| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 525244000 |
Contacting a solid polymer derived from ethylenic reactants only with an ethylenic reactant in the presence of a specified material
| 74 |
| 525298000 |
Ethylenic reactant contains an oxygen atom
| 51 |
| 525279000 |
Ethylenic reactant contains nitrogen heterocycle, e.g., pyridine, diazines, etc.
| 29 |
| 525284000 |
Ethylenic reactant contains a chalcogen heterocycle
| 21 |
| 525313000 |
Ethylenic reactant contains at least two unsaturated groups and is devoid of an aromatic group
| 19 |
| 525293000 |
Ethylenic material contains a nitrogen atom and is other than (meth)acrylonitrile
| 18 |
| 525276000 |
Ethylenic reactant contains a fluorine atom
| 16 |
| 525319000 |
Ethylenic reactant is acyclic hydrocarbon
| 16 |
| 525288000 |
Ethylenic reactant contains atoms other than C, H, O, N, S, or Cl
| 16 |
| 525274000 |
Ethylenic reactant contains a metal atom
| 11 |
| 525267000 |
Including step of preparing a polymer in the presence of a specified material and in the absence of a preformed polymer derived from ethylenic reactant only
| 11 |
| 525243000 |
Reactions with ethylenic reactants in two or more diverse phases, e.g., bulk, emulsion, melt, solution, etc. | 5 |
| 20080207837 | Method for Producing Polymer Powders - The present invention relates to the production of a polymer powder with improved powder properties, and to its use as impact modifier for rigid polyvinyl chloride (PVC) applications. The impact modifier is composed of emulsion polymer particles which have a core-shell structure, where the shell is composed of a hard polymer and the core is composed of a soft, crosslinked rubber polymer. | 08-28-2008 |
| 20090281247 | PROCESS FOR PRODUCTION OF WATER-ABSORBABLE RESIN PARTICLE, AND WATER-ABSORBABLE RESIN PARTICLE PRODUCED BY THE PROCESS - The present invention relates to a method of producing water-absorbent resin particles in which a median particle size of primary particles (d) and a median particle size of secondary particles (D) satisfy the relationship of the formula, 5d/3+150| 11-12-2009 | |
| 20110301295 | NOVEL COPOLYMERS WITH POLAR AND NON-POLAR OLEFIN BLOCKS - The present invention relates to copolymers with polar and non-polar olefin blocks with a variable polar monomer content of 0.1 mol % to 99.9 mol %. The invention also relates to a method for obtaining copolymers with olefin blocks and vinyl polar monomer blocks, said method using a single-component catalytic system made up of an organometallic complex containing a metal belonging to groups VIII to X. Said organometallic complex is advantageously active in the medium without adding cocatalyst. | 12-08-2011 |
| 20140080976 | METHOD OF PREPARING RUBBER LATEX HAVING HIGH POLYMERIZATION STABILITY - Disclosed is a method for preparing a rubber latex which includes adding a basic solution to an initial reaction hydrophilic monomer and a small amount of fat-soluble monomer when a polymerization conversion ratio is 90% or more to form particles having a small diameter and superior stability, ionizing an end of the particles to secure stability of the particles and growing the formed particles, and thereby obtains a stable latex with a large particle diameter using a minimal amount of emulsifying agent and minimizes gas generation and heat discoloration derived from the emulsifying agent. | 03-20-2014 |
| 20160115266 | PROCESS FOR THE PREPARATION OF A PROPYLENE POLYMER - A process for the preparation of a propylene polymer in a multistage polymerisation process in the presence of a single site catalyst, said process comprising: (I) in a prepolymerisation step prepolymerising a single site catalyst in the presence of propylene and optionally at least one C2-10 alpha olefin comonomer and in the presence of hydrogen or in the absence of hydrogen; (II) in a slurry polymerisation step, polymerising propylene and optionally at least one C2-10 alpha olefin comonomer, with the pre-polymerised catalyst of step (I) in the presence of hydrogen; and subsequently (III) in a gas polymerisation step polymerising propylene and optionally at least one C2-10 alpha olefin comonomer, in the presence of catalyst and polymer from step (II) and optionally in the presence of hydrogen so as to form a propylene homopolymer or copolymer; wherein the amount of hydrogen fed to the pre-polymerisation step (I) is at most 15% of the total amount of hydrogen fed to steps (I) and (II) of the polymerisation process. | 04-28-2016 |
| 525289000 |
Ethylenic reactant contains a fused- or bridged-ring system | 4 |
