Patent application number | Description | Published |
20090258996 | HYDROGENATION OF DIENE-BASED POLYMER LATEX - The present invention relates to a process for the selective hydrogenation of the carbon-carbon double bonds in a diene-based polymer latex using a water-soluble catalyst and simultaneously a water-insoluble co-catalyst. | 10-15-2009 |
20090270562 | HYDROGENATION OF DIENE-BASED POLYMERS - The present invention relates to a process for the selective hydrogenation of the carbon-carbon double bonds in diene-based polymers in bulk form by treatment of the polymer with hydrogen in the presence of a platinum group metal containing catalyst and in the absence of any organic solvent. | 10-29-2009 |
20090270563 | HYDROGENATION OF DIENE-BASED POLYMERS - The present invention relates to a process for the hydrogenation of the carbon-carbon double bonds in diene-based polymers in bulk form by treatment of said diene-based polymer with hydrogen in the presence of an iridium containing catalyst and in the absence of any organic solvent. | 10-29-2009 |
20090281248 | HYDROGENATION OF DIENE-BASED POLYMER LATEX - The present invention relates to a process for the hydrogenation of the carbon-carbon double bonds in a diene-based polymer latex in the absence of any organic solvent by a catalytically active system prepared in-situ based on a first main catalyst component and a secondary water-insoluble catalyst component. | 11-12-2009 |
20100093931 | PROCESS FOR THE CONTINUOUS HYDROGENATION OF CARBON-CARBON DOUBLE BONDS IN AN UNSATURATED POLYMER TO PRODUCE A HYDROGENATED POLYMER - Proposed is a process for the continuous hydrogenation of carbon-carbon double bonds in an unsaturated polymer to produce a hydrogenated polymer, said unsaturated polymer being based on a conjugated diolefin and at least one other copolymerizable monomer, in the presence of a homogeneous or heterogeneous catalyst, wherein said unsaturated polymer, hydrogen and said homogeneous or heterogeneous catalyst is passed through a multistage agitated reactor, comprising a cylindrical, elongated shell having closed ends and separated by baffles into a multiplicity of discrete chambers with access from one chamber to another through concentric circular openings, axially centered with said baffles and a continuous rotatable shaft extending concentric with said baffles within said shell with at least one impeller attached thereto positioned in each chamber, said continuous rotatable shaft and said circular openings providing annular openings and said hydrogenated polymer being withdrawn at the opposite end of the multistage agitated reactor at which the feed is introduced. | 04-15-2010 |
20110178231 | Nano-sized hydrogenated diene-based latex particles - The present invention relates to hydrogenated nano-sized diene-based latex particles, a method for their production and their use. | 07-21-2011 |
20110184120 | Nano-sized diene-based polymer latex particles - The present invention refers to diene-based unsaturated polymer latex particles having a particle size measured as d | 07-28-2011 |
20120270047 | NANO-SIZED DIENE-BASED POLYMER LATEX PARTICLES - The present invention refers to diene-based unsaturated polymer latex particles having a particle size measured as d | 10-25-2012 |
20120270996 | Nano-Sized Hydrogenated Diene-Based Latex Particles - The present invention relates to diene-based hydrogenated polymer latex particles having a particle size measured as d | 10-25-2012 |