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| Number | Title | Issue Date |
| 7655741 | Thermostable vinylchloride mixed polymers A process for the preparation of vinyl chloride copolymers involves free radical suspension polymerization or emulsion polymerization of a mixture of vinyl chloride, epoxide-containing vinyl monomers and further comonomers copolymerizable therewith, wherein ... | 02/02/2010 |
| 7332553 | Functional monomers for molecular recognition and catalysis The present invention refers to new classes of polymerisable monomers, to molecularly imprinted polymers obtainable by polymerisation of at least one of the monomers and a crosslinking monomer in the presence of a template molecule. The obtained polymers may be used... | 02/19/2008 |
| 7312272 | Food coating substance containing a softener-free aqueous copolymer poly(vinyl ester) dispersion, production and use thereof A novel food coating substance comprising a plasticizer-free aqueous copolymer poly(vinyl ester) dispersion of emulsion polymer, emulsifier, protective colloid and optionally other stabilizers is outstandingly suitable for the surface treatment or surface coating of... | 12/25/2007 |
| 7309746 | Polymers containing silane Silane-containing polymers are prepared by the polymerization of one or more ethylenically unsaturated monomers in the presence of a silane-containing aldehyde, hemiacetal, or acetal as a regulator, optionally with further regulators as well. The silane-containing r... | 12/18/2007 |
| 7235587 | Diesters containing two crylene or fluorene moieties, sunscreen compositions containing the same, and methods of photostabilizing a sunscreen compositions containing the same Diesters that include one or more of a crylene and/or a fluorene moiety, and sunscreen compositions including a mixture of a photoactive compound and one or more of a diester that includes one or more of a crylene and/or a fluorene moiety are described herein. Also ... | 06/26/2007 |
| 7217773 | Method for producing polyisobutene A process is described for preparing polyisobutene having a content of terminal vinylidene groups of at least 75 mol % by polymerizing isobutene or isobutenic hydrocarbon mixtures in the liquid phase in the presence of a boron trifluoride complex catalyst of the com... | 05/15/2007 |
| 7208557 | Functional monomers for molecular recognition and catalysis The present invention refers to new classes of polymerisable monomers, to molecularly imprinted polymers obtainable by polymerisation of at least one of the monomers and a crosslinking monomer in the presence of a template molecule. The obtained polymers may be used... | 04/24/2007 |
| 7179531 | Polymer particles having select pendant groups and composition prepared therefrom Polymer particles having select functional or absorbing groups are provided. The polymer particles are useful for preparing organic-inorganic composite particles that are suitable for providing dried coatings with improved hiding. Aqueous compositions containing the... | 02/20/2007 |
| 7166178 | Protective film and method for preparing same A high-quality protective film for a dry film resist is provided. A film of a polyethylene is used as the protective film, the polyethylene being prepared by pressurizing ethylene with use of an ultra-high pressure compressor and then polymerizing the ethylene at a ... | 01/23/2007 |
| 7163992 | Methods for manufacturing a copolymer with a high yield by reacting a vinyl monomer and a macromonomer A process for producing a copolymer which comprises reacting a vinyl monomer with a macromonomer composition containing a macromonomer. The macromonomer composition is obtained by polymerizing at a temperature of 160 to 350° C. a monomer mixture comprising 10 to 80... | 01/16/2007 |
| 7122509 | High temperature foamer formulations for downhole injection Disclosed is a process for preparing a foamer composition having an anionic surfactant and a neutralizing amine. The process includes the steps of estimating an extent to which the anionic surfactant will decompose into acidic components under an elevated temperatur... | 10/17/2006 |
| 7105602 | Processing aid for thermoplastic resin and thermoplastic resin composition containing the same The present invention provides a processing aid for thermoplastic resin having a weight average molecular weight of 10,000 to 300,000, which is obtained by polymerizing an alkyl (meth)acrylate, or an alkyl (meth)acrylate and another vinyl monomer copolymerizable the... | 09/12/2006 |
