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| Number | Title | Issue Date |
| 8067513 | Styrenated phenol ethoxylates in emulsion polymerization The present invention relates to the use of Styrenated Phenol Ethoxylates as surfactants in emulsion polymerization. The present invention further relates to the use of both anionic and nonionic Styrenated Phenol Ethoxylates in emulsion polymerization. Latexes with ... | 11/29/2011 |
| 7999049 | Process for producing fluoroelastomers An emulsion polymerization process for the production of fluoroelastomers is disclosed wherein at least one fluorosurfactant is employed as dispersant, said fluorosurfactant being a fluoroalkylphosphoric acid ester of the formula X—Rf-(CH2)nâ... | 08/16/2011 |
| 7989566 | Process for producing fluoropolymers An emulsion polymerization process for the production of non-elastomeric fluoropolymers is disclosed wherein at least one fluorosurfactant is employed as dispersant, said fluorosurfactant being a fluoroalkylphosphoric acid ester of the formula X-Rf-(CH2) | 08/02/2011 |
| 7714086 | Polyvinyl alcohol co-polymer, and water-soluble films and pouches formed therefrom Polyvinyl alcohol co-polymers comprising co-monomers of carboxylic acid and carboxylic acid derivatives wherein the co-polymers further comprise an amino functional monomer, and water-soluble films and pouches formed therefrom. ... | 05/11/2010 |
| 7666962 | 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... | 02/23/2010 |
| 7645845 | Polymerization process A process for producing a polymer by polymerizing at least one fluorinated monomer in the presence of a radical initiator and a surfactant in a polymerization medium containing essentially only carbon dioxide. The surfactant is a functional (per)fluoropolyether havi... | 01/12/2010 |
| 7566762 | Process for preparing fluoropolymer The present invention relates to a process for preparing a fluoropolymer containing at least one kind of fluoroolefin, which comprises carrying out polymerization in the presence of a surfactant represented by the formula (1): | 07/28/2009 |
| 7488786 | Oxathiazaphospholidine free radical control agent This invention discloses a process for producing a polymer by controlled polymerization which comprises polymerizing at least one monomer in the presence of a free radical control agent of the structural formula: (Z)-(R1)n, wherein n represents... | 02/10/2009 |
| 7462674 | Oxathiazaphospholidine free radical control agent This invention discloses a process for producing a polymer by controlled polymerization which comprises polymerizing at least one monomer in the presence of a free radical control agent of the structural formula: (Z)-(R1)n, wherein n represents... | 12/09/2008 |
| 7417086 | Coating compositions Aqueous polymer compositions are provided that are suitable as coatings when dry. The coatings formed from such compositions have desirably low level of yellowness, both when new and upon aging. Also provided are methods of making such compositions. ... | 08/26/2008 |
| 7385016 | Curable resin compositions and process for preparing oligomers containing acrylate groups and substituted methacrylate groups A curable resin composition which exhibits excellent hardness of their curing products as well as storage stability is provided, and a simple method to obtain acrylated resins is provided. The composition comprises a curable oligomer which has an acryloyl group and ... | 06/10/2008 |
| 7345120 | Moisture cure non-isocyanate acrylic coatings An acrylic polymer having pendant alkoxysilane comprising the free radical reaction product of a polysiloxane, an N-alkylphosphonate N-oxylalkyl ester initiator; and ethylenically unsaturated monomers. The acrylic polymer can be further crosslinked with reactive pol... | 03/18/2008 |
| 7323517 | Composition and process for enhancing controlled free radical polymerization The present invention relates to a composition and process for enhancing the controlled radical polymerization in the presence of nitroxyls and nitroxylethers by adding a chain transfer agent selected from the group consisting of mercaptanes, thioethers and disulfid... | 01/29/2008 |
| 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 |
| 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 |
| 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 |
| 7247688 | Method for synthesis of block polymers by controlled free radical polymerization The invention concerns a method for preparing a first generation polymer comprising a step which consists in free radical polymerization of a composition comprising: at least an ethylenically unsaturated monomer, a source of free radicals, at least a dithiophosphoro... | 07/24/2007 |
| 7235616 | Curable resin compositions and process for preparing oligomers containing acrylate groups and substituted methacrylate groups A curable resin composition which exhibits excellent hardness of their curing products as well as storage stability is provided, and a simple method to obtain acrylated resins is provided. The composition comprises a curable oligomer which has an acryloyl group and ... | 06/26/2007 |
| 7214754 | Polymerizable polyol (allyl carbonate) compositions A polymerizable composition is described, which composition comprises a major amount of a polyol(allyl carbonate) monomer, e.g., diethylene glycol bis(allyl carbonate) monomer, and a minor amount of a radically polymerizable second monomer represented by the general... | 05/08/2007 |
| 7201962 | Hemocompatible coated polymer and related one-step methods A polymer with a hemocompatible film or coating is manufactured by a one-step method comprising polymerizing monomer droplets comprising at least one crosslinking agent to form a polymer and simultaneously coating the resulting polymer using at least one dispersing ... | 04/10/2007 |