| 20140213732 | Preparation of Bottlebrush Polymers via Ring-Opening Metathesis Polymerization - This invention relates to a reaction product obtained by ring-opening metathesis polymerization of norbornene ketones functionalized with the residual portion of a vinyl terminated macromonomer. | 07-31-2014 |
| 20110098412 | PARTIALLY HYDROGENATED POLYMER AND METHOD THEREOF - The present invention discloses a method for partially hydrogenating polymer. The method comprises providing a polymer having at least one vinyl aromatic block; and hydrogenating the polymer in presence of a heterogeneous catalyst on a support selected from the group consisting of BaSO | 04-28-2011 |
| 20110301297 | Thermally Switchable Ruthenium Initiators - This invention relates to ruthenium initiators for the ring-opening metathesis polymerization (ROMP) of cyclic olefins that are inactive at room temperature but activatable at elevated temperature (referred to as (“thermally switchable”). In general, these are compounds of ruthenium metal to which are bonded four or five ligands, in which one ligand is a pyridine ring in which the nitrogen is chelated to the ruthenium, or a five or six membered ring incorporating nitrogen and the ruthenium in which the nitrogen is chelated to the ruthenium. | 12-08-2011 |
| 20140058043 | NUCLEIC ACID DETECTION METHOD, AND DEVICE AND KIT FOR USE IN SAME - The present invention aims to solve problems in the analysis of amplified nucleic acids, i.e., cost, workability, and contamination and pollution of samples. In the present invention, a sample containing a nucleic acid and a reagent for detecting the nucleic acid are mixed in a closed system. In this regard, the nucleic acid is amplified in the same closed system, and then mixed with the detecting reagent without opening the system. In order to carry out this method, for example, a device that includes the detecting reagent shielded by a coating material or the like is used. | 02-27-2014 |
| 525275000 |
Ethylenic reactant contains an acetylenic group | 4 |
| 20090093593 | RUBBER COMPOSTITION AND PNEUMATIC TIRE USING SAME - This invention relates to a rubber composition capable of providing high gripping performances without tire performances such as facture properties, wear resistance and the like and a workability in factories when being used in a tire tread as well as a tire using the same, and more particularly to a rubber composition comprising a rubber component and a particular amount of a reaction product obtained by reacting an inorganic metal compound and a phenolic resin at a particular ratio, a rubber composition comprising a rubber component and a combination of an inorganic metal compound and a phenolic resin, and a pneumatic tire using these rubber compositions in a tread member. | 04-09-2009 |
| 20110112254 | POLYMERIC COMPOSITIONS AND METHOD OF MAKING AND ARTICLES THEREOF - Described herein is a mixture comprising: a non-self-crosslinking polymer; and a modifying compound comprising at least two different functional groups. The first functional group of the modifying compound is capable of reacting with the non-self-crosslinking polymer and the second functional group is capable of crosslinking with a curing agent. Also, described are compositions, curable polymeric compositions, articles using such curable polymeric compositions, and methods of making cured polymeric compositions. | 05-12-2011 |
| 20110124819 | MODIFIED HALOGENATED POLYMER SURFACES - Disclosed is a method of preparing a modified halogenated polymer surface, comprising the steps of (a) activating the surface by modification with a polymerisation initiator by (a | 05-26-2011 |
| 20140187722 | POLYMERIC COMPOSITIONS AND METHOD OF MAKING AND ARTICLES THEREOF - Described herein is a composition comprising at least one of: | 07-03-2014 |
| 525292000 |
Ethylenic reactant contains a chlorine atom and is other than vinyl(idene) chloride | 3 |
| 20130072635 | FLUOROPOLYMERS HAVING DIACRYLATE ENDS - Disclosed herein is a telechelic diacrylate fluoropolymer and a process for manufacture of the fluoropolymer. The diacrylate copolymer is of formula CH | 03-21-2013 |
| 20130261266 | Dual Responsive Block Copolymer Compositions - A composition includes a responsive block copolymer, the responsive block copolymer including at least one block A that is a triggerable copolymer, the triggerable copolymer including at least one lower critical solution temperature monomer and at least one charged monomer, wherein the triggerable copolymer block A is a dual trigger block configured to trigger on temperature and ionic strength, and wherein the responsive block copolymer micellizes or gels at a temperature between 28° C. and 37° C. and a salt concentration of about 0.9 wt %. | 10-03-2013 |
