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| Number | Title | Issue Date |
| 8263718 | Method of free radically polymerizing vinyl monomers A method for the polymerization of free radically polymerizable vinyl monomers involves polymerizing free radically (co)polymerizable vinyl monomers in a batch reaction under essentially adiabatic conditions, and utilizing scavenger monomer to reduce undesirable res... | 09/11/2012 |
| 7968661 | Method of free radically polymerizing vinyl monomers A method for the polymerization of free radically polymerizable vinyl monomers involves polymerizing free radically (co)polymerizable vinyl monomers in a batch reaction under essentially adiabatic conditions in the presence of an non-reactive diluent that can remain... | 06/28/2011 |
| 7745553 | Aqueous dispersions of polymer particles The invention provides a method for preparing an aqueous dispersion of polymer particles comprising the following steps: (i) preparing a dispersion having a continuous aqueous phase, a dispersed organic phase comprising one or more ethylenically unsaturated monomers... | 06/29/2010 |
| 7728088 | Synthesis of statistical microgels by means of controlled radical polymerisation The invention relates to a method of preparing statistical microgels. The inventive method comprises a step involving the radical polymerisation of a composition containing: at least one monoethylenically-unsaturated monomer, at least one multiethylenically-unsatura... | 06/01/2010 |
| 7423102 | Star polymer The present invention provides a star polymer which comprises a central core and three or more branches bonded to the central core, and has a weight average molecular weight of from 1,000 to 100,000, wherein at least one of the branches containing at least one repea... | 09/09/2008 |
| 7402632 | 2-Component crosslink of end-functionalized polyacrylates Method for increasing the molecular weight of polyacrylates, in which polyacrylates, functionalized at least in part of their chain ends by functional groups X, are reacted with a compound having at least functional groups Y capable of linking reactions with functio... | 07/22/2008 |
| 7402645 | Soluble polyfunctional vinyl aromatic polymer and method of producing the same The present invention relates to a soluble polyfunctional vinylaromatic copolymer improved in heat resistance, resistance to thermal decomposition, solvent solubility, and processability. The soluble polyfunctional vinylaromatic polymer is obtained by cationically p... | 07/22/2008 |
| 7399806 | Synthesis of photoresist polymers The present invention is directed to the preparation of photoresist polymers via living free radical polymerization techniques. Sterically bulky ester monomers are utilized as the polymerization components. Use of chain transfer agents is included in polymerization ... | 07/15/2008 |
| 7399801 | Curable composition Provided is a curable composition which can easily regulate the properties of a cured object prepared therefrom, which can prepare a cured object that does not substantially discolor or soften a finishing agent or coating material applied to the surface thereof, and... | 07/15/2008 |
| 7345121 | Method of controlled free radical polymerisation of acrylic acid and its salts thereof, resulting low-polydispersity polymers, and their uses The present invention relates to the technical sector of the polymerisation of acrylic acid and its salts, more particularly in solution, more particularly by controlled radical method, the use of the corresponding organo-sulphurated transfer agents, the acrylic aci... | 03/18/2008 |
| 7335714 | Sulfine control agents for synthesizing polymers The present invention is directed to sulfine control agents for synthesizing polymers via controlled free radical polymerization and to the polymers resulting therefrom. Such polymers include repeat units derived from the controlled free radical polymerization, part... | 02/26/2008 |
| 7332552 | Low odor chain transfer agents for controlled radical polymerization The present invention relates to low odor α-cyano-dithiocarboxylic ester compounds of formula I for use as chain transfer agents in free radical polymerizations, and polymerization processes employing them: wher... | 02/19/2008 |
| 7319123 | Use of sulfur containing initiators for anionic polymerization of monomers An initiator is presented for anionically polymerizing monomers, to provide a functional head group on the polymer. A polymer having a functional head group derived from a sulfur containing anionic initiator, and optionally as additional functional group resulting f... | 01/15/2008 |
