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| Number | Title | Issue Date |
| 7417096 | Preparation of transition metal nanoparticles and surfaces modified with (CO) polymers synthesized by RAFT A new, facile, general one-phase method of generating thiol-functionalized transition metal nanoparticles and surface modified by (co)polymers synthesized by the RAFT method is described. The method includes the steps of forming a (co)polymer in aqueous solution usi... | 08/26/2008 |
| 7378476 | Olefin polymerization process in the presence of a radical generating system An olefin polymerization process comprises gas-phase polymerization of at least one olefin monomer in a reactor using a Ziegler-Natta or metallocene catalyst system in the presence of at least one suitable radical-generating compound in an amount sufficient for poly... | 05/27/2008 |
| 7375175 | Dispersions containing living radicals A dispersion of polymer particles, the particle containing, on average, one or more living radicals each, the radicals not being chemically protected. Further disclosed is a free radical polymerization process resulting in a dispersion containing polymer particles h... | 05/20/2008 |
| 7351591 | Surface modification of metals for biomolecule detection using surface enhanced Raman scattering (SERS) The present invention is based on the discovery that the methods described herein for the production of metallic colloids result in colloids exhibiting increased signal enhancement and reproducibility for the SERS detection of biomolecules. Thus, using the methods o... | 04/01/2008 |
| 7351781 | Synthesis of vinyl polymers by controlled radical polymerization A controlled free radical polymerization process, which includes the steps of: adding a monofunctional iniferter compound to an oxygen-free solvent; heating the solution to a temperature sufficient to allow the iniferter compound to form two carbon centered radical ... | 04/01/2008 |
| 7348388 | Copolymers of olefins and vinyl- and allylsilanes Ethylene and allyl- or vinylsilanes are efficiently copolymerized by certain late transition metal complexes containing selected bidentate or tridentate ligands. The resulting novel polymers may be crosslinked by moisture when vinylsilane contains groups bound to si... | 03/25/2008 |
| 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 |
| 7323529 | Method of making copolymers containing olefinic type monomers Copolymers containing residues of at least one olefinic monomer and a method of making such copolymers including the steps of: (a) providing a pressurized stirred tank; (b) feeding monomer compositions to one or more stirred tank reactors, ... | 01/29/2008 |
| 7317060 | Aqueous suspensions of pentabromobenzyl acrylate Suspensions of PBBMA, characterized in that they comprise PBBMA in the form of finely ground particles and contain suspending agents chosen from among xanthene gums, anionic or nonionic purified, sodium modified montmorilonite, naphthalene sulfonic acid-formaldehyde... | 01/08/2008 |
| 7314904 | Functionalized polyalphaolefins Disclosed is a composition of a functionalized polyalphaolefin comprising the reaction product of admixing (a) an alpha-olefin monomer having at least 10 carbon atoms; (b) an unsaturated functionalizing compound; and (c) a polymerization initializer, under reaction ... | 01/01/2008 |
| 7235609 | Thermoplastic olefin compositions and articles A thermoplastic olefin (TPO) composition comprises (1) a major amount by weight of (a) a substantially linear homopolymer or copolymer of a C2–C10 α-olefin in major proportion to (b) a long chain branched a linear homopolymer or copolymer of... | 06/26/2007 |
| 7223525 | Process for generating a hard mask for the patterning of a layer A process for generating a hard mask for the patterning of a first layer includes applying a second layer, which includes carbon, to the first layer that is to be patterned. A third layer, which includes silicon and carbon, is spun onto the second layer and an organ... | 05/29/2007 |
| 7205362 | Method for controlled radical polymerization The present invention relates to a process for controlled radical polymerization using an organosulfur reversible chain transfer agent which consists in preparing polymers having a molar weight of greater than 100 000 g/mol, with a polydispersity index of less than ... | 04/17/2007 |