| 20130261267 | CONTROLLED RADICAL POLYMERIZATION OF HALOGENATED MONOMERS - Process for the preparation of a halogenated polymer comprising a controlled radical polymerization step of at least one monomer containing at least one halogen-carbon bond, performed in the presence of an organo-cobalt complex, said polymerization step being further carried out in non-isotherm conditions. | 10-03-2013 |
| 525291000 |
Ethylenic reactant contains a sulfur atom | 3 |
| 20140378617 | Preparation of Amphiphilic Block Polymers by Controlled Radical Micellar Polymerisation - The present invention relates to the preparation of block copolymers, which can be used in particular as rheology agents, suitable, inter alia, for oil extraction, comprising a step of radical micellar polymerisation wherein the following are brought into contact in an aqueous medium: —hydrophilic monomers, dissolved or dispersed in the aqueous medium; —hydrophobic monomers in the form of a micellar solution, i.e. containing, in a dispersed state, micelles comprising these hydrophobic monomers; —at least one radical polymerisation initiator; and —at least one radical polymerisation control agent. The polymers obtained according to the invention can be used in particular for enhanced oil recovery (EOR). | 12-25-2014 |
| 20150045515 | NON-FOULING, ANTI-MICROBIAL, ANTI-THROMBOGENIC GRAFT-FROM COMPOSITIONS - A method for preparing and resulting articles of manufacture comprising a substrate having a surface, a bulk beneath the surface, and a grafted polymer layer on the substrate surface, the substrate surface and the grafted polymer layer, in combination, constituting a modified surface having a fibrinogen adsorption of less than about 125 ng/cm | 02-12-2015 |
| 20150299365 | NOVEL METHOD FOR PREPARING HEAT-THICKENING POLYMERS AND NOVEL COMB COPOLYMERS - Method for preparing a comb copolymer, includes sequentially: (a) reacting a compound of formula (II): CH | 10-22-2015 |
| 525287000 |
Ethylenic reactant contains a phosphorus atom | 3 |
| 20110196105 | NOVEL HIGH PRESSURE, LOW DENSITY POLYETHYLENE RESINS PRODUCED THROUGH THE USE OF HIGHLY ACTIVE CHAIN TRANSFER AGENTS - In one aspect the invention is a reaction product comprising ethylene and at least one cyclic phosphine wherein the reaction product has a non-extractable phosphorous concentration of at least 10 parts per million by weight, and preferably a maximum of at least about 10000 ppm by weight, preferably wherein the reaction product has a density from about 0.90 to about 0.94 in grams per cubic centimeter, a molecular weight distribution (M | 08-11-2011 |
| 20140051810 | PHOSPHONIUM IONOMERS COMPRISING PENDANT VINYL GROUPS AND PROCESSES FOR PREPARING SAME - The present invention relates to ionomers comprising a reaction product of the reaction between a halogenated isoolefin copolymer and at least one phosphorus based nucleophile comprising at least one pendant vinyl group. The present invention also relates to a method of preparing and curing these ionomers. | 02-20-2014 |
| 20140275428 | Copolymers Of Conjugated Dienes And Vinyl Organophosphines Prepared By Anionic Polymerization - A process for preparing a copolymer including one or more phosphorus-containing mer units, the process comprising anionically polymerizing conjugated diene monomer, vinyl organophosphine monomer, and optionally monomer copolymerizable therewith. | 09-18-2014 |
| 525297000 |
Ethylenic reactant contains a cycloaliphatic group | 2 |
| 20120123059 | FUNCTIONALIZED POLYMERS AND METHODS OF MAKING - Disclosed herein are copolymers comprising functional groups attached to the backbone of the polymer and methods of making these polymers. | 05-17-2012 |
| 20140329971 | Method for Producing Cohesive Polyacrylate Adhesive Compounds with a Narrow Molar Mass Distribution - The invention relates to a method for producing polyacrylate adhesive compounds with a narrow molar mass distribution by means of a radical polymerization and a subsequent increase of the molar masses by reacting with bis- or multi-dienyl compounds, in particular with α,ω-bis-dienyl compounds, in order to increase the cohesion in particular. | 11-06-2014 |
| 525277000 |
Ethylenic reactant contains a carbonate group | 1 |
| 20120184682 | BIOCOMPATIBLE AND BIODEGRADABLE POLYMERS FROM RENEWABLE NATURAL POLYPHENOLS - This invention describes the use of resveratrol and curcumin, representatives of naturally occurring polyphenols, in their native form, after hydrogenation, and as their respective allyl derivatives, individually, in combination with themselves and other commercial monomers, to make representative varieties of polymers, e.g., polycarbonates (PC), polyurethanes (PU), co-polymers and biodegradable polymers. | 07-19-2012 |