| 7317050 | Controlled mini-emulsion free radical polymerization The invention concerns a method for preparing polymers by free radical polymerisation comprising (i) preparing a mini-emulsion containing: at least an ethylenically unsaturated monomer, at least a control agent selected among xanthates, dithio-carbamates, thioether-... | 01/08/2008 |
| 7300990 | Zwitterionic polymers Polymers may be made from zwitterionic monomers having controlled architectures and molecular weights, using living polymerisations such as group or atom transfer radical polymerisation. For instance polymers may be formed by atom transfer radical polymerisation usi... | 11/27/2007 |
| 7294668 | Aqueous dispersions of polytetrafluoroethylene having a low amount of fluorinated surfactant An aqueous non-melt processible polytetrafluoroethylene dispersion having non-melt processible polytetrafluoroethylene particles in an amount of 30 to 70% by weight and an amount of non-ionic surfactant between 2 and 15% by weight based on the weight of polytetraflu... | 11/13/2007 |
| 7291369 | Multi-layer articles including a fluoroelastomer layer and a barrier layer and method of making the same A multi-layer article includes a first polymer layer bonded to a barrier layer, which is bonded to a second polymer layer. The first polymer layer can include a fluoroelastomer. The second polymer layer can be a non-fluorinated polymer layer. The barrier layer can i... | 11/06/2007 |
| 7288608 | Degradable thiol-ene polymers A thiol-ene polymeric material is disclosed. The material is produced by the photopolymerization of reactants having thiol and olefin moieties. The material can incorporate encapsulated components, including cells. Additionally, the material can be derivatized by re... | 10/30/2007 |
| 7285610 | Synthesis method for polymers by controlled radical polymerisation with xanthates A polymer composition and method of preparing same is described wherein an ethylenically unsaturated monomer is contacted with a source of free radicals and a compound of formula (1A), (1B) and (1C) as defined herein. The polymer composition may be a homopolymer or ... | 10/23/2007 |
| 7279591 | S,s′-bis-(α, α′-disubstituted-α′-acetic acid)-trithiocarbonates and derivatives as initiator—chain transfer agent—terminator for controlled radical polymerizations and the process for making the same A s,s′-bis-(α,α′-disubstituted-α″-acetic acid)-trithiocarbonate and derivatives thereof can be used as an initiator, chain transfer agent, or terminator for polymerization of monomers such as free radical polymerizable monomers. Homopolymers, copolymers, an... | 10/09/2007 |
| 7275932 | Self-curing system for endodontic sealant applications A two-part self-curing endodontic sealing system comprises a thiourea derivative, such as acetyl thiourea, and a hydroperoxide, such as cumene hydroperoxide. The thiourea derivative is used as a reducing agent and the hydroperoxide is used as an oxidizing agent.... | 10/02/2007 |
| 7271214 | Cement dispersant and methods of making and using the same The present invention relates to cement dispersant that is a copolymerization product of a first monomer (A) comprising a carboxylic acid, a second monomer (B) comprising an alkoxylated allyl alcohol sulfate, and, optionally, a third monomer (C) comprising an alkoxy... | 09/18/2007 |
| 7262246 | Emulsion polymerization of fluorinated monomers The use of perfluorinated polymers and/or fluorinated ionomers as surfactant emulsifiers in emulsion polymerization of fluorinated monomers. ... | 08/28/2007 |
| 7259217 | Controlled-architecture polymers and use thereof as separation media Controlled architecture polymers made preferably with acrylamide type monomers are prepared in living-type or semi-living-type free radical polymerizations, with the architecture preferably being other than linear, such as star, branched, grafted or hyper-branched. ... | 08/21/2007 |
| 7250479 | Polymerization with living characteristics This invention concerns a free radical polymerization process, selected chain transfer agents employed in the process and polymers made thereby, in which the process comprises preparing polymer of general Formula (A) and Formula (B) comprising contacting: (i) a mono... | 07/31/2007 |
