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Class 525/244 - Contacting a solid polymer derived from ethylenic reactants only with an ethylenic reactant in the presence of a specified material


Subclass of Class 525 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter drawn to processes wherein a solid polymer
No. of patents: 302
Last issue date: 05/08/2012


1                
NumberTitleIssue Date
8173750Star macromolecules for personal and home care
A polymer composition comprising star macromolecules is provided. Each star macromolecule has a core and five or more arms, wherein the number of arms within a star macromolecule varies across the composition of star molecules. The arms on a star are covalently atta...
05/08/2012
7795353Method for producing a modified propylene polymer
Disclosed is a method for producing a modified propylene polymer, the method comprising heating a mixture of 100 parts by weight of a propylene polymer (A) defined below and from 0.1 to 50 parts by weight of an ethylenically unsaturated bond-containing monomer (B) i...
09/14/2010
7754817Low temperature initiators for improving the rubber phase volume of HIPS formulations
Peroxide initiators are disclosed that can be used at lower temperatures during HIPS production. Enhanced formation of graft polymers between polystyrene and polybutadiene (rubber) can be accomplished by using these lower temperature peroxide initiators that have a ...
07/13/2010
7714075Polymerization 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...
05/11/2010
7595366N-poly(alkenyl) acrylamides and process for preparation thereof
The present invention relates to novel N-Poly (alkenyl) acryl amides of formula (1) where in m=1-8, n=2-100 and to a process for preparation thereof and process for preparation thereof by reacting an unsaturated poly(olefin...
09/29/2009
7435781Polymers for electrical applications
Electrical insulation compounds are disclosed, the insulation compounds including an ethylene polymer comprising at least 40 wt % ethylene-derived units and having a density of ≦0.91 g/cm3 and a propylene polymer comprising at least 75 wt % propylene-de...
10/14/2008
7396871Rubber modified acrylic and/or vinyl hybrid resins
This invention relates to a rubber modified acrylic and/or vinyl resin comprising the mini-emulsion polymerization product of at least one rubber compound substantially dissolved in at least one acrylic monomer and/or vinyl monomer. ...
07/08/2008
7361711Compositions for use in golf balls
A golf ball including a core and at least one layer disposed about the core, wherein the core or the layer is formed from a composition including a base polymer, a crosslink initiator, and an additive, wherein the additive is both an inorganic-sulfur compound and a ...
04/22/2008
7357940Implantable or insertable medical devices containing graft copolymer for controlled delivery of therapeutic agents
Implantable or insertable medical devices are described. The medical devices comprise (a) a therapeutic agent and (b) a polymeric release region that controls the release of the therapeutic agent upon administration to a patient. The polymer release region comprises...
04/15/2008
7335703Polyolefin graft copolymer prepared in the presence of coordination polymerization catalyst based on late transition metal complex and method for making the same
A novel polyolefin graft copolymer prepared by graft-copolymerizing an olefin monomer with a (meth)acryl macromonomer or an isobutylene macromonomer in the presence of a coordination polymerization catalyst based on a late transition metal complex and a method for m...
02/26/2008
7323528Block copolymers containing functional groups
The present invention provides a block copolymer of styrene and an unsaturated cyclic anhydride, such as maleic anhydride, a process for making a copolymer using controlled free radical polymerization in which certain parameters are adjusted to control the microstru...
01/29/2008
7312534Interlayer dielectric and pre-applied die attach adhesive materials
The present invention relates to interlayer dielectric materials and pre-applied die attach adhesives, more specifically pre-applied die attach adhesives (such as wafer and other substrate-applied die attach adhesives), methods of applying the interlayer dielectric ...
12/25/2007
7312273High gloss sealer for painted art pieces
An improved coating composition for use in providing a glossy finish to various objects comprises from about 80 to about 92 percent by weight of an acrylic emulsion polymer; and from about 5 to about 12 percent of a glycol ether. The composition also includes from a...
