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| Number | Title | Issue Date |
| 8101711 | Process to modify polymeric materials and resulting compositions Disclosed is a method for modifying a polymer by carrying out a thermally-induced reaction in a mixing apparatus having a high shear environment and devolatilization capabilities. Also disclosed are the resulting materials. ... | 01/24/2012 |
| 7632916 | Process to modify polymeric materials and resulting compositions Disclosed is a method for modifying a polymer by carrying out a thermally-induced reaction in a mixing apparatus having a high shear environment and devolatilization capabilities. Also disclosed are the resulting materials. ... | 12/15/2009 |
| 7380735 | Method for preparing extremely small particles of recycled polyethylene terephthalate A process for preparing extremely small RPET particles comprises proving a quantity of RPET flakes, increasing the crystallinity of the RPET flakes, separating a portion of the RPET flakes having the lowest particle density from the remainder of the RPET flakes, and... | 06/03/2008 |
| 7345110 | Process for the continuous production of an aqueous polyurethane dispersion A process for the continuous production of an aqueous polyurethane dispersion based on at least one aliphatic and/or aromatic polyisocyanate is described, which is characterised by the following steps: a) production of an aqueous p... | 03/18/2008 |
| 7323540 | Process for preparing microrods using liquid-liquid dispersion The invention provides a method for forming polymer microrods, the method including the steps of providing a polymer solution comprising a polymer dissolved in a first solvent; providing a dispersion medium comprising a second solvent, wherein the first solvent and ... | 01/29/2008 |
| 7307132 | Method for producing low-odor hydrogel-forming polymers This invention relates to a process for preparing a low-odor hydrogel-forming acrylic acid polymer, which comprises the steps of: a) preparing a polymeric hydrogel by free-radically polymerizing a monomer composition comprising at least 50% by weight of acrylic acid... | 12/11/2007 |
| 7300861 | Method for interconnecting electronic components using a blend solution to form a conducting layer and an insulating layer An improved method of interconnecting electronic devices is described. In the method a blended material for forming a conducting layer and an insulating layer are deposited between a contact of a first electronic device and a second electronic device. The blended ma... | 11/27/2007 |
| 7208543 | Ethylene-propylene copolymers with an improved shape stability suitable for modifying lubricating oils and process for the preparation thereof A process is described for the preparation of viscosity index improver (V.I.I.) additives which includes treatment under high shear conditions of a composition comprising (i) one or more EP(D)M polymers and (ii) one or more polyvinylarene/hydrogenated conjugated die... | 04/24/2007 |
| 7173094 | Moldings of fluororubbers and process for their production Moldings of fluoro rubbers produced by crosslinking a tetrafluoroethylene/propylene copolymer or a tetrafluoroethylene/propylene/vinylidene fluoride copolymer, which have metal contents of 1.5% by mass or below in terms of metal elements and are suitable for use app... | 02/06/2007 |
| 7151158 | Method of preparing a poly(arylene ether), apparatus therefor, and poly(arylene ether) prepared thereby A method of precipitating a poly(arylene ether) includes combining a poly(arylene ether) solution with an antisolvent at a shear rate of greater than 50,000 sec−1. The high shear mixing conditions produce a poly(arylene ether) dispersion in which the po... | 12/19/2006 |
| 7135541 | Polyester process using a pipe reactor There are disclosed polyester processes using a pipe reactor and corresponding apparatuses. In particular, there are disclosed processes and corresponding apparatuses including an esterification pipe reactor operated in an upflow or downflow mode, especially in a re... | 11/14/2006 |
| 7087655 | Separation process for multi-component polymeric materials A method of separating at least one polymer from a mixture of polymers. The method includes adjusting the temperature of the mixture, either by heating or cooling, to bring the temperature to a temperature at which decombination of the polymer mixture occurs. Mechan... | 08/08/2006 |
| 7034067 | Adjustable jet disperser for producing aqueous two-component polyurethane paint emulsions The invention relates to a process for the production of aqueous two-component polyurethane lacquer emulsions, with variable throughput, and to the use thereof as high-quality lacquers and coatings. ... | 04/25/2006 |
