Patents Examined by David Wu
  • Process to form modified pigments
    Patent number: 7906590
    Abstract: A method of forming a modified pigment comprising a pigment having attached at least one polymeric group is described. In one embodiment, a polymer, a pigment, a linking agent, and an optional activating agent are combined, and the linking agent is reacted with the polymer and the pigment to form the modified pigment. In another embodiment, a polymer melt is formed comprising a polymer and an optional plasticizer, and the polymer melt, a pigment, and an optional activating agent are combined, in any order, under high-intensity mixing conditions. Also disclosed are modified pigments having specific properties and inkjet ink compositions comprising them.
    Type: Grant
    Filed: January 23, 2008
    Date of Patent: March 15, 2011
    Assignee: Cabot Corporation
    Inventors: Sze-Ming Lee, Dave S. Pope
  • Tetramerization
    Patent number: 7906681
    Abstract: A new P—N—P ligand is useful in ethylene oligomerizations. In combination with i) a source of chromium and ii) an activator such as methylalumoxane; the ligand of this invention may be used to prepare an oligomer product that contains a mixture of hexenes and octenes. The hexenes and octenes produced with this ligand contain very low levels of internal olefins when produced under preferred reaction conditions.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: March 15, 2011
    Assignee: Nova Chemicals (International) S.A.
    Inventors: Xiaoliang Gao, Charles Ashton Garret Carter, Lee Douglas Henderson
  • Three dimensional printing material system and method using peroxide cure
    Patent number: 7905951
    Abstract: A materials system and methods are provided to enable the formation of articles by Three Dimensional Printing. The materials system includes a transition metal catalyst that facilitates the reaction of an acrylate-containing binder with a particulate material.
    Type: Grant
    Filed: December 7, 2007
    Date of Patent: March 15, 2011
    Assignee: Z Corporation
    Inventor: Derek X. Williams
  • Tetramine compound and organic EL device
    Patent number: 7902402
    Abstract: The present invention provides a method for producing a tetramine compound represented by formula (1): wherein R1, R2 and R3, which may be the same or different, each represents a hydrogen atom, a tertiary alkyl group having 4 to 8 carbon atoms, an unsubstituted aryl group or an aryl group substituted with a tertiary alkyl group having 4 to 8 carbon atoms, and n represents 3 or 4.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: March 8, 2011
    Assignee: Hodogaya Chemical Co., Ltd.
    Inventors: Shigeru Kusano, Makoto Koike, Atsushi Takesue, Mitsutoshi Anzai
  • Slip- and leveling agent
    Patent number: 7902297
    Abstract: The invention relates to a slip- and leveling agent characterized in that it comprises a copolymer which is obtained by copolymerizing A. at least one unit of a mono- or di perfluoroester of an unsaturated dicarboxylic-acid; B. at least one terminal reactive polysiloxane unit; C. at least one alkyl(meth)acrylate unit or cycloalkyl(meth)acrylate unit and/or (meth)acrylic acid and/or other units originating from vinylic compounds that can form radicals.
    Type: Grant
    Filed: May 16, 2006
    Date of Patent: March 8, 2011
    Assignee: BASF SE
    Inventors: Lothar Alexander Engelbrecht, Frank Oliver Heinrich Pirrung, Petrus Johannes Harbers, Arend Noordam, Martin Philipoom
  • Functionalized polymers and improved tires therefrom
    Patent number: 7902278
    Abstract: A functionalized elastomer defined by the formula where ? includes a polymer chain, ? includes a group 14 element, R1 and R2 each independently include hydrogen, or a monovalent organic group, or a polymer chain, R3 and R4 each independently include a divalent organic group or a covalent bond, R5, R6, R7, R8 and R9 each independently include a monovalent organic group or a hydrogen atom.
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: March 8, 2011
    Assignee: Bridgestone Corporation
    Inventors: Terrence E. Hogan, Christine Rademacher
  • 3,4-dicarboxy-1,2,3,4-tetrahydro-6-t-butyl-1-naphthalene-succinic dianhydride and liquid crystal aligning agent comprising polyimide resin prepared from the dianhydride
    Patent number: 7901745
    Abstract: 3,4-Dicarboxy-1,2,3,4-tetrahydro-6-t-butyl-1-naphthalene-succinic dianhydride is provided. The tetracarboxylic dianhydride is represented by Formula 1, which is described in the specification. Further provided is a liquid crystal aligning agent comprising a polyimide prepared using the tetracarboxylic dianhydride and a solvent. Further provided is a liquid crystal alignment layer formed using the liquid crystal aligning agent. The liquid crystal alignment layer exhibits excellent electro-optical properties and good processability in terms of printability.
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: March 8, 2011
    Assignee: Cheil Industries Inc.
    Inventors: Jae Min Oh, Tae Hyoung Kwak, Ji Young Jeong
  • Composite materials having low filler percolation thresholds and methods of controlling filler interconnectivity
    Patent number: 7902275
    Abstract: Composite materials are disclosed having low filler percolation thresholds for filler materials into the composite matrix material along with methods of controlling filler interconnectivity within the composite matrix material. Methods are, thus, disclosed that provide the ability to control the desired properties of the composites. The composites of the present disclosure are characterized by a “pseudo-crystalline” microstructure formed of matrix particles and filler particles where the matrix particles are faceted and substantially retain their individual particle boundaries and where the filler particles are interspersed between the matrix particles at the individual matrix particle boundaries such that the filler particles form a substantially interconnected network that substantially surrounds the individual faceted matrix particles.
    Type: Grant
    Filed: May 24, 2010
    Date of Patent: March 8, 2011
    Assignee: Georgia Tech Research Corporation
    Inventors: Rosario A. Gerhardt, Runqing Ou, Zhi Li, Robert J. Samuels, Charles J. Capozzi
  • Olefin polymerization process with optimized product discharge
    Patent number: 7902307
    Abstract: The present invention relates to a polymerization process for producing olefin polymers in a loop reactor comprising the steps of: introducing into the loop reactor one or more olefin reactants, polymerization catalysts and diluents, and while circulating said reactants, catalysts and diluents, polymerizing said one or more olefin reactants to produce a polymer slurry comprising essentially liquid diluent and solid olefin polymer particles, said process further comprising one or more cycles of: (a) allowing said polymer slurry to settle in one or more setting legs connected to said reactor, and (b) discharging from a setting leg a predetermined volume of polymer slurry substantially equal to the volume of polymer slurry settled in said settling leg since its previous discharge.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: March 8, 2011
    Assignee: Total Petrochemicals Research Feluy
    Inventor: Andre Lewalle
  • Process and catalyst system for polydiene production
    Patent number: 7902309
    Abstract: Compositions and polydiene production processes involving catalyst systems comprising at least one lanthanide-containing compound, at least one alkylating agent, at least one halogen source, and at least one N,N-dihydrocarbylhydroxylamine.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: March 8, 2011
    Assignee: Bridgestone Corporation
    Inventors: Steven Luo, Jason T. Poulton, Daniel F. Graves
  • Hydroxy-