| 7199200 | Method for the production of homo-, co- and block copolymers A process is described for producing homo-, co- and block copolymers by controlled radical polymerization in aqueous solution, wherein a monomer component (A) consisting of at least one radically polymerizable monomer, an initiator component (B) consisting of at lea... | 04/03/2007 |
| 7183355 | Waterborne thermosetting compositions containing alternating copolymers of isobutylene type monomers A curable, aqueous film-forming composition is provided, comprising: (a) a copolymer containing reactive functional groups and comprising at least 30 mol % of residues having alternating structural units: -[DM-AM]- | 02/27/2007 |
| 7160971 | pH-sensitive methacrylic copolymers and the production thereof The present invention provides novel multi-functional methacrylic copolymers that exhibit cationic pH-sensitive behavior as well as good water solubility under acidic conditions. The copolymers are constructed from tertiary amine methacrylates and poly(ethylene glyc... | 01/09/2007 |
| 7160668 | Light absorbent agent polymer useful for organic anti-reflective coating, its preparation method and organic anti-reflective coating composition comprising the same Disclosed are a light absorbent agent polymer for organic anti-reflective coating which can prevent diffused light reflection of bottom film layer or substrate and reduce standing waves caused by variation of thickness of the photoresist itself, thereby, increasing ... | 01/09/2007 |
| 7138468 | Preparation of transition metal nanoparticles and surfaces modified with (CO)polymers synthesized by RAFT A new, facile, general one-phase method of generating thio-functionalized transition metal nanoparticles and surfaces modified by (co)polymers synthesized by the RAFT method is described. The method includes the stops of forming a (co)polymer in aqueous solution usi... | 11/21/2006 |
| 7132485 | Dosing of peroxide to a suspension process wherein styrene is polymerized The invention relates to a suspension polymerization process for the preparation of styrene-containing (co)polymers, wherein the process comprises the steps of continuously or semi-continuously dosing an initiator to the reaction mixture, said initiator having a spe... | 11/07/2006 |
| 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 |
| 7119155 | Polymerized catalyst composition II Copolymerization of Ni(II) phenol imine complexes containing olefinic substituents on aryl groups with styrene in the presence of a radical initiator results in polymerized late transition metal catalysts which can be used for olefin polymerization or oligomerizatio... | 10/10/2006 |
| 7098280 | Controlled polymerization The present invention discloses an emulsion polymerization process that comprises: (1) preparing an aqueous polymerization medium which is comprised of (a) at least one monomer, (b) a polymerization control agent, and an emulsifier, wherein the emulsifier is prepare... | 08/29/2006 |
| 7077964 | Process for preparing monodisperse ion exchangers having chelating functional The present invention relates to a process for preparing novel, monodisperse ion exchangers having chelating functional groups, and their use for adsorbing metal compounds, in particular, heavy metal compounds and noble metal compounds, and also for extracting alkal... | 07/18/2006 |
| 7071265 | Method of producing a non-crosslinked polymer particle A method of producing a non-crosslinked polymer particle having in a side chain thereof a succinimidoxycarbonyl group represented by the following structural formula (1): the method compr... | 07/04/2006 |
| 7041762 | Polyvalent imprinted polymer and process of preparation thereof The present invention relates to a polyvalent imprinted polymer useful in medicine and biotechnology and to a process for the preparation thereof. More particularly it relates to the said polymer of formula (1) herein below | 05/09/2006 |
| 7022792 | Initiation of polymerization by hydrogen atom donation This invention relates to the polymerization of vinylically-unsaturated monomers in the presence of a chain transfer catalysts where the polymerization process is initiated with hydrogen gas or a hydrogen atom donor rather than conventional free radical initiators. ... | 04/04/2006 |
| 6992156 | Controlled polymerization The present invention discloses an emulsion polymerization process that comprises: (1) preparing an aqueous polymerization medium which is comprised of (a) at least one monomer, (b) a polymerization control agent, and an emulsifier, wherein the emulsifier is prepare... | 01/31/2006 |