| 6936686 | Cross-linked silicone gels; products containing the same; and methods of manufacture thereof A polymerization product of an polyorganohydrosiloxane having a molecular weight of about 3500 to about 4000 and 6-7 Si—H bonds per molecule with a lower alkylene terminated polydimethylsiloxane having a molecular weight of about 20,000 to about 25,000 in the pres... | 08/30/2005 |
| 6924351 | Method of processing polyethylene resins Process for pelletizing polyethylene resin are disclosed, the processes providing pelletized resin having reduced occurrence of defects such as black specks. Polyethylene resin is conveyed in a downstream direction through a mixer having a feed zone, a melt-mixing z... | 08/02/2005 |
| 6790932 | Process for obtaining non thermoprocessable fine powders of homopolymer or modified PTFE A process for obtaining non thermoprocessable fine powders of homopolymer or modified PTFE, comprising the following steps: A) obtaining of the polymer latex under the gel form; B) washing of the polymer gel with acid aqueous solutions or neutral aqueo... | 09/14/2004 |
| 6787633 | Method and apparatus for preparing a poly(arylene ether) A method of precipitating a poly(arylene ether) includes preparing a poly(arylene ether) solution comprising a poly(arylene ether) and a solvent, combining the poly (arylene ether) solution with an antisolvent to form a poly(arylene ether) dispersion comprising a po... | 09/07/2004 |
| 6780966 | Coagulation process of PTFE fine powders A continuous coagulation process of PTFE or modified PTFE fine powders, comprising: a1) dilution in a lift of a PTFE latex up to a concentration from 5 to 25% w/w of PTFE, and optional filtration of the obtained diluted latex, b1) latex pressurization ... | 08/24/2004 |
| 6699964 | Process for producing polymer particle A production method of polymer particles produces graft polymer particles by contacting a coagulant with a polymer latex (A) obtained by graft polymerizing a monomer containing methylmethacrylate to a rubber-like polymer. The method comprises a coagulatio... | 03/02/2004 |
| 6610818 | Process for producing amino resin particles A process for producing amino resin particles includes: a reaction process for obtaining a reaction solution containing an amino resin precursor which is obtained by a reaction of an amino compound with formaldehyde, and having a viscosity in a range of f... | 08/26/2003 |
| 6562879 | Water-absorbent resin powder and its production process and use The present invention provides a water-absorbent resin powder and its production process and use, wherein the water-absorbent resin powder has high liquid permeability and high water absorbency. The production process for a water-absorbent resin powder, a... | 05/13/2003 |
| 6548629 | Polar solvent compatible polyethersiloxane elastomers The cross-linked hydrosilylation reaction product of an alkenyl functional silicone compound, a silylhydride functional silicone compound, and one or more allyl started, hydrogen, alkyl, aryl or acyl terminated polyether compounds exhibits stability, comp... | 04/15/2003 |
| 6433133 | Process for reducing the weight average molecular weight and melt index ratio of polyethylenes and polyethylene products There is described a process for producing ethylene homopolymers and/or interpolymers and functionalized ethylene homopolymers and/or interpolymers, having reduced melt index ratio (MIR) and reduced weight average molecular weight (Mw). Also disclosed are... | 08/13/2002 |
| 6416698 | Fluoropolymer finishing process Beads of melt-fabricable fluoropolymer dispersion particles are produced by a solvent-aided pelletization process using fluorinated solvent containing ether oxygen.... | 07/09/2002 |
| 6388000 | Method for production of hydrophilic resin In the production of an acrylate polymer by the steps of preparing a water-soluble unsaturated monomer having a ratio of neutralization in the range of 30 to 100 mol % and containing 50 to 100 mol % of an acrylate and then polymerizing the monomer, a meth... | 05/14/2002 |
| 6291563 | Elastomer dispersion having a unique particle size distribution A composition comprising the hydrosilylation addition product of a linear alkenyl functionalized polyorganosiloxane and an MH Q resin and a low molecular weight silicone when subjected to a new particle size reduction process that includes flow... | 09/18/2001 |
