Class / Patent application number | Description | Number of patent applications / Date published |
521038000 | From ethylenically unsaturated reactant only | 24 |
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 |
20080275147 | ELECTROLYTE MATERIAL - To provide an electrolyte material having high electrical conductivity (ion exchange capacity) and a high softening temperature. | 11-06-2008 |
20090076178 | Cross-Linkable Bi-Sulphonyl Derivatives And Their Uses For Preparing Ion-Exchanging Membranes - The present invention is concerned with novel ion-exchange membranes, their method of preparation and their uses. The membranes are made of a polymer obtained from a monomer or a mixture of bifunctional monomers of general formula [T-SO | 03-19-2009 |
20090118383 | PRODUCTION METHOD OF POROUS RESIN BEAD - The present invention provides a method for producing a porous resin bead containing an aromatic vinyl compound-hydroxystyrene-di(meth)acrylate copolymer, the method including: dissolving a monomer mixture containing an aromatic vinyl compound, an acyloxystyrene and a di(meth)acrylate compound, and a polymerization initiator in an organic solvent to obtain a solution containing the monomer mixture and the polymerization initiator; suspending the solution in water in the presence of a dispersion stabilizer; performing a suspension copolymerization to thereby obtain an aromatic vinyl compound-acyloxystyrene-di(meth)acrylate compound copolymer; and hydrolyzing an acyloxy group of the acyloxystyrene monomer component in the copolymer. The porous resin bead produced by the method of the present invention can be suitably used, for example, as a support for solid phase synthesis. | 05-07-2009 |
20090176897 | Method for producing polymer beads of uniform size - A method for preparing monodisperse crosslinked bead polymers by introducing droplets having a harmonic mean size from 50 to 1500 microns and comprising at least one monomer, at least one crosslinker and a free-radical polymerization initiator into an aqueous medium through orifices to produce an aqueous suspension of droplets having a volume fraction of droplets from 35 to 64%; wherein the droplets are not encapsulated; causing the aqueous suspension of droplets to flow in a downward direction in a pipe in which the temperature is maintained at least 20° C. below the temperature at which the polymerization initiator has a half-life of 1 hour; and polymerizing the droplets in a reactor. | 07-09-2009 |
20090286891 | ION-PAIR CHARGE-TRANSFER COMPLEX POLYMER AND PHOTORESPONSIVE-ELECTRORESPONSIVE MATERIAL COMPRISING THE SAME - Provided is a novel ion-pair charge-transfer complex polymer suitable for use as a photo-functional material which shows extremely fast photoresponses in the wide wavelength range from visible to near infrared regions, and thermally stable. | 11-19-2009 |
20090326081 | POLYMER MATERIAL COMPRISING CROSS-LINKED SPHERICAL PARTICLES, A METHOD FOR PRODUCING THE MATERIAL AND USES THEREOF - The invention relates to a polymeric material comprising crosslinked spherical particles that are obtained by photoinitiated precipitation polymerization of crosslinking monomer and optionally a further monomer in the presence of an initiator and a solvent. It also relates to a method for producing the material and a chromatography column containing the material. | 12-31-2009 |
20100144909 | METHOD FOR PRODUCING FUNCTIONAL MATERIAL, FUNCTIONAL MATERIAL, SHEET-LIKE STRUCTURE AND SANITARY PRODUCT - Provided is a method for producing a functional material, including the steps of: bringing a polyvalent metal cation aqueous solution into contact with a base material; bringing a polyanion aqueous solution containing a functional component into contact with the base material previously in contact with the polyvalent metal cation aqueous solution to bond the polyvalent metal cations and the polyanions to each other, and thereby forming an insoluble compound containing the functional component; and drying the base material including the insoluble compound. | 06-10-2010 |
20100144910 | PROCESS TO PRODUCE POLYMERS - Catalyst systems for producing olefin polymers, methods of making such catalyst systems, and processes for producing olefin polymers using such catalyst systems are provided. The catalyst system comprises a first component and a second component, where the first component comprises chromium on a support, where the support comprises phosphated alumina, and the second component comprises: (1) a metal halide compound, a transition metal compound, and a precipitating agent, or (2) a substituted or unsubstituted dicyclopentadienyl chromium compound deposited onto a calcined oxide carrier, where the carrier includes silica, alumina, aluminophosphate, or any mixed oxide thereof. | 06-10-2010 |
20100267849 | GELATOR FOR PRODUCING A GEL ELECTROLYTE - A gelator for producing a gel electrolyte is a copolymer and comprises multiple major monomeric units, multiple minor monomeric units and multiple optional components. The major monomeric units comprise acrylonitrile (AN) monomeric units that have good ionic conductivity and coordinating sites for lithium ions to be dissolved with a liquid-electrolytic solvent. The minor monomeric units are a combination of at least one type monomeric unit, and the combination of at least one type monomeric unit is selected from a group consisting of vinyl acetate (VA), allyl acetate (AA), styrene, acrylamide and at least one reactive compound. A gel electrolyte is a mixture of a gelator and a liquid-electrolytic solvent. | 10-21-2010 |
20110046247 | CROSSLINKABLE MONOMER - Described herein is a trifluorostyrene compound that can be used as a monomer to form crosslinkable polymers. | 02-24-2011 |
20110082222 | USE OF A MATERIAL IMPARTING PROTON CONDUCTIVITY IN THE PRODUCTION OF FUEL CELLS - The invention relates to the use of a material imparting proton conductivity in the production of fuel cells, said material consisting of monomer units and having an irregular shape. | 04-07-2011 |
