| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 526090000 |
Material contains transition metal or compound thereof
| 1301 |
| 526183000 |
Material contains metal atom bonded to a carbon atom
| 47 |
| 526204000 |
Material contains heterocyclic compound
| 39 |
| 526213000 |
Material contains carboxylic acid, salt, ester, or anhydride thereof
| 39 |
| 526194000 |
Material contains Si, Te, Se, or Group VIIIA atom, e.g., He, Ne, etc.
| 30 |
| 526173000 |
Material contains elemental alkali metal, hydride thereof, or alkali metal to carbon atom bond (Li, Na, K, Rb, Cs, Fr)
| 29 |
| 526210000 |
Material contains alcohol or alcoholate
| 26 |
| 526217000 |
Material contains organic nitrogen compound
| 25 |
| 526209000 |
Material contains ether
| 24 |
| 526227000 |
Material contains peroxy group compound (-O-O-)
| 23 |
| 526193000 |
Material contains organic compound having a phosphorus atom
| 18 |
| 526222000 |
Material contains organic sulfur compound
| 10 |
| 526206000 |
Material contains halogenated hydrocarbon wherein at least one halogen atom is other than chlorine, and mixtures of water and a halogenated hydrocarbon one ethylenic monomer
| 10 |
| 526192000 |
Material contains a heavy metal atom containing organic compound
| 9 |
| 526237000 |
Material contains metal halide, boron halide or organic complexes thereof, hydrogen halide, elemental halogen, or compound containing only halogen atoms
| 8 |
| 526200000 |
Material contains carbohydrate, e.g., starch, sugar, etc.
| 8 |
| 526208000 |
Material contains aldehyde or ketone or polymeric reaction product thereof, e.g., urea-formaldehyde, etc.
| 7 |
| 526226000 |
Material contains aluminum compound other than aluminum trihalide or nonmetallic organic complex of aluminum trihalide
| 6 |
| 526195000 |
Material contains boron compound other than boron trihalide or non-metal organic complex of boron trihalide
| 6 |
| 526201000 |
Material contains previously formed normally solid polymer which is distinct from polymer to be formed and is a polymer formed from at least one ethylenic monomer | 4 |
| 20120130034 | CATALYST SUPPORT USED FOR OLEFIN POLYMERIZATION AND PREPARING METHOD AND APPLICATION THEREOF - An inorganic/organic composite support includes an inert inorganic material, a complex compound composed of a polylol and a magnesium halide, and an organic polymer containing a polar functional group. Said complex compound loaded with the organic polymer is deposited on the inert inorganic material. When the inorganic/organic composite support used as a polyolefin catalyst carrier is applied to ethene or propylene polymerization, the fusion-flow ratio of the obtained polymerisate is remarkably increased and its processing performance is improved. When the catalyst is applied to ethene polymerization, the fusion-flow ratio of the polymerisate can be adjusted by changing the content of hydrogen. When the catalyst is applied to ethene or propylene polymerization, the catalyst activity is high. | 05-24-2012 |
| 20130123445 | METHOD FOR PRODUCING A WATER-ABSORBENT RESIN - A method for producing a water-absorbent resin by performing a reversed-phase suspension polymerization of a water-soluble ethylenically unsaturated monomer in a petroleum hydrocarbon dispersion medium, comprising the following steps of: (A) performing a primary dispersion in the absence of surfactants by adding an aqueous solution of a water-soluble ethylenically unsaturated monomer containing a hydrophilic polymeric dispersion agent to a petroleum hydrocarbon dispersion medium in which a hydrophobic polymeric dispersion agent was heat-dispersed or heat-dissolved, under stirring; (B) further performing a secondary dispersion by adding a surfactant to a dispersion liquid obtained after the primary dispersion; and (C) performing the reversed-phase suspension polymerization by using a radical polymerization initiator; and the water-absorbent resin obtained by the method. | 05-16-2013 |
| 20160376387 | METHOD FOR PREPARING VINYL CHLORIDE-BASED RESIN - Provided is a method of preparing a vinyl chloride-based resin that includes preparing slurry through suspension polymerization by mixing a monomer, an oil soluble initiator, a dispersant, and an additive including an emulsifier, a water-soluble initiator, or a combination thereof, wherein the monomer includes vinyl chloride, an unsaturated carboxylic acid-based compound, and an ethylenic unsaturated compound that is copolymerizable therewith, and the emulsifier includes an anionic emulsifier, a non-ionic emulsifier, or a combination thereof. | 12-29-2016 |