| 7087689 | Method for polymerizing styrene A method of homogeneously polymerizing styrene comprising admixing an ethylenically unsaturated monomer and an initiation system that is soluble in the monomer. This system includes a metal; a peroxide, hydroperoxide or mixture thereof; and a reductant. Under approp... | 08/08/2006 |
| 7087693 | Polymerization process involving diacyl peroxides The invention relates to a process to make and use specific diacyl peroxides in polymerization reactions. The peroxides are produced and used in a polymerization process within a short timeframe in order to overcome stability issues associated with them. ... | 08/08/2006 |
| 7067599 | Fuel oil additives and compositions A copolymer comprising units derivable from (A) one or more olefins of defined chain length; and (B) one or more ethylenically unsaturated compounds different from (A). The copolymers are useful as cold flow improvers in fuel oils. ... | 06/27/2006 |
| 7052630 | Resin additive composition and process for producing the same In this application is disclosed a resin additive composition which can by produced by precipitating a calix(n+m+l)arene represented by the following general formula (2) and in a dissolved state together with or at the same time at least one functional ingredient se... | 05/30/2006 |
| 7026433 | Continuous bioreactor process for the preparation of polyester cyclic oligomers A continuous process for the process for the enzyme-catalyzed preparation of cyclic ester oligomers from linear ester oligomers. The process may use a linear or recirculating reactor. ... | 04/11/2006 |
| 7003731 | User control and activation of watermark enabled objects Methods and systems for associating watermark enabled objects with machine behaviors. Machine behaviors refer to actions by devices or systems in response to a triggering event. Examples of these behaviors include fetching a web page, opening an email client to send... | 02/21/2006 |
| 6979720 | manufacture of certain cyclic ester oligomers Enzymes which are capable of catalyzing esterifications and/or transesterifications such as selected lipases and esterases can, under specified conditions, convert certain lower linear oligomers of polyesters to their cyclic ester oligomers in quantities greater tha... | 12/27/2005 |
| 6949611 | Preparation of ethylene polymers by the high-pressure method A process for preparing ethylene polymers by the high-pressure method comprises dissolving one or more free-radical initiators in one or more ketones of the formula I where R1 and R2 are identical... | 09/27/2005 |
| 6939931 | Process for preparing solid polyvinyl ester resins The invention relates to a process for preparing solid polyvinyl ester resins using a bulk or solution polymerization process in the presence of a chain transfer agent, wherein one or more vinyl esters of unbranched or branched alkyl carboxylic acids having 1 to 15 ... | 09/06/2005 |
| 6919473 | Photostabilizers, UV absorbers, and methods of photostabilizing a sunscreen composition Derivatives of fluorene, including ester derivatives of cyano(9H-fluoren-9-ylidene) acetic acid, and sunscreen compositions including a mixture of a photoactive compound and an ester derivative of cyano(9H-fluoren-9-ylidene) acetic acid are disclosed herein. Also di... | 07/19/2005 |
| 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 |
| 6828401 | Preparation method of peg-maleimide derivatives The present invention relates to novel synthetic methods for PEG-maleimide derivatives, specifically, novel synthetic methods for PEG-maleimide. The final products thereof are useful as a pegylation reagent in the field of bioengineering and the medicinal field or t... | 12/07/2004 |
| 6815571 | Method for producing ethylene polymers in a high-pressure process A process for preparing ethylene polymers by the high-pressure method comprises dissolving one or more free-radical initiators in one or more ketones of the formula I where R1 and R2 are identical... | 11/09/2004 |
| 6762260 | Organoborane amine complex polymerization initiators and polymerizable compositions The invention is a two part polymerizable composition comprising in one part an organoborane amine complex and one or more compounds containing ring opening heterocyclic moieties, and in a second part, compounds capable of being polymerized by free radical polymeriz... | 07/13/2004 |
