Class / Patent application number | Description | Number of patent applications / Date published |
528392000 | POLYMER OF AN ETHYLENICALLY UNSATURATED REACTANT WITH A SATURATED REACTANT | 19 |
20080262194 | POLYQUATERNIUM-1 SYNTHESIS METHODS - The present embodiments relate to a novel method of making quaternary ammonium polymers comprising the steps of: a) mixing 1,4-bis-dimethylamino-2-butene, triethanolamine, water and an acid; and b) introducing a 1,4-dihalo-2-butene to the mixture so as to initiate a reaction resulting in the quaternary ammonium polymer. | 10-23-2008 |
20090124789 | POLYMER MICROPARTICLES AND PRODUCTION METHOD FOR THE SAME - A method for producing polymer particles which includes: forming polymer particles by heterogeneous polymerization of a monomer in a supercritical fluid and/or subcritical fluid, wherein a radical polymerization initiator (I) having in a molecular at least a group having radical-generation capability and a group having affinity for the supercritical fluid and/or subcritical fluid, and a radical polymerization initiator (II) are used in combination. | 05-14-2009 |
20090156782 | Random copolymers of oxazoline - The invention provides approximately monodispersible random copolymers obtained from monomeric mixtures of 2-ethyl-2-oxazoline with 2-isopropyl-2-oxazoline, production method thereof and 2-isopropyl-2-oxazoline homopolymer obtained by using special initiator. Such polymers exhibit temperature-responsiveness in an aqueous solution within a broad temperature range, and are useful materials in the technical fields of surface chemistry and biomaterials. | 06-18-2009 |
20090215980 | PROCESS FOR PREPARING FLUORINE-CONTAINING POLYMER - The fluorine-containing polymer having a small number of ionic functional groups is prepared by a process, in which emulsion polymerization proceeds stably and produced polymer does not adhere to side walls of a polymerization reactor even without using an emulsifying agent, and the process comprises a first step for preparing a dispersion comprising fluorine-containing emulsified particles having ionic functional groups by polymerizing a fluorine-containing monomer mixture comprising a perhalo ethylenic monomer and a nonperhalo ethylenic monomer by using a water soluble radical polymerization initiator without adding an emulsifying agent, and a second step for preparing a fluorine-containing polymer having ionic functional groups in a small amount by emulsion polymerization of fluorine-containing monomers using a radical polymerization initiator in the presence of the fluorine-containing emulsified particles having ionic functional groups without adding an emulsifying agent, wherein the fluorine-containing emulsified particles having ionic functional groups prepared in the first step are used in an amount of from 0.01 to 5.0% by mass based on the fluorine-containing polymer to be obtained in the second step, and an amount of the water soluble radical polymerization initiator used in the first step is from 0.01 to 1,000% by mass based on the fluorine-containing emulsified particles having ionic functional groups prepared in the first step. | 08-27-2009 |
20100063247 | CHLORINATED VINYL CHLORIDE-BASED RESIN AND MANUFACTURING METHOD - An object of the present invention is to provide a chlorinated vinyl chloride-based resin with few unstable structures and excellent thermal stability, and a molding article. The chlorinated vinyl chloride-based resin of the invention is an resin in which a chlorine content is 65 wt % or higher, and less than 69 wt %, —CCl | 03-11-2010 |
20100087620 | Brominated Anionic Styrenic Polymers and Their Preparation - Concurrently fed into a reaction zone held at about 10° C. or less are brominating agent, aluminum halide catalyst, and a solution of anionic styrenic polymer having a GPC Mn about 2000-30,000. The components are in at least two separate feed streams. The feeds are proportioned to maintain (a) the amount of aluminum halide being fed at about 0.8 mole percent or less based on the amount of aromatic monomeric units in the polymer being fed, and (b) amounts of brominating agent and unbrominated polymer in the reaction zone that produce a final washed and dried polymer product containing about 60-71 wt % bromine. The catalyst is deactivated, bromide ions and catalyst residues are washed away from the reaction mixture, and the brominated anionic styrenic polymer is recovered and dried. The dried polymer has a volatile bromobenzene content of about 600 ppm (wt/wt) or less as well as other beneficial properties. | 04-08-2010 |
20100168378 | POLYMERS FUNCTIONALIZED WITH NITROSO COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer with a coordination catalyst to form a reactive polymer; and (ii) reacting the reactive polymer with a nitroso compound. | 07-01-2010 |