| 7250475 | Synthesis of photoresist polymers The present invention is directed to the preparation of photoresist polymers via living free radical polymerization techniques. Sterically bulky ester monomers are utilized as the polymerization components. Use of chain transfer agents is included in polymerization ... | 07/31/2007 |
| 7244796 | Polymer composition Branched polymers are prepared by mixing together monofunctional vinylic monomer with from 0.3 to 100% w/w of polyfunctional vinylic monomer and from 0.0001 to 50% w/w of chain transfer agent and thereafter reacting the mixture to form a polymer. The resulting branc... | 07/17/2007 |
| 7230063 | Functional trithiocarbonate RAFT agents The present invention is directed to a free radical control agent of the structural formula: wherein R1 is a divalent alkyl group of 1 to 12 carbon atoms, R2 and R3 are each indep... | 06/12/2007 |
| 7211625 | Thermoplastic resin composition and elastomer composition Provided are a thermoplastic resin composition which is excellent in oil resistance, heat resistance, weatherability, impact resistance, transparency, and moldability, and which can be produced economically, an elastomer composition with low hardness and high tensil... | 05/01/2007 |
| 7208334 | Method of manufacturing semiconductor device, acid etching resistance material and copolymer Disclosed is an acid etching resistance material comprising a compound having a repeating unit represented by the following general formula (1): (in the general formula (1), R1 | 04/24/2007 |
| 7186786 | Chain transfer agents for RAFT polymerization in aqueous media Polymers and copolymers synthesized by means that yield a narrow range of molecular weights can have different properties than polymers synthesized by conventional means. In order to obtain such polymers, however, polymerization must be controlled. One type of contr... | 03/06/2007 |
| 7179872 | Chain transfer agents for RAFT polymerization in aqueous media Polymers and copolymers synthesized by means that yield a narrow range of molecular weights can have different properties than polymers synthesized by conventional means. In order to obtain such polymers, however, polymerization must be controlled. One type of contr... | 02/20/2007 |
| 7173074 | Composition containing a polymerizable reducing agent, kit, and method The present invention provides a hardenable (i.e., curable by polymerization, crosslinking, ionic, or other chemical reaction) composition that includes polymerizable urea or thiourea compounds that function as reductants (i.e., reducing agents) in redox polymerizat... | 02/06/2007 |
| 7169867 | Catalyst for bulk polymerization A catalyst for bulk polymerization of a polymerizable unsaturated compound of the invention comprises a compound having at least one thiol group and a secondary hydroxyl group and represented by the following formula (I): ... | 01/30/2007 |
| 7144928 | UV-transparent pressure sensitive adhesive A UV-transparent pressure sensitive adhesive comprising (a) a copolymer of (a1) from 75 to 99.8% by weight of acrylic esters and/or methacrylic esters of the formula CH2═CH(R1)(C... | 12/05/2006 |
| 7094839 | Process for making a fluoroelastomer Aqueous microemulsions obtained from a perfluorinated alkane sulphonic or carboxylic acid or salt thereof, a liquid fluorinated monomer comprising a cure-site and optionally an inert liquid and highly fluorinated hydrocarbon compound. The aqueous microemulsion may b... | 08/22/2006 |
| 7060762 | Preparation of aqueous styrene-butadiene polymer dispersions A process for preparing an aqueous styrene-butadiene polymer dispersion by free-radical aqueous emulsion polymerization of a monomer mixture M that comprises styrene, butadiene, and if desired up t... | 06/13/2006 |
| 7045571 | Emulsion polymerization of fluorinated monomers The use of perfluorinated polymers and/or fluorinated ionomers as surfactant emulsifiers in emulsion polymerization of fluorinated monomers. ... | 05/16/2006 |
| 7041755 | Ring-opened azlactone photoiniferters for radical polymerization Photoiniferters for controlled radical polymerizations are described. The photoiniferters have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers. ... | 05/09/2006 |
| 7041728 | Aqueous dispersions of polytetrafluoroethylene having a low amount of fluorinated surfactant The present invention provides a method of making an aqueous dispersion of non-melt processible polytetrafluoroethylene, the method comprising: (a) an aqueous emulsion polymerization of an amount of tetrafluoroethylene to produce a final amount of polytetrafl... | 05/09/2006 |
