| Patent application number | Description | Published |
|---|
| 20080221282 | Polymerization Process - The invention relates to a process for continuously preparing water-absorbing polymer particles by mixing a monomer solution with a redox initiator consisting of at least one oxidizing agent and at least one reducing agent and polymerizing it, wherein the monomer solution is mixed with at least one oxidizing agent upstream of the polymerization reactor and the at least one reducing agent is metered into the polymerization reactor, and also to an apparatus for performing the process. | 09-11-2008 |
| 20100004418 | Method for the Production of Superabsorbers - Superabsorbents are produced by polymerization in the presence of at least one unsaturated polyetherol selected from the group consisting of polyetherols having the following structural formulae (1), (2), (3) and (4): | 01-07-2010 |
| 20100041550 | Method for Producing White and Color-Stable Water-Absorbing Polymer Particles Having High Absorbency and High Saline Flow Conductivity - Water-absorbing polymeric particles are produced by polymerizing a monomer solution or suspension comprising at least one unsaturated carboxylic acid and at least one hydroquinone monoether, and coating the polymeric particles with at least one salt of a tervalent metal cation of a carboxylic acid and/or at least one basic salt of a tervalent metal cation. | 02-18-2010 |
| 20110003685 | Polymeric Particles Capable of Absorbing Blood and/or Body Fluids - Polymeric particles capable of absorbing blood and/or body fluids, the polymeric particles being coated with at least one surfactant and with at least one solvent, are produced and used for absorbing blood and/or body fluids, especially in hygiene articles. | 01-06-2011 |
| 20110042612 | Method for Producing White and Color-Stable Water-Absorbing Polymer Particles Having High Absorbency and High Saline Flow Conductivity - Water-absorbing polymeric particles are produced by polymerizing a monomer solution or suspension comprising at least one unsaturated carboxylic acid, at least one hydroquinone monoether and at least one inorganic peroxide and coating the polymeric particles with at least one basic salt of a bivalent metal cation. | 02-24-2011 |
| Patent application number | Description | Published |
|---|
| 20080234646 | Odour-Preventing, Water-Absorbing Compositions - The present invention leads to odor-preventing water-absorbing compositions comprising at least one water-absorbing polymer and at least one substituted thiophosphoramide, to processes for their production and also to hygiene articles and their production. | 09-25-2008 |
| 20080275195 | Polymerization Process - The present invention relates to a process for continuously preparing water-absorbing polymers by mixing a monomer solution with at least one crosslinker and polymerizing the resulting mixture, wherein the residence time of the mixture between the addition of the at least one crosslinker and the entry into the polymerization reactor is less than 180 seconds, and also to an apparatus for performing the process. | 11-06-2008 |
| 20090221746 | Neutralization Process - The invention relates to a neutralization process in which at least one ethylenically unsaturated carboxylic acid is preneutralized at least partly with a base, wherein the preneutralized solution is divided into at least two part-solutions and at least one part-solution is aftertreated so as to form part-solutions with different degree of neutralization and/or solids content, and also to an apparatus for carrying out the process. | 09-03-2009 |
| 20100003209 | Odor Blocking Water-Absorbent Compositions - The present invention leads to odor-preventing water-absorbing compositions comprising at least one water-absorbing polymer and at least one urease inhibitor, the polymer being a polymer bearing acid groups, the acid groups being from 50 to 65 mol % neutralized and the urease inhibitor content being in the range from 0.0001% to 0.1% by weight, based on the composition, to processes for the production of the composition and also to hygiene articles and their production. | 01-07-2010 |
