Patents Examined by Helen L. Pezzuto
  • Patent number: 7557239
    Abstract: The present invention provides compounds having in their molecule a structure contributing to high hydrophilicity, and having high photopolymerizability, as well as polymers of such compounds, and a method for producing the compound. The compounds are diol (meth)acrylate having a urethane bond represented by the formula (1), and cyclic ketal (meth)acrylate having a urethane bond represented by the formula (2): (R1: H, —CH3; R2: —(CH2)n-; R3: —(CH2)m-; n: 1-4; m: 1-8; (AO): C2-C4 oxyalkylene group; x: 0-1000; R4, R5: H, —CH3, —C2H5).
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: July 7, 2009
    Assignee: NOF Corporation
    Inventors: Eui-chul Kang, Atsuhiko Ogura, Shingo Kataoka, Takashi Iwata
  • Patent number: 7550199
    Abstract: A method for imparting resistance to staining to a substrate comprising contacting the substrate with a copolymer comprising the monomers of Formula wherein D is at least one vinyl monomer selected from the group consisting of aryl olefin, alpha olefin and diene, each M is independently H, Ca, Mg, Al, Na, or K, each R1 is independently H, C1-C6 alkyl, or C1-C6 hydroxyalkyl, each R2 is independently linear or branched C1-C12 alkyl, C1-C6 hydroxyalkyl, C6F5, arylalkyl, C6H4OH, R3COOH, or R3SO3H, or R1 and R2 are linked together to form a morpholino or pyrrolidino ring, R3 is linear or branched C1-C12 alkyl, CH(COOH)CH2CH2, C6H4, or C6H3(OH), h1+h2 is h, h is a positive integer, k is zero or a positive integer, i and j are each independently zero or a positive integer, provided that the total of 1) h÷(k+h+i+j) is from about 0.005 to about 0.7, 2) k÷(k+h+i+j) is from about 0.3 to about 0.6, 3) [i+j]÷(k+h+i+j) is 0 to about 0.6, and provided that the sum of 1)+2)+3) is 1.
    Type: Grant
    Filed: July 31, 2006
    Date of Patent: June 23, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Timothy Edward Hopkins, Stephen Ernest Jacobson, Melea Rena Langley, Peter Michael Murphy
  • Patent number: 7550536
    Abstract: The objective of the present invention is to provide an acrylic ester-based copolymer rubber which gives a rubber product excellent in fuel oil resistance and tensile strength and which is crosslinkable with sulfur and/or an organic peroxide and to provide a process for producing the same, as well as a rubber composition, an oil-resistant and weather-resistant rubber composition, and an oil-resistant and weather-resistant rubber product. The acrylic ester-based copolymer rubber of the present invention comprises a structural unit derived from at least one monomer selected from the group consisting of an acrylic acid alkyl ester and an acrylic acid alkoxyalkyl ester in an amount from 40 to 91.9% by mass, a structural unit derived from an unsaturated nitrile monomer in an amount from 8 to 40% by mass, and a structural unit derived from at least one monomer selected from the group consisting of a non-conjugated cyclic polyene and a compound having a specific structure in an amount from 0.
    Type: Grant
    Filed: December 25, 2002
    Date of Patent: June 23, 2009
    Assignee: JSR Corporation
    Inventors: Nobutoshi Kobayashi, Minoru Tsuneyoshi, Katsutaka Yokoi
  • Patent number: 7544755
    Abstract: Crosslinked polymeric materials are described that contain pendant amine capture groups. The amine capture groups include N-sulfonyldicarboximide groups that can react with amine-containing materials by a ring opening reaction. Reaction mixtures used to prepare the crosslinked polymeric materials, articles containing the crosslinked polymeric materials, methods of making articles, and methods of immobilizing an amine-containing material are also described.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: June 9, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: George G. I. Moore, Rahul R. Shah, Karl E. Benson, Charles M. Leir
  • Patent number: 7544754
    Abstract: Crosslinked polymeric materials are described that contain pendant amine capture groups. The amine capture groups include N-sulfonylaminocarbonyl groups that can react with amine-containing materials by a nucleophilic displacement reaction. Reaction mixtures used to prepare the crosslinked polymeric materials, articles containing the crosslinked polymeric materials, methods of making articles, and methods of immobilizing an amine-containing material are also described.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: June 9, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Charles M. Leir, George G. I. Moore, Rahul R. Shah, Karl E. Benson
  • Patent number: 7544733
    Abstract: Aqueous coating compositions are described where the binder includes an anionically stabilized polymeric dispersion. The monomers used to prepare the dispersion are acrylic acid and methacrylic acid as a carboxylic monomer and styrene, alpha methyl styrene or vinyl toluene as a hydrophobic high Tg aromatic monomer and an alkyl acrylate ester as a low Tg monomer. The relative weight proportions of the monomers are required to satisfy a formula. Blends of high and low Tg dispersions are also described. Paints formulated with the binders exhibit an excellent balance of stain resistance, tint strength and viscosity stability.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: June 9, 2009
    Assignee: Orica Australia Pty Ltd.