| 6974853 | Acrylate contact adhesive materials having tight molecular weight distribution An initiator system for radical polymerization, which comprises a combination of compounds of the formulae: ... | 12/13/2005 |
| 6951903 | ABS compositions with improved property combinations A thermoplastic molding composition that features a combination of extremely good toughness, good processability, adjustable surface gloss, good inherent color and reduced opacity is disclosed. The composition contains A) a graft rubber that is the product of free-r... | 10/04/2005 |
| 6881806 | Geminally disubstituted olefin-carbon monoxide-ethylene polymer useful as a polyvinyl chloride plasticizer and a method of making same The invention is related to a geminally disubstituted olefin-carbon monoxide-ethylene polymer. The invention is also related to a method for preparing geminally disubstituted olefin-carbon monoxide-ethylene polymers by reacting a geminally disubstituted olefin feed,... | 04/19/2005 |
| 6881805 | Free radical retrograde precipitation polymer dispersions The present invention is directed to a dispersion of polymer particles in a dispersing medium. The polymer particles each contain an average of more than two living radicals that are not chemically protected. The present invention is also directed to a free radical ... | 04/19/2005 |
| 6881804 | Porous, molecularly imprinted polymer and a process for the preparation thereof A porous, molecularly imprinted polymer and a process for its preparation are described. The porous, molecularly imprinted polymer is characterised in that it is obtainable by providing a porous silica; attaching a molecular template to the surface of the porous sil... | 04/19/2005 |
| 6875832 | Synthesis of vinyl polymers by controlled radical polymerization A controlled free radical polymerization process, which includes the steps of: adding a monofunctional iniferter compound to an oxygen-free solvent; heating the solution to a temperature sufficient to allow the iniferter compound to form two carbon centered radical ... | 04/05/2005 |
| 6872779 | Polymeric flocculant and method of sludge dehydration The invention provides a flocculant which in sludge dewatering gives flocs having an excellent balance among flocculating strength, filtration rate and moisture content, and a method of sludge dewatering with the flocculant. Namely, the flocculant is a polyme... | 03/29/2005 |
| 6852812 | Latex having a high solids content and a low viscosity and exhibiting a bimodal distribution A process is presented for the preparation of a latex by the emulsion polymerization at a temperature of between 30 and 90 C. of at least one ethylenically unsaturated monomer in the presence of at least one surfactant and of a seed of polymer particles with a diame... | 02/08/2005 |
| 6844406 | High functionality number, low molecular weight polymers and methods of making same The present invention provides novel low molecular weight, high functionality number, polymers. The polymers may be made, for example, by heating (preferably, to a temperature of between about 130° C. and 180° C.) one or more ethylenically unsaturated monomers in ... | 01/18/2005 |
| 6841636 | Dispersions containing living radicals The present invention relates to a dispersion of polymer particles, the particle containing, on average, more than 1 living radicals each, the radicals not being chemically protected. The invention is also directed to a free radical polymerization process resulting ... | 01/11/2005 |
| 6835792 | Solventless nontoxic high refractive index and low birefringence organic/inorganic hybrid materials Enclosed are high refractive index and low birefringence organic/inorganic hybrid materials useful for optical applications. They are prepared from solventless metal aliphatic acryl alkoxides. The metal acryl alkoxides are synthesized from exchanging acryl alcohol w... | 12/28/2004 |
| 6828400 | Washable impregnation compositions Anaerobic and heat curing polymerizable impregnation compositions for sealing pourous articles are disclosed. The compositions contain glycerol, oxygenated glycerol or (meth)acrylate glycerol to improve the washability of the compositions in aqueous solutions. The c... | 12/07/2004 |
| 6825308 | Copolymers and preparation thereof The present invention relates to copolymers for applications in medicine and biotechnology and preparation thereof. Copolymers comprises polyvalent N-Acetyl Glucosamine(NAG) in polyvalent form and bind more efficiently to lysozyme than NAG itself. The copolymers exh... | 11/30/2004 |