| 20090030168 | PROCESS FOR PRODUCING CATIONICALLY STABILIZED AND WATER-REDISPERSIBLE POLYMER POWDER COMPOSITIONS - Redispersible polymer powders which are cationically stabilized by spray drying a polymer dispersion with a cationic polymer can be used in higher concentrations in chemical building construction materials without introducing adverse properties. | 01-29-2009 |
| 526234000 |
Material contains sulfur or inorganic sulfur compound | 3 |
| 20090082535 | (METH)ACRYLIC ACID COPOLYMER, METHOD FOR PROCUCING THE SAME, AND APPLICATION THEREOF - To provide: a (meth)acrylic acid copolymer, which exhibits excellent chelating ability, dispersibility, and gel resistance, and can be preferably used in various applications, for example, in a dispersant such as an inorganic pigment and a metal ion, a detergent builder, and a water treatment agent such as a corrosion inhibitor and a scale inhibitor; and a method for producing the (meth)acrylic acid copolymer; and an application thereof. A (meth)acrylic acid copolymer having a constitutional unit (a) derived from a (meth)acrylic acid monomer (A) represented by a general formula (1) and a constitutional unit (b) derived from a hydroxyalkyl (meth)acrylate monomer (B) represented by a general formula (2),
| 03-26-2009 |
| 20140051818 | SYNTHESIS OF HIGH MOLECULAR WEIGHT POLY(2,3,3,3-TETRAFLUOROPROPENE) - A process of synthesizing poly(2,3,3,3-tetrafluoropropene), comprising reacting 2,3,3,3-tetrafluoropropene monomers in a reaction medium in the presence of an initiator, wherein the initiator is added to the reaction medium in multiple portions at different times during the process. | 02-20-2014 |
| 20150307642 | CARBOXYL GROUP-CONTAINING POLYMER AND COMPOSITION CONTAINING THE SAME - The present invention provides a carboxyl group-containing polymer and a composition containing the polymer which exhibit excellent anti-soil redeposition ability in fabric washing. The carboxyl group-containing polymer includes specific ratios of a structure unit (a) derived from an ether bond-containing monomer (A), a structure unit (b) derived from a sulfonic acid group-containing monomer (B), and a structure unit (c) derived from an acrylic acid-based monomer (C), and has a specific weight average molecular weight. The carboxyl group-containing polymer composition contains the carboxyl group-containing polymer and a specific amount of a hydrogen sulfite adduct of the acrylic acid-based monomer (C). | 10-29-2015 |
| 526233000 |
Material contains elemental phosphorus or inorganic phosphorus compound | 3 |
| 20100249348 | Polymerizable compositions - The present invention relates to a process for providing improved low VOC polymerizable compositions containing phosphoalkyl (meth)acrylate monomers which are synthesized by the reaction of a hydroxyalkyl (meth)acrylate with polyphosphoric acid (PPA). | 09-30-2010 |
| 20130178592 | PROCESS FOR PREPARING (METH)ACRYLIC ESTERS - The invention relates to a process for preparing (meth)acrylic esters by esterifying (meth)acrylic acid or transesterifying at least one (meth)acrylic ester with at least one compound comprising at least one OH group in the presence of a heterogeneous catalyst comprising at least one inorganic salt, wherein the esterification or transesterification is performed in the presence of 300 to 3000 ppm of water based on the total weight of the reaction mixture. | 07-11-2013 |
| 20150376316 | Aromatic Vinyl Based Tetrapolymer, Method for Preparing the Same and Thermoplastic Resin Composition Comprising the Same - A method for preparing a tetrapolymer includes preparing a suspension including an aromatic vinyl-based monomer, an unsaturated nitrile-based monomer, an N-substituted maleimide-based monomer, an α-alkyl styrene-based monomer, and an inorganic dispersing agent, and polymerizing the suspension. The method for preparing a tetrapolymer can be useful in lowering a reaction temperature using suspension polymerization, and reducing a reaction time, thereby maximizing productivity. A tetrapolymer prepared by the method is also provided. | 12-31-2015 |
| 526236000 |
Material contains nitrogen compound | 2 |