    Inventors: Michelle Carey, Karen Elsbury, Patrick Houlihan, Bruce Leary, Lisa Madigan, Thamala Weerasinghe, Chantel Marise, Susan George
  • Patent number: 7544756
    Abstract: Crosslinked polymeric materials are described that contain pendant amine capture groups. The amine capture groups include N-sulfonyldicarboximide groups that can react with amine-containing materials by a ring opening reaction. Reaction mixtures used to prepare the crosslinked polymeric materials, articles containing the crosslinked polymeric materials, methods of making articles, and methods of immobilizing an amine-containing material are also described.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: June 9, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Rahul R. Shah, Karl E. Benson, Charles M. Leir, George G. I. Moore
  • Patent number: 7524905
    Abstract: Substantially linear copolymers derived from at least one acyclic aliphatic olefin monomer and at least one nitrogen containing vinyl monomer, wherein the at least one nitrogen containing vinyl monomer is according to Formula (I) wherein R19 is selected —C?C; and —C(O)—C?C; wherein R20 and R21 are independently selected from H, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a biphenyl group, a carboxylate group, a carboxyalkyl group, a carboxyarylalkyl group, an alkoxy group, an alkenyloxy group, an alkynyloxy group, an aryloxy group, an alkoxycarbonyl group, and derivatives thereof. Also disclosed are methods of making such copolymers using late transition metal catalyst complexes.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: April 28, 2009
    Assignee: Rohm and Haas Company
    Inventors: David M. Conner, Brian Leslie Goodall, Lester Howard McIntosh, III
  • Patent number: 7517705
    Abstract: The invention relates to a phosphorus-containing polymer for coating dielectric materials, to processes for its preparation and to its use, as well as to an optical signal transducer having a coating of the polymer and to its use.
    Type: Grant
    Filed: August 21, 2006
    Date of Patent: April 14, 2009
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ingmar Dorn, Burkhard Kohler
  • Patent number: 7514500
    Abstract: The invention provides a process for preparing polymeric beads of complexing resin incorporating magnetic particles, which process comprises: producing a dispersion having a continuous aqueous phase and a dispersed organic phase, said organic phase comprising one or more polymerisable monomers, magnetic particles and a dispersing agent for dispersing said magnetic particles in the organic phase; polymerising said one or more polymerisable monomers to form polymeric beads incorporating said magnetic particles, wherein said polymeric beads include amine groups capable of complexing a transition metal cation, or wherein said polymeric beads are reacted with one or more compounds to provide amine groups capable of complexing a transition metal cation, complexing resins prepared by this process, and polymeric beads of complexing resin comprising a polymer matrix having magnetic particles dispersed substantially uniformly therein, wherein the polymer matrix incorporates amine groups capable of complexing a transiti
    Type: Grant
    Filed: January 8, 2003
    Date of Patent: April 7, 2009
    Assignees: Commonwealth Scientific and Industrial Research Organization, Orica Australia Pty. Ltd.
    Inventors: Robert James Eldridge, Marck Norret, Thomas W. Dahlke, Mathew John Ballard, Beryn John Adams
  • Patent number: 7514511
    Abstract: Free radical polymerization process for preparing polymers with low polydispersity index and polymers obtained thereby. The process includes polymerizing at least one reactive monomer with at least one initiator and at least one ionic liquid (serving as solvent) to obtain polymers having a low polydispersity index of less than 1.5, wherein the reactive monomer is a nitrogen-containing monomer. In addition, the free radical polymerization processes have reaction time within 3 hours.
    Type: Grant
    Filed: September 1, 2005
    Date of Patent: April 7, 2009
    Assignee: Industrial Technology Research Institute
    Inventors: Balaganesan Banumathy, Wen-Yueh Ho, Tun-Fun Way, Lien Tai Chen
  • Patent number: 7501471
    Abstract: A waterborne hydrophobic barrier coating formulation comprising a blend of a vinyl acetate-ethylene (VAE) polymer emulsion and a paraffin wax emulsion, wherein a dried coating of the blend on a substrate, such as a nonwoven web, an absorbent pad, or a textile, and dried, has a hydrostatic head barrier sufficient to prevent passage of fluids but allow passage of water vapor through it. A multi-layer material comprising at least one layer of a nonwoven web, an absorbent pad, or a textile, and at least one layer of a blend of a VAE polymer emulsion and paraffin wax emulsion.