12/25/2007
7297748Direct to metal polyurethane coating compositions
The invention is directed to a direct to metal coating composition containing an acrylic polyol synthesized with a phosphated monomer having improved adhesion and corrosion resistance characteristics. The invention is also directed to a method for producing a direct...
11/20/2007
7282537Propylene-based polymer, polypropylene resin composition, and injection molded article
Disclosed is a propylene-based polymer including from 51 to 75% by weight of a propylene-ethylene random copolymer component (A) having an intrinsic viscosity [η]A, measured in tetralin at 135° C., of 5 dl/g or more and an ethylene content of not less t...
10/16/2007
7282540Process for producing particles for diagnostic reagent
A process of producing particles for diagnostic reagent, including forming a matrix particle by mixing a nuclear particle having a CV value of 20% or less and a magnetic substance containing at least one of Fe2O3 and Fe3O4
10/16/2007
7241455Implantable or insertable medical devices containing radiation-crosslinked polymer for controlled delivery of a therapeutic agent
An implantable or insertable medical device which comprises (a) a therapeutic agent and (b) a polymeric release region that controls the release of the therapeutic agent upon administration to a patient. The polymeric release region comprises a radiation-crosslinked...
07/10/2007
7230051Use of polyacrylate-modified polysiloxanes as levelling agents in coating compositions
The invention relates to the use of block copolymers as leveling agents for surface coatings, having a weight-average molecular weight of from 1000 to 100000. The leveling agent is a linear or branched block copolymer composed of a polysiloxane block and one or more...
06/12/2007
7214745Process for producing polymer
A process for producing an olefin polymer with high polymerization activity without using an expensive co-catalyst or using a limited amount of the co-catalyst, more particularly a process for producing a high molecular weight (co)polymer with high polymerization ac...
05/08/2007
7211619Stabilizing high-vinyl polybutadiene
A stabilized high-vinyl polybutadiene composition comprising a high-vinyl polybutadiene, and an antioxidant defined by the formula where each R1 and R2, which may be the same or different, a...
05/01/2007
7209324Sliders bonded by a debondable encapsulant containing styrene and butadiene polymers
The invention relates generally to the bonding of one or more sliders in styrene and butadiene polymers. More particularly, the invention relates to planarized slider assemblies formed by using debondable solid encapsulants comprised of styrene and butadiene polymer...
04/24/2007
7196140Highly flowable propylene block copolymers
The invention relates to highly flowable propylene block copolymers that comprise 50 to 80 wt.-% of a propylene homopolymer and 10 to 70 wt.-% of a propylene copolymer having 5 to 50 wt.-% of a C2–C8 alk-1-ene polymerized into it that is diff...
03/27/2007
7176044B-stageable die attach adhesives
The present invention relates to b-stageable die attach adhesives, methods of preparing such adhesives, methods of applying such adhesives to the die and other substrate surfaces, and assemblies prepared therewith for connecting microelectronic circuitry. ...
02/13/2007
7169843Superabsorbent polymer with high permeability
The invention relates to absorptive, crosslinked polymers which are based on partly neutralized, monoethylenically unsaturated monomers carrying acid groups, and have improved properties, in particular in respect of their capacity for transportation of liquids in th...
01/30/2007
7144959Modifier for hydrocarbon polymers, hydrocarbon polymer composition and moldings
The present invention has a main object to provide a modifier for hydrocarbon polymer that improves a coatability of a surface of a hydrocarbon polymer molding. To attain the object, the present invention provides a modifier for hydrocarbon polymer which contains, a...
12/05/2006
7138468Preparation 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
7132469Molding compositions with solid thermoplastic elastomer thickeners and products obtained therefrom
A method of preparing thickened compositions which can be molded under low pressures and temperatures to provide thermoset articles, wherein liquid reactive components are slowly absorbed in solid thermoplastic elastomer thickeners such as thermoplastic ionomers and...