| 20140107305 | METHOD FOR PRODUCING WATER-ABSORBING POLYMER PARTICLES - A process for producing water-absorbing polymer particles, comprising the addition of a solid additive to a polymer gel by means of a conveying screw ( | 04-17-2014 |
| 20170233503 | POLYMERIZATION PROCESS | 08-17-2017 |
| 526191000 |
Material contains elemental metal | 2 |
| 20090292091 | Method For Suspension Polymerization Of Polyvinyl Chloride With The Creation Of A Catalyst Directly In The Reactor And Stabilizing-Suspending Agent Added Thereto For Said Reaction - Production method of polyvinyl chloride in an agitated reactor under pressure, including polymerization of vinyl monomers in aqueous suspension, of the type in which at least one vinyl monomer in aqueous solution is introduced into a reactor under agitation, having the following steps: a)—adding a stabilizing-suspending agent in hydroalcoholic suspension of an inorganic mineral powder containing at least magnesium and hydroxyl groups to said reactor, b)—adding to said reactor b1) a base; b2) a peroxide compound; b3) a chloroformate; and b4) an organic acid anhydride whereupon the separate addition of b1), b2), b3), b4), to form the reaction catalyst in situ is only and exclusively in said reactor in order to create said catalyst progressively and under the control of the addition of said stabilizing-suspending agent a). | 11-26-2009 |
| 20100168353 | Propylene-Based Polymer, Articles, and Process for Producing Same - Disclosed are propylene-based polymer compositions and processes for producing same. Polymerization with an improved catalyst composition provides a propylene-based polymer with improved stiffness. | 07-01-2010 |
| 526199000 |
Material contains polypeptide, e.g., protein, gelatin, etc. | 2 |
| 20120095176 | Process for the production of a polyvinyl-chloride (PVC) resin - The present invention relates to a process for the production of polyvinyl chloride (PVC) having a median grain size of from 10 to 80 μm by suspension polymerization of vinyl chloride, the process comprising the following process steps: | 04-19-2012 |
| 20150329663 | BIO-BASED SUPERABSORBENTS PREPARED VIA THE MACROMONOMER APPROACH - A novel bio-based superabsorbent polymer material based on a proteinaceous natural polymer is introduced herein. There is further disclosed a method for the manufacture of such a bio-based crosslinked superabsorbent polymer material. The method includes, but not limited to, introducing polymerizable unsaturated groups onto the natural polymer or its derivative so as to yield a macromonomer. The macromonomer can be formed by covalently binding unsaturated carbon-carbon double bonds to a proteinaceous substrate through a reaction of a selected chemical compound and the amino group on the proteinaceous substrate. The macromonomer is then copolymerized with unsaturated co-monomer(s) to form a crosslinked superabsorbent material. | 11-19-2015 |
| 526221000 |
Material contains inorganic heavy metal compound | 1 |
| 20080249270 | Method for manufacturing monosulfonium salt, cationic polymerization initiator, curable composition, and cured product - A monosulfonium salt in which very little unreacted raw material remains, which has a purity of at least 96%, and which has one sulfonio group in its molecule is manufactured without a refining step. After (a) an aryl compound, (b) a sulfoxide compound, (c) a dehydrating agent, and (d) a BF | 10-09-2008 |
| 526207000 |
Material contains water and a hydrocarbon | 1 |
| 20140179886 | METHOD FOR PRODUCING A WATER-ABSORBENT RESIN - A method is disclosed for producing a water-absorbent resin by a reversed-phase suspension polymerization method, wherein an odor originating from a raw material component, in particular, a petroleum hydrocarbon dispersion medium, is further reduced as compared with a water-absorbent resin obtained by a conventional method, and a water-absorbent resin obtained by the method. More specifically, a method is disclosed for producing a water-absorbent resin by performing a reversed-phase suspension polymerization of a water-soluble ethylenically unsaturated monomer in a petroleum hydrocarbon dispersion medium, comprising adding and dispersing an aqueous solution of a water-soluble ethylenically unsaturated monomer containing a hydrophilic polymeric dispersion agent to a petroleum hydrocarbon dispersion medium in the presence of a surfactant under stirring, and performing a reversed-phase suspension polymerization using a radical polymerization initiator, and a water-absorbent resin obtained by the method. | 06-26-2014 |