    Type: Grant
    Filed: January 24, 2006
    Date of Patent: March 10, 2009
    Assignee: Wacker ChemicalCorporation
    Inventor: John Richard Boylan
  • Patent number: 7498395
    Abstract: A method of preparing a (meth)acrylate functionalized polymer comprising the steps of mixing together a monofunctional vinylic monomer with from 0.3-100% w/w (based on monofunctional monomer) of a polyfunctional vinylic monomer and from 0.0001-50% w/w of a chain transfer agent, reacting said mixture to form a polymer and terminating the polymerization reaction before 99% conversion. The resulting polymers are useful as components of surface coatings and inks, as moulding resins or in curable compounds, e.g. curable moulding resins or photoresists.
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: March 3, 2009
    Assignee: Lucite International UK Ltd.
    Inventors: Michael S. Chisholm, Andrew T. Slark
  • Patent number: 7485607
    Abstract: The use of NIPAM polymers to prevent or reduce the formation of protein deposits on the surfaces of medical devices is described. The invention is particularly directed to reduction of the adsorption of proteins on surfaces of contact lenses and other medical prosthetics.
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: February 3, 2009
    Assignee: Alcon, Inc.
    Inventor: Howard Allen Ketelson
  • Patent number: 7482405
    Abstract: The present invention concerns a cement additive containing copolymers comprising one or more constitutional units represented by formula A: (A) R1 is hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkenyl group having 1 to 4 carbon atoms or an aryl group having 6 to 9 carbon atoms; R2 is hydrogen or an alkyl group having 1 to 9 carbon atoms, an alkenyl group having 1 to 9 carbon atoms or an aryl group having 6 to 9 carbon atoms; T is alkylene (including straight-chain and branched alkylene) having 1 to 4 carbon atoms or arylene having 6 to 9 carbon atoms; n is 0 or 1; S1 and S2 are, independently of one another, —OCkH2k— or —OCH2CHR3—, with the proviso that k is 2 or 3, R3 is an alkyl group having 1 to 9 carbon atoms, an aryl group having 6 to 9 carbon atoms; and 6<_m1+m2<_25.
    Type: Grant
    Filed: March 5, 2004
    Date of Patent: January 27, 2009
    Assignee: Construction Research & Technology GmbH
    Inventors: Toshimi Matsumoto, Sven Asmus, Gerhard Albrecht, Klaus Lorenz, Petra Wagner, Christian Scholz
  • Patent number: 7468344
    Abstract: The use of NIPAM polymers to prevent or reduce the formation of protein deposits on the surfaces of medical devices is described. The invention is particularly directed to reduction of the adsorption of proteins on surfaces of contact lenses and other medical prosthetics.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: December 23, 2008
    Assignee: Alcon, Inc.
    Inventor: Howard Allen Ketelson
  • Patent number: 7459489
    Abstract: Hydrophilic compositions are described, which are prepared from a first oligomer containing pendent polymerizable groups and pendent hydrophilic groups, crosslinked with a co-reactive second component oligomer possessing photoinitiator groups. The compositions may be used as in preparation of hydrophilic gel coatings or layers for medical devices.
    Type: Grant
    Filed: August 8, 2006
    Date of Patent: December 2, 2008
    Assignee: 3M Innovative Properties Company
    Inventors: Kevin M. Lewandowski, Duane D. Fansler, Michael S. Wendland, Steven M. Heilmann, Babu N. Gaddam
  • Patent number: 7449531
    Abstract: Method of producing vinyllactam copolymers by free-radical polymerization of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer in an organic solvent in the presence of an initiator under reflux conditions, where the condensate formed in the reflux is returned to the polymerization mixture from below.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: November 11, 2008
    Assignee: BASF SE
    Inventors: Rainer Dobrawa, Ralf Widmaier, Eberhard Schupp, Klaus Schnell, Martin Meister
  • Patent number: 7446157
    Abstract: The present invention relates to novel materials particularly useful for ophthalmic applications and methods for making and using the same. More particularly, the present invention relates to relatively soft, optically transparent, foldable, high refractive index materials particularly suited for use in the production of intraocular lenses, contact lenses, and other ocular implants and to methods for manufacturing and using the same.
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: November 4, 2008
    Assignee: Key Medical Technologies, Inc.
    Inventors: Khalid Mentak, Anthony Keslinke, Kevin Phan
  • Patent number: 7446149
    Abstract: A refinish clearcoat composition includes an hydroxyl-functional acrylic polymer. The acrylic polymer has a number average molecular weight of at least about 5000 and is polymerized using at least about 45% by weight cycloaliphatic monomer, based on total monomer weight polymerized. The clearcoat composition is fast drying. Optionally, the clearcoat is cured by low temperature baking. The cured clearcoat surface may be taped without leaving tape marks as soon as the substrate is cooled. The cured clearcoat may undergo wet sanding after baking as soon as the part is cooled, and can then be buffed back to a high gloss finish after sanding and washing.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: November 4, 2008
    Assignee: BASF Corporation
    Inventors: Ali Rihan, Emerson Keith Colyer