| 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 |
| 7125938 | Atom or group transfer radical polymerization A polymerization process comprising initiating a first polymerization of monomers using an initiator functionalized with an ATRP initiating site, wherein the first polymerization is selected from the group of cationic polymerization, anionic polymerization, conventi... | 10/24/2006 |
| 7074860 | Composition and process for enhancing controlled free radical polymerization The present invention relates to a composition and process for enhancing the controlled radical polymerization in the presence of nitroxyls and nitroxylethers by adding a chain transfer agent selected from the group consisting of mercaptanes, thioethers and disulfid... | 07/11/2006 |
| 7051290 | Graphical interface for receiving eyeglass prescription information A high volume lens curing system is described. The high volume lens curing system is configured to cure multiple eyeglass lenses in a continuous manner. The lens curing system includes a computer-implemented method configured to collect prescription information, sav... | 05/23/2006 |
| 7030169 | Arylsulfinate salts in initiator systems for polymeric reactions Compositions are provided that that can be used as an initiator system for free radical polymerization reactions. More specifically, the initiator systems include an electron acceptor and an electron donor. The electron donors are arylsulfinate salts having a cation... | 04/18/2006 |
| 7026418 | Emulsion polymerization process utilizing ethylenically unsaturated amine salts of sulfonic, phosphoric and carboxylic acids Disclosed is an improved method of making polymers. The method utilizes at least one ethylenically unsaturated monomer and at least one polymerizable surface active agent. The polymerizable surface active agent is capable of co-polymerization with traditional monome... | 04/11/2006 |
| 7022805 | Process for the preparation of acetal polymers The present invention relates to a process for the preparation of acetal polymers, in particular of polyoxymethylene (POM) by cationic polymerization where organophosphonic and/or organophosphinic acids and/or their derivatives and/or their precursors are used as th... | 04/04/2006 |
| 7001966 | Method for the production of isobutene polymers The present invention relates to a process for preparing an isobutene polymer using a cyclopentene derivative as initiator and to the isobutene polymer obtainable by means of the process and to particular functionalization products thereof. ... | 02/21/2006 |
| 6995219 | Olefin polymerization process The invention relates to a process for the preparation of a multimodal A-olefin polymer comprising polymerizing in a polymerization stage at least one A-olefin in the presence of a multisite catalyst and an adjuvant so as to produce a polymer having a relatively low... | 02/07/2006 |
| 6960638 | Depot polymerization starter beads The invention relates to polymer beads having a high content of diacyl peroxides. A prolongation of the pot life in reaction resins based on high-boiling methacrylate esters is achieved due to this high content of peroxides. ... | 11/01/2005 |
| 6936647 | Bead polymerizates containing halogen-free phosphourus compounds The present invention relates to novel crosslinked bead polymers having an average particle size of 1 to 1000 μm containing specific, halogen-free phosphorus compounds including triphenyl phosphate as the halogen-free phosphorus compound, and to a process for the p... | 08/30/2005 |
| 6916537 | Articles having a photochromic polymeric coating Described is a photochromic article that includes a substrate and at least a partial coating of an at least partially cured polymerizable composition of a photochromic amount of at least one photochromic compound, at least one material having at least one carbonate ... | 07/12/2005 |
| 6911339 | Transparent polymer support for organic synthesis The invention provides polyol (allyl carbonate) polymer solid supports. The supports can be modified for attachment of a chemical moiety or ligand. A solid support comprising one or more ligands immobilized to a polyol (allyl carbonate) polymer solid support. The so... | 06/28/2005 |
| 6900280 | Acid macromonomers and their method of preparation The invention relates to a composition comprising: a) an acid monomer or oligomer of acrylic acid or of an acid derivative of acrylic acid or mixtures thereof; or a mixture of an ethylenically unsaturated monomer or oligomer and an acid monomer or oligomer of acryli... | 05/31/2005 |
| 6897264 | Curable mixtures A catalyst suitable for crosslinking reaction of a compound containing α,β-unsaturated carbonyl groups and a compound containing a CH-acidic methylene group is provided. A curable mixture comprises at least one compound containing at least two α,β-unsaturated ca... | 05/24/2005 |
| 6878763 | Free radical polymerization using acidified ethoxylated conjugated fatty ether surfactants The free radical initiated addition polymerization of ethylenically unsaturated, particularly acrylic monomers in which the dispersed phase is stabilised by a surfactant including at least one anionic surfactant compound of the formula (I): R1—(OA)... | 04/12/2005 |
| 6855840 | 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... | 02/15/2005 |
| 6852816 | 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... | 02/08/2005 |
| 6825290 | Process for the preparation of latices using block copolymers as surfactants A subject-matter of the present invention is a process for the preparation of a latex by radical aqueous emulsion polymerization in the presence of at least one ethylenically unsaturated monomer, of at least one radical polymerization initiator and of at least one s... | 11/30/2004 |