| Entries |
| Document | Title | Date |
|---|
| 20080306225 | POLYMERIZATION METHOD FOR FORMATION OF THERMALLY EXFOLIATED GRAPHITE OXIDE CONTAINING POLYMER - A process for polymerization of at least one monomer including polymerizing the at least one monomer in the presence of a modified graphite oxide material, which is a thermally exfoliated graphite oxide with a surface area of from about 300 m | 12-11-2008 |
| 20090018287 | Fatty Acid Monomers To Reduce Emissions and Toughen Polymers - Novel fatty acid monomers and methods for their synthesis are provided for use in polymerization reactions. Fatty acid monomers are employed as reactive diluents in the polymerization of vinyl esters and polyesters for one or more purposes selected from improving the fracture resistance, lowering the processing viscosity and reducing the volatile organic compounds present in the polymerization mixture. | 01-15-2009 |
| 20100267906 | SOLUTION POLYMERIZATION PROCESS FOR PREPARING POLYOLEFINS - A solution process for polymerizing one or more α-olefins of formula CH | 10-21-2010 |
| 20100280198 | Olefin Acrylate Emulsion Copolymerization - A polymerization process to copolymerize hydrophobic ethylenically unsaturated C | 11-04-2010 |
| 20110009576 | POLYMERISATION PROCESS - The present invention relates to a polymerisation process and in particular to a process for the copolymerisation of ethylene and an α-olefin comonomer having 7 to 10 carbon atoms in a fluidised bed gas phase reactor in the presence of a multi-site Ziegler-Natta polymerisation catalyst characterised in that (i) said process is operated in condensed mode, (ii) the amount of said α-olefin is maintained below that at which substantial condensation in the reactor occurs and (iii) at least one of the following apply: | 01-13-2011 |
| 20110172378 | METHOD FOR MANUFACTURING POLYRADICAL COMPOUND AND BATTERY - In the present invention, in order to provide an electrode active material that has a high capacity density and from which a large current can be extracted and to provide a battery that has a high energy density and produces a large output, in a battery comprising at least a cathode, an anode and an electrolyte, a polyradical compound having a partial structure represented by the following general formula (2) is used as an electrode active material for at least one of the cathode and the anode, | 07-14-2011 |
| 20120165482 | CARBON NANOMATERIAL-SUPPORTED CATALYST AND APPLICATION THEREOF IN CYCLIC CARBONATE SYNTHESIS - The present disclosure is related to a carbon-nanomaterial-supported catalyst, including: a carbon nanomaterial, and a polymer grafted onto the carbon nanomaterial, wherein the polymer has a repeat unit containing a phosphonium salt and its molecular weight is 1,000-200,000. The disclosure is also related to a method of preparing carbonate, which includes using the carbon nanomaterial-supported catalyst for the cycloaddition reaction of carbon dioxide into the epoxy group. | 06-28-2012 |
| 20120322958 | MIXED MAGNESUM DIALKOXIDE PARTICULATE, METHOD FOR SYNTHESIZING SAME, AND METHOD FOR USE THEREOF - A mixed magnesium dialkoxide particulate obtained by direct solid-liquid reaction between particulate magnesium metal with a mean particle size of 50 μm to 500 μm and two or more alcohols including ethyl alcohol and at least one C3-6 alcohol, and comprising magnesium diethoxide, wherein the content of alkoxides other than ethoxide is 2.5 to 15 mol % of the total, the mean particle size (D | 12-20-2012 |
| 20130035461 | FLUORINE AND EPOXY GROUP-CONTAINING COPOLYMER, AND METHOD FOR PRODUCING SAME - Provided is a fluorine- and epoxy group-containing copolymer with excellent workability at room temperature, high water-repellency, and excellent characteristics as a water vapor barrier. Also provided is an efficient method for producing said copolymer. The fluorine and epoxy group-containing copolymer is characterized by containing at least a monomer unit represented by general formula (1): {Therein, R | 02-07-2013 |