20110319506 | NUCLEIC ACID PURIFICATION METHOD - The present invention relates to a method for purifying nucleic acids using a nucleic acid-binding phase which is furnished with a deficit of nucleic acid-binding groups A having a pK of 8 to 13, or which has groups A and binding-inhibiting groups N which are neutrally charged during the binding, and preferably during the elution, and the method comprises the following steps: (a) binding the nucleic acids to the nucleic acid-binding phase at a pH which is below the pH of the pK of the nucleic acid-binding groups A (binding pH); (b) eluting the nucleic acids at a pH which is above the binding pH (elution pH). In addition, corresponding kits and also nucleic acid-binding phases which can be used for purifying nucleic acids are disclosed. The technology according to the invention permits the purification of nucleic acids and, in particular, elution, with use of low salt concentrations, and so the purified nucleic acids can be directly processed, for example used in a PCR. | 12-29-2011 |
20120046371 | Low Equivalent Weight Ionomer - An ionomer and a process for forming the ionomer such that the ionomer has (1) low equivalent weight (below 950, preferably between 625 and 850, and most preferably between 675 and 800) and (2) high conductivity (greater than 0.13 S/cm). In another embodiment, the invention is an ionomer having (1) low equivalent weight (below 950, preferably between 625 and 850, and most preferably between 675 and 800) and (2) acceptably low hydration (less than about 120 weight percent). These ionomers are capable of being processed into thin film and are extremely well-suited for low humidity or high temperature fuel cell applications. | 02-23-2012 |
20120095120 | NOVEL THICKENING POLYMER IN THE FORM OF A POWDER - Method for preparing an anionic polyelectrolyte including up to 95 mol % of monomer units from 2-methyl 2-[(1-oxo 2-propenyl) amino] 1-propanesulfonic acid that is totally salified in the form of sodium salt, up to 90 mol % of at least one neutral monomer, and optionally up to 10 mol % of at least one monomer of formula (I): | 04-19-2012 |
20120108687 | Processes Using Supercritical Medium To Produce Polymers - Processes for making water-absorbent cross-linked polymers, such as polyacrylic acids/polyacrylates, using supercritical medium; and water-absorbent polymers, e.g. particles thereof, obtained by such processes, where such particles may be porous. | 05-03-2012 |
20120142792 | REMOVAL OF LIGHT FLUOROALKANES FROM HYDROCARBON STREAMS - The removal of fluoroalkanes from fluoroalkane-containing hydrocarbon streams, preferably C | 06-07-2012 |
20120157556 | SYNTHESIS OF SEQUESTRATION RESINS FOR WATER TREATMENT IN LIGHT WATER REACTORS - An organic synthesis of materials to achieve removal of low molecular weight ionic species, such as transition metal ions including cobalt, iron, nickel, and zinc, from aqueous solutions. The synthesis includes the steps of providing a cation exchange resin, functionalizing the cation exchange resin using a chloride intermediate to form a sulfonyl chloride resin, and reacting a multi-amine based ligand with the sulfonyl chloride resin to form a sequestration resin. The synthesis further includes the steps of cooling the sequestration resin, and washing and drying the sequestration resin. | 06-21-2012 |
20130053460 | Shell Functionalized Ion Exchange Resins - The present invention relates to a method for the production of improved shell functionalized ion exchange resins from core/shell copolymer having a highly crosslinked core. | 02-28-2013 |
20130210943 | Dispersion Composition of Fluorine-Containing Ion Exchange Resin - The disclosure includes dispersion compositions of fluorine-containing ion exchange resin. | 08-15-2013 |
20130245140 | CHELATE RESINS - The present application relates to novel chelate resins which contain, as a functional group, quaternary nitrogen atoms in structures of the general formula (I) | 09-19-2013 |
20150291760 | METHOD FOR THE PREPARATION OF MACROPOROUS PARTICLES AND MACROPOROUS - A method for producing macro porous micro-clusters is proposed comprising at least the following individual steps in given order: a) synthesis of dispersed cross-linked polymeric latex primary particles starting from at least one monomer or oligomer using emulsion polymerization; b) swelling of the primary particles with a liquid comprising at least an additional charge of monomer and/or oligomer and a cross-linker, optionally further comprising functionalization agents; c) destabilization by increase of ionic strength (by adding a salt and/or acid and/or base) in a combination with application of shear, both being above the gel formation boundary of the phase diagram, until agglomerates composed of primary particles of the desired size are formed; d) polymerization of the agglomerates to form the macro porous micro-clusters. Furthermore the invention to relates to correspondingly produced micro-clusters and uses of such micro-clusters in particular for chromatographic purposes. | 10-15-2015 |
20160017066 | POLYMER COMPOUND FOR A CONDUCTIVE POLYMER AND METHOD FOR PRODUCING SAME - The present invention provides a polymer compound for a conductive polymer, containing one or more repeating units (a) represented by the following general formula (1), the polymer compound for a conductive polymer being synthesized by ion-exchange of a lithium salt, a sodium salt, a potassium salt, or a nitrogen compound salt of a sulfonic acid residue, and having a weight average molecular weight in the range of 1,000 to 500,000. | 01-21-2016 |
20160067702 | POLYMER COMPOUND FOR CONDUCTIVE POLYMER AND METHOD FOR PRODUCING THE SAME - The present invention provides a polymer compound for a conductive polymer, having one or more kinds of repeating units “a” represented by the following general formula (1), the polymer compound for a conductive polymer being synthesized by ion exchange of a lithium salt, a sodium salt, a potassium salt, a sulfonium compound salt, or a nitrogen compound salt of sulfonic acid residue with a weight average molecular weight in the range of 1,000 to 500,000, | 03-10-2016 |