| 525278000 |
Ethylenic reactant contains a carbamate group | 1 |
| 20080281049 | Process for Preparing Water-Absorbing Polymers with High Absorption Capacity and High Permeability - A process for preparing water-absorbing polymers by polymerizing a monomer solution comprising
| 11-13-2008 |
| 525317000 |
Ethylenic reactant is vinyl(idene) chloride | 1 |
| 20120077937 | Method For Preparing A Suspension Of PVC Grafted Onto An Elastomer - The invention pertains to the field of PVC production. More particularly, the invention relates to a method for preparing a polymer including vinyl chloride monomers that are polymerized and grafted onto acrylic, styrene, and/or ethylene monomers polymerized in the form of an elastomer. | 03-29-2012 |
| Entries |
| Document | Title | Date |
|---|
| 20080249250 | Copolymers Containing Lateral Carbamate Groups And Groups Which Can Be Activated With Actinic Radiation, Processes For Preparing Them, And Their Use - Copolymers (A) containing lateral, primary and/or secondary carbamate groups (a12) and groups (a31) which can be activated with actinic radiation, preparable by | 10-09-2008 |
| 20090143537 | Melt-polymerization surface reinforcement and hardening of wood, wood products and other porous materials using oligimer and polymer solutes in polymerizable monomer solvent - This invention is a method preparing solutions or mixtures of oligimer or polymer in a solution of polymerizable monomer, applying that solution to the surface of a solid porous substance like wood, heating to drive the mixture into the surface zone of the substance and causing the polymerizable monomer to cure. This produces a reinforced, hardened, protective shell around the porous substance. | 06-04-2009 |
| 20100036059 | USE OF COPOLYMERS WITH A COMPOSITION GRADIENT AS STABILIZERS IN EMULSION FREE-RADICAL POLYMERIZATION - The present invention describes the use of copolymers with a composition gradient as sole stabilizer in emulsion free-radical polymerization. The copolymers of the invention are prepared via controlled free-radical polymerization and comprise at least one hydrophilic monomer such as acrylic acid and at least one hydrophobic monomer such as styrene. | 02-11-2010 |
| 20100331492 | PROCESS OF SELECTIVELY POLYMERIZING ETHYLENE AND CATALYST THEREFOR - The present invention generally relates to a process that selectively polymerizes ethylene in the presence of an alpha-olefin, and a precatalyst and catalyst useful in such processes. | 12-30-2010 |
| 20120101233 | CATALYTIC SYSTEMS FOR IMMORTAL RING-OPENING POLYMERISATION OF CYCLIC ESTERS AND CYCLIC CARBONATES - The present invention discloses new catalyst systems based on complexes of divalent metals supported by chelating phenoxy ligands for immortal ring-opening polymerisation of cyclic esters and cyclic carbonates. | 04-26-2012 |
| 20120214948 | SOLVENTLESS FUNCTIONALIZATION, MILLING, AND COMPOUNDING PROCESS WITH REACTIVE DILUENTS - Methods of compounding nanoparticles with a resin, e.g., a curable resin and one or more surface modifying agents are described. The methods use wet milling technology, including both continuous and batch milling processes, and can be used to functionalize the nanoparticles and disperse the functionalized nanoparticles into the resin system in a single process. Methods of compounding curable resin systems containing reactive diluents are also disclosed. | 08-23-2012 |
| 20120259071 | Polystyrene Blends - A method of preparing a polystyrene blend that includes combining a first polystyrene composition having a first melt flow index with a second polystyrene composition having a second melt flow index and forming a polystyrene blend, the second melt flow index being at least 2 dg/min higher that the first melt flow index. The polystyrene blend has an observed tensile strength value greater than 3% above the expected tensile strength value. The second polystyrene composition can include a recycled polystyrene material, which can include expanded polystyrene. An alternate method of preparing the polystyrene blend includes combining a polystyrene composition with a styrene monomer to form a reaction mixture, polymerizing the reaction mixture and obtaining a polystyrene blend, where the polystyrene containing composition has a melt flow index at least 2 dg/min higher than the melt flow index of the styrene monomer after it has been polymerized. | 10-11-2012 |
