazolium compound of the formula I below | 12-30-2010 |
20110015285 | FOAMABLE COPOLYMERS BASED ON RENEWABLE RAW MATERIALS - The invention relates to a process for the production of foamable copolymers, to foamable copolymers and to foamable polymer structures based on itaconic acid, mesaconic acid, fumaric acid, maleic acid, aconitic acid, and glutaconic acid. | 01-20-2011 |
20110172347 | AQUEOUS BINDERS GRANULATED AND/OR FIBROUS SUBSTRATES - Aqueous binders for granular and/or fibrous substrates comprising as active constituents
| 07-14-2011 |
20120208001 | AQUEOUS BINDER FOR GRANULAR AND/OR FIBROUS SUBSTRATES - Aqueous binders for granular and/or fibrous substrates are based on polyacids and polyols. | 08-16-2012 |
20120231162 | PROCESS FOR PRODUCING WATER-ABSORBING POLYMER PARTICLES WITH IMPROVED PERMEABILITY - The invention relates to a process for producing water-absorbing polymer particles with improved permeability, comprising the steps of polymerization, drying, grinding, classification and thermal surface postcrosslinking, with pneumatic conveying between grinding and classification. | 09-13-2012 |
20120245277 | AQUEOUS BINDERS FOR GRANULAR AND/OR FIBROUS SUBSTRATES - Aqueous binder for granular and/or fibrous substrates based on polyacids, polyols and basic nitrogen compounds. | 09-27-2012 |
20120302714 | Process for Producing Water-Absorbing Polymer Particles - A process for producing water-absorbing polymer particles by polymerizing an aqueous monomer solution in a kneader having at least two shafts in axially parallel rotation, wherein the reaction mixture is transported in axial direction and the region at the start of the kneader is trace-heated. | 11-29-2012 |
20130017945 | Process for Producing Water-Absorbing Polymer Particles with High Free Swell Rate - A process for producing water-absorbing polymer particles with high free swell rate by polymerizing a monomer solution or suspension comprising an ethylenically unsaturated monomer bearing acid groups, a crosslinker, an initiator and an ethylenically unsaturated ionic surfactant. | 01-17-2013 |
20130210947 | Water-Absorbing Polymer Particles with High Free Swell Rate and High Permeability - A process for producing water-absorbing polymer particles with high free swell rate and high permeability by polymerization of an aqueous monomer solution or suspension to give an aqueous polymer gel, wherein a thermal blowing agent essentially free of inorganic acid anions is mixed into the polymer gel, and subsequent thermal drying of the polymer gel. | 08-15-2013 |
20150065594 | PROCESS FOR PRODUCING WATER-ABSORBING POLYMER PARTICLES - A process for preparing water-absorbing polymer particles, comprising polymerisation of a foamed aqueous monomer solution or suspension, drying, grinding and classification, whereas the process further comprising adjusting the amount of foaming agent in the aqueous monomer solution by admixing the aqueous monomer solution with a foaming agent of 1% to 15% by weight based on the amount of ethylenically unsaturated monomer and keeping the solution on a pressure of 6 bar to 15 bar and then expanding the solution. | 03-05-2015 |