20100184941 | ADDUCTS, ADDUCTS AND OLIGOMERS, OR ADDUCTS, OLIGOMERS AND LOW MOLECULAR WEIGHT POLYMERS, AND THEIR PREPARATION - This invention provides adducts, mixtures of adducts and oligomers, and/or mixtures of adducts, oligomers, and low molecular weight polymers formed from monovinylaromatic hydrocarbons. | 07-22-2010 |
20100234560 | DIAMOND COATING BY LIVING POLYMERIZATION - A method for coating a diamond where an initiation site is provided on the diamond surface or initiation of a living polymerization on the site and the initiation site is reacted with a monomer having a site the reacts with and bonds to the initiation site to form an chemically attached chain with a new initiation site on the chain for further reaction with a monomer. An article with a coating upon a diamond surface, the coating the reaction product of a living polymerization reaction with initiation site on the diamond surface. | 09-16-2010 |
20100261869 | TERMINALLY IODIZED POLYFLUOROALKANE AND METHOD FOR PRODUCING THE SAME - Provided is a terminally iodized polyfluoroalkane represented by the general formula: | 10-14-2010 |
20110028681 | IN SITU FORMATION OF HYDROXY CHAIN END FUNCTIONAL POLYOLEFINS - Provided herein are methods for preparing a telechelic polymer of formula I | 02-03-2011 |
20110294976 | SOLUBLE POLYMER WITH MULTI-STABLE ELECTRIC STATES AND PRODUCTS COMPRISING SUCH POLYMER - A compound comprises a polymeric chain with a repeat unit repeated more than 5 times. The repeat unit comprises conjugated first and second cyclic groups and a plurality of side groups each bonded to one of the cyclic groups. A side group bonded to the first cyclic group is an electron donor and a side group bonded to the second cyclic group is an electron acceptor, such that the compound is switchable between first and second electrical conductive states by application of an electric field to the compound. At least one of the side groups is selected so that the compound is soluble in an organic solvent. The compound may be used in films, memory cells, or electronic devices. A layer of the compound may be formed on a surface by dissolving the compound in an organic solvent, applying the solution to the surface, and then removing the solvent. | 12-01-2011 |
20120232244 | Polymers Comprising Units Derived from Ethylene and Poly(Alkoxide) - A polymer comprises units derived from ethylene and poly(alkoxide) the polymer having at least 0.15 units of amyl groups per 1000 carbon atoms as determined by 13C Nuclear Magnetic Resonance (NMR). | 09-13-2012 |
20140275475 | SEMIBATCHWISE PROCESS FOR PREPARING OLEFIN-CO COPOLYMERS - A process for preparing olefin-CO copolymers with the steps of:
| 09-18-2014 |
20140288264 | METAL FINE PARTICLE DISPERSANT CONTAINING BRANCHED POLYMER COMPOUND HAVING AMMONIUM GROUP - A metal fine particle dispersant for forming a disperse system of metal fine particles, the metal fine particle dispersant having a branched polymer compound having an ammonium group and having a weight average molecular weight of 500 to 5,000,000. | 09-25-2014 |
528393000 | At least one reactant contains a three-membered heterocyclic ring having two carbon and one oxygen atoms, e.g., oxirane, etc. | 4 |
20100216968 | PROCESS FOR THE PREPARATION OF POLYETHER ALCOHOLS FROM UNSATURATED STARTERS HAVING ACTIVE HYDROGEN ATOMS - A process for the preparation of polyether alcohols by reacting at least one alkylene oxide with at least one unsaturated starter having at least one active hydrogen atom per molecule under basic catalysis,
| 08-26-2010 |
20100331516 | Process for Preparation of Sevelamer Carbonate - The present invention discloses simple process for preparation of salt of polyallylamine polymer. | 12-30-2010 |
20130178600 | POLY(ETHYLENE GLYCOL) DERIVATIVES FOR CLICK CHEMISTRY - The present invention provides bifunctional polymers, methods of preparing the same, and intermediates thereto. These compounds are useful in a variety of applications including the PEGylation of biologically active molecules. The invention also provides methods of using said compounds and compositions thereof. | 07-11-2013 |
20140213755 | EPOXY-FUNCTIONAL RESIN COMPOSITIONS - An epoxy-functional resin composition including the reaction product of (a) a stoichiometric excess of at least one divinylarene dioxide, and (b) at least one of: a primary (1°) monoamine, a bis-secondary (2°) amine lacking nitrogen atoms, or mixtures thereof; a curable composition including (i) the epoxy-functional resin composition, and (ii) at least one curing agent; and a cured thermoset resin prepared from the curable composition. | 07-31-2014 |