| 6740716 | Organoborane amine complex polymerization initiators and polymerizable compositions The invention is a two part composition useful for initiating cure of one or more polymerizable monomers which cure when exposed to free radicals comprising in one part an organoboraneamine complex and in a second part an isocyanate which is capable of decomplexing ... | 05/25/2004 |
| 6734264 | Chain transfer agent Vinylidene fluoride polymers are produced by using a C3-C5 hydrocarbon as a chain transfer agent in the free radical polymerization process. ... | 05/11/2004 |
| 6686431 | Optical coating having low refractive index A transparent and low refractive index optical coating for use in light transmitting electronic devices is disclosed. The optical coating comprises a hydrogel having a refractive index of less than 1.40.... | 02/03/2004 |
| 6673878 | Tubular polymerization reactors and polymers made therein Tubular reactor apparatus and processes are provided for improved polymerization including using chain transfer agents and multiple monomer feeds spaced lengthwise along the tubular reactor providing high conversions of monomer into polymer. The invention... | 01/06/2004 |
| 6670436 | Thermochromic dental material The invention relates to dental materials which contain a thermochromic dye and which display a reversible change of colour in the event of changes in temperature, so that they can be distinguished from the natural dentin.... | 12/30/2003 |
| 6602968 | Free radical polymerization method for fluorinated copolymers This invention concerns a process for production of copolymers, especially functionalized, or, at least partially fluorinated copolymers by means of a polymerization process comprising: co-polymerizing, in aqueous emulsion, one or more monomers selected f... | 08/05/2003 |
| 6596825 | Low gel high cis polydiene The present invention is directed to a process for forming a high-cis polydiene. The process includes catalyzing a diene polymerization, and terminating the polymerization with an amine-water termination mixture, preferably a TMEDA-water termination mixtu... | 07/22/2003 |
| 6569962 | Method for producing ethylene homopolymerizates and ethylene copolymerizates of a lower mass density The invention pertains to a method for producing ethylene homopolymerizates and ethylene copolymerizates exhibiting a lower mass density of up to 0.930 g/cm3 and a melt index ranging from 0.15 to 25 g/10 min (2.16 kg; 463 K). Said polymerizates... | 05/27/2003 |
| 6566549 | Continuous polymerization process and products therefrom A continuous process for oligomers which do not contain, as polymerized units, carboxylic acid-containing monomers and their salts, including the steps of: (1) forming a reaction mixture, substantially free of carboxylic acid-containing monomers and their... | 05/20/2003 |
| 6566469 | Enzyme-mediated polymerization methods and products A method for polymerization of substituted ethylene monomers in an enzyme-mediated process is disclosed. The reaction proceeds under mild conditions with a wide variety of monomers, and is capable of producing stereoregular polymers. In certain embodiment... | 05/20/2003 |
| 6562779 | Preparation of emulsifiable ethylene polymers Emulsifiable ethylene polymers comprising copolymers of from 90 to 95% by weight of ethylene, from 4 to 10% by weight of one or more C3 -C12 alkenecarboxylic acids, and from 0 to 1.2% by weight of one or more tertiary esters of the corres... | 05/13/2003 |
| 6376626 | Method of macromonomer synthesis A free-radical polymerization process for making macromonomers having the structure: ##STR1## comprising contacting: (a) CH2.dbd.CHY; (b) optionally, CH2.dbd.CXB; and (c) free-radicals, produced from a free-radical source; in wh... | 04/23/2002 |
| 6300427 | Inhibiting scale in vinyl monomer polymerization Disclosed is a method of inhibiting the formation of scale on reactor surfaces in contact with a polymerizing vinyl monomer comprising contacting said monomer with a terpolymer which comprises the condensation reaction product of (A) an aromatic compound ... | 10/09/2001 |
| 6294629 | Cyanoacrylate compositions This invention relates to cyanoacrylate-containing compositions that include, in addition to the cyanoacrylate component, the combination of two accelerators to improve fixture speeds on certain substrates.... | 09/25/2001 |