| 6232436 | Process for making-up polyamide resins solid at room temperature A process for granulating a polyamide resin involving: (a) providing an underwater granulating device having a heated multiple-bore die wherein the bores have an internal diameter ranging from 1.2 to 2.5 mm and a length of from 12 to 50 mm; (b) providing ... | 05/15/2001 |
| 6214892 | Polycarbonate isolation through homogenization devolatization This invention relates to a method of recovering a polymer from an organic mixture comprising polymer and an organic solvent, the method comprising: a) admixing an aqueous solution and the organic mixture by the application of a combined mechanical and hydraul... | 04/10/2001 |
| 6187825 | Method and device for the continuous coagulation of aqueous dispersions of graft rubbers A process for the continuous coagulation of aqueous dispersions of graft rubbers suitable for toughening thermoplastics is described. In the process, dispersions are transported through an apparatus having at least one shear element with a slotted stator ... | 02/13/2001 |
| 6166118 | Emulsification process for functionalized polyolefins and emulsions made therefrom A process for emulsifying a functionalized polyolefin is described. A functionalized polyolefin having a weight average molecular weight greater than 10,000, a fatty acid, a base in an amount sufficient to neutralize the functionalized polyolefin and the ... | 12/26/2000 |
| 6156875 | Method of coagulating and isolating graft copolymers from latices Graft copolymer particles comprising an elastomeric base polymer such as polybutadiene and grafted chains of a thermoplastic, non-elastomeric polymer such as styrene-acrylonitrile are coagulated for isolation from aqueous emulsion by subjecting the emulsi... | 12/05/2000 |
| 6153711 | Rheology modification of precursor solutions A method for tailoring the viscosity of a conjugated polymer precursor, the method comprising synthesizing the precursor by a polymerization reaction and, during the polymerization reaction, applying a shear to the reactants of the polymerization reaction... | 11/28/2000 |
| 6060584 | Process for the degradation of polyolefins A novel process for the production of degraded polyolefin is described. The process involves introducing polyolefin into one end of a vented multi-screw extruder, in the substantial absence of free radical initiator and oxidizing agent, and removing degra... | 05/09/2000 |
| 5994499 | Granulated powder of polytetrafluoroethylene for molding and process for the production thereof To provide a polytetrafluoroethylene granular powder for molding and a process for preparing the granular powder, in which the granular powder contains only a small number of coarse particles, is obtained with good tumbling efficiency and further no organ... | 11/30/1999 |
| 5990272 | Method of treating polyolefin A method of treating polyolefin comprises (i) a ligand-decomposition step of contacting polyolefin, which is obtained by the use of a transition metal compound containing ligands having cyclopentadienyl skeleton, with a ligand decomposer, such as water, o... | 11/23/1999 |
| 5981653 | Process for the production of aqueous stoving coating compositions The present invention relates to a process for the production of aqueous dispersions which form powder coatings at room temperature, have an average particle size of 0.1 to 10 μm, contain polyols and blocked polyisocyanate crosslinking agents, and, after... | 11/09/1999 |
| 5977295 | Continuous process for preparing polytetrafluoroethylene wet powder A process for continuously preparing a wet powder of PTFE, comprising the step of continuously slurrying a PTFE aqueous dispersion with a high shear machine having a rotating element, and the step of continuously granulating the slurry by using vertical a... | 11/02/1999 |
| 5952460 | Process of recovering polymers of hydroxyalkanoic acids A process of recovering PHA from a suspension which comprises particles of PHA in a liquid which comprises maintaining the suspension at a temperature at which the PHA melts and substantial coalescence of PHA particles occurs thereby at least partly formi... | 09/14/1999 |
| 5929162 | Elastomer dispersion having a unique particle size distribution A composition comprising the hydrosilylation addition product of a linear alkenyl functionalized polyorganosiloxane and an MH Q resin and a low molecular weight silicone when subjected to a new particle size reduction process that includes flow... | 07/27/1999 |
| 5929164 | Quenching post cure A method of thickening solvents involves reacting (A) an .tbd.Si--H containing polysiloxane with (B) an alpha, omegadiene; conducting the reaction in the presence of a platinum catalyst and (C) a solvent; continuing the reaction until a gel is formed by c... | 07/27/1999 |