| 20130053522 | SUPERABSORBENT POLYMERS AND METHODS OF MAKING THE SAME - In one aspect, a process for the preparation of a superabsorbent polymer is described herein. In some embodiments, the process comprises (I) preparing acrylic acid, wherein the process comprises (a1) provision of a fluid F1 having a composition comprising from about 5 to about 20 wt. % of hydroxypropionic acid, salts thereof, or mixtures thereof; from about 0.1 to about 5 wt. % of inorganic salts; from about 0.1 to about 30 wt. % of organic compounds which differ from hydroxypropionic acid; from 0 to about 50 wt. % of solids; and from about 20 to about 90 wt. % of water; (a2) dehydration of said hydroxypropionic acid to give a fluid F2 containing acrylic acid; and (a3) purification of said fluid F2 to give a purified acrylic acid phase comprising acrylic acid having a purity of at least 70 wt. %; and (II) polymerizing the acrylic acid of (I) to form a superabsorbent polymer. | 02-28-2013 |
| 20130066027 | OLEFIN GAS PHASE POLYMERISATION - The invention is directed to a process for the gas phase polymerisation of one or more olefin monomers in a fluidised bed reactor in a dry mode or in a (super) condensed mode with a gas stream comprising an inert gas characterised in that the inert gas comprises a mixture of inert components: (1) nitrogen; (2) a gas heat capacity increasing agent (3) a sorption promoting agent and (4) a polymer swelling agent. The inert gas may comprise (1) 5-60% by mol nitrogen (2) 10-90% by mol ethane (3) 1-50% by mol % n-butane and (4) 0.1-10% by mol % n-pentane or iso-pentane. | 03-14-2013 |
| 20130165606 | Pressure-Sensitive Adhesives with High Molar Masses and Narrow Molar Mass Distribution and Process for Preparing them - The invention relates to a process for preparing pressure-sensitive adhesives (PSAs) which have high molar masses in combination with a narrow molar mass distribution, and also to PSAs, especially polyacrylate-based PSAs, prepared accordingly. | 06-27-2013 |
| 20140121338 | PROCESS FOR THE PREPARATION OF THE MONOMER PENTABROMOBENZYL ACRYLATE AND POLYMERIZATION THEREOF - The invention relates to a process for preparing pentabromobenzyl acrylate through the reaction of pentahalobenzyl halide with a salt of acrylic acid in water-immiscible solvent, wherein said salt is in aqueous form and the reaction is carried out in the presence of a phase transfer catalyst. A process for polymerizing the pentabromobenzyl acrylate in halogenated aromatic solvent and the poly (pentabromobenzyl acrylate) obtained are also disclosed. | 05-01-2014 |
| 20140148563 | OLEFIN GAS PHASE POLYMERISATION - The invention is directed to a process for the gas phase polymerisation of one or more olefin monomers in a fluidised bed reactor in a dry mode or in a (super) condensed mode with a gas stream comprising an inert gas characterised in that the inert gas comprises a mixture of inert components:
| 05-29-2014 |
| 20140371407 | PROCESS - The present invention relates to a polymerisation process, and in particular to a polymerisation process comprising a plurality of processing steps in which an inert gas is used or is provided as a back-up, each of said processing steps being assigned a ranking based on the requirement for an inert gas flow in the processing step, said polymerisation process being characterised in that in the event of a loss of normal operating conditions the control system allocates the supply of the available inert gas based on said rankings. | 12-18-2014 |
| 20150057417 | SOLVENT-BASED METHODS FOR PRODUCTION OF GRAPHENE NANORIBBONS - The present invention provides methods of preparing functionalized graphene nanoribbons. Such methods include: (1) exposing a plurality of carbon nanotubes (CNTs) to an alkali metal source in the presence of an aprotic solvent to open them; and (2) exposing the opened CNTs to an electrophile to form functionalized graphene nanoribbons (GNRs). The methods may also include a step of exposing the opened CNTs to a protic solvent to quench any reactive species on them. Additional methods include preparing unfunctionalized GNRs by: (1) exposing a plurality of CNTs to an alkali metal source in the presence of an aprotic solvent to open them; and (2) exposing the opened CNTs to a protic solvent to form unfunctionalized GNRs. | 02-26-2015 |
| 20150315343 | PROCESS FOR PRODUCING WATER-ABSORBING POLYMER PARTICLES - The invention relates to a process for producing water-absorbing polymer particles, comprising polymerization and drying the resulting polymer gel on a through-circulation belt dryer having at the end of the belt in transport direction a means for guiding the dried polymer gel down towards a means for crushing the dried polymer gel. | 11-05-2015 |