11/07/2006
7105175Implantable or insertable medical devices for controlled delivery of a therapeutic agent
The present invention is directed to novel implantable or insertable medical devices that provide controlled release of a therapeutic agent. According to an embodiment of the present invention, a therapeutic-agent-releasing medical device is provided, which comprise...
09/12/2006
7101936Olefin polymerization process to produce branched polymer compositions
A method of lowering MFR response of a high-melt-flow-rate-polymer-producing metallocene catalyst is provided. The method includes contacting the metallocene catalyst with a sufficient quantity of α,ω-diene monomer such that when the catalyst composition is contac...
09/05/2006
7094833Block copolymer
Provided are a block copolymer including a polymer block containing acrylonitrile or methacrylonitrile as a principal constituent, which is excellent in heat resistance, weatherability, oil resistance, flame retardancy, and low-temperature resistance and which can b...
08/22/2006
7094849Bulk polymerization process for producing polydienes
A method of producing cis-1,4-polydienes, the method comprising the step of contacting conjugated diene monomer with a lanthanide-based catalyst system in the presence of less than 20% by weight of organic solvent based on the total weight of monomer, organic solven...
08/22/2006
7081543Bridged biscyclopentadienyl ligands and method of preparation
The present invention relates to ligands and the synthesis of those ligands for use in metallocene complexes. More particularly, the present invention relates to the synthesis of diarylsilyl bridged biscyclopentadienes using diarylsilyldisulfonates. Even more partic...
07/25/2006
7056983Block copolymer
Processes for producing an AB block copolymer, an ABA block copolymer or a multiblock copolymer are provided, which comprises adding an alkenyl-containing polymer (I) to a living or to an atom transfer radical polymerization system or a living cationic polymerizatio...
06/06/2006
7056984Acrylic syrup and method of producing same
Disclosed is an acrylic syrup containing a vinyl monomer (A) of methyl methacrylate and a polymerized solid component (B) which is a high polymer of said vinyl monomer and has a weight average molecular weight of from 30,000 to 2,000,000 as measured by the GPC and a...
06/06/2006
7049373Process for preparation of graft polymers
A polymerization process is provided for the preparation of graft (co)polymers. An embodiment of the polymerization process of the present invention comprises copolymerizing macromonomers with (co)monomers utilizing a macroinitiator to form a graft (co)polymer. A fu...
05/23/2006
7048023Pneumatic tire having a component containing high trans styrene-butadiene rubber
The invention is directed to a pneumatic tire having at least one component comprising a vulcanizable rubber composition, wherein the vulcanizable rubber composition comprises, based on 100 parts by weight of elastomer (phr), from about 30 to 100 phr of high trans r...
05/23/2006
7030187Cellulose copolymers that modify fibers and surfaces and methods of making same
Cellulosic polymers, copolymers and grafts, are disclosed that adhere to fibers and surfaces during an aqueous treatment process. The cellulosic polymers having grafts and/or co-blocks are prepared using living-type free radical polymerization techniques, which prov...
04/18/2006
7022766Olefin block copolymer, viscosity index improver for lubricating oils and lubricating oil composition
The present invention provides an olefin block copolymer for a viscosity index improver capable of preparing a lubricating oil composition having excellent low temperature properties and excellent balance between viscosity and shear stability, a viscosity index impr...
04/04/2006
7012119Cleaving and replacing thio control agent moieties from polymers made by living-type free radical polymerization
A method of free radical polymerization and for cleaving a thio group from the resulting polymer is provided. The method comprises forming a mixture of one or more monomers, at least one free radical source and a control agent, wherein the control agent comprises a ...
03/14/2006
7008899Lanthanide-based catalyst composition for producing cis-1,4-polydienes
A catalyst composition that is the combination of or the reaction product of ingredients comprising (a) a lanthanide compound, (b) an organoaluminum hydride, and (c) a tin halide compound. ...
03/07/2006
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