| 20130131275 | METHOD OF PRODUCING MACROCYCLIC POLYMERS - A method for producing a macrocyclic polymer comprising: (a) polymerizing a monomer using a dibrominated initiator having either an aromatic or ester moiety via atom transfer radical polymerization (ATRP) to form a polymer precursor having brominated, phenylated end groups; and (b) cyclizing the polymer precursor using intramolecular atom transfer radical coupling (ATRC) to form the macrocyclic polymer. | 05-23-2013 |
| 20130172489 | BIMODAL NEODYMIUM-CATALYZED POLYBUTADIENE - The invention relates to a high molecular weight bimodal neodymium-catalysed polybutadiene having a high proportion, >95%, of cis-1,4 units and a low proportion, <1%, of 1,2-vinyl content, wherein the polybutadiene has a linear polymeric main fraction and a long chain branched polymeric fraction, wherein the slope in the RGM relationship is >0.5 for the polymeric main fraction and <0.3 for the long chain branched polymeric fraction. | 07-04-2013 |
| 20130296495 | Star Macromolecules for Personal and Home Care - A polymer composition comprising star macromolecules is provided. Each star macromolecule has a core and five or more arms, wherein the number of arms within a star macromolecule varies across the composition of star molecules. The arms on a star are covalently attached to the core of the star; each arm comprises one or more (co)polymer segments; and at least one arm and/or at least one segment exhibits a different solubility from at least one other arm or one other segment, respectively, in a reference liquid of interest. | 11-07-2013 |
| 20130296496 | METHOD OF PURIFYING BLOCK COPOLYMERS - The invention relates to block polymers, for example, arborescent copolymer compounds, and to methods of making and purifying such compounds. In one embodiment, the invention relates to arborescent polymer compounds that contain one or more styrene polymeric blocks in combination with one or more isobutylene polymeric blocks. In another embodiment, the invention relates to methods for purifying arborescent polymer compounds that contain at least one styrene polymeric block in combination with at least one isobutylene polymeric block. | 11-07-2013 |
| 20140329970 | FLUOROALLYLSULFONYL AZIDE MONOMERS AND POLYMERS THERE FROM - This invention pertains to fluoroallylsulfonyl azide compounds of formula: CF | 11-06-2014 |
| 20150112027 | Method for Producing Polymer - The present invention is related to a method for producing a polymer to efficiently remove metal residues of at least lithium and/or titanium from a polymer solution comprising the at least lithium and/or titanium to thereby obtain a refined polymer solution having little metal residue. | 04-23-2015 |
| 20150298405 | FABRICATION OF DIRECTIONALLY ORIENTED BLOCK COPOLYMER FILMS - Directionally oriented block copolymer films and zone annealing processes for producing directionally oriented block films are provided. The zone annealing processes include methods of inducing horizontally oriented block copolymers through a soft sheer process and methods of inducing vertically oriented block copolymers via sharp dynamic zone annealing. The zone annealing processes are capable of both small and large scale production of directionally oriented block films. The cold zone annealing processes are also capable of being combined with graphoepitaxy methods. | 10-22-2015 |
| 20160001195 | POLYMER SOLUTION CONCENTRATOR MACHINE AND DEVOLATILIZATION PROCESS - An improved polymer solution concentrator and accompanying devolatilization process enable concentration of polymer solutions to higher concentrations and viscosities than prior art equipment, overcome the viscosity limits and metering difficulties of the prior art, reduce the overall size of the devolatilization system, and reduce the energy, resources and cost required to finish polymer formulations. The concentrator replaces a conventional flash tank and includes a generally solid conically-shaped twin barrel. A pair of counter-rotating intermeshing screws is disposed in the barrel, and includes a portion with a vapor removal geometry and a portion with a positive displacement geometry. A vapor discharge port is formed in the barrel, and upon rotation of the screws in the barrel, a polymer formulation is concentrated from a value below about 40 weight percent to a value of up to about 98 weight percent. | 01-07-2016 |
| 20160185882 | COMPOUND AND POLYMER PREPARED THEREFROM - A compound, and a polymer prepared therefrom, are provided. The compound has a structure represented by Formula (I) or Formula (II): | 06-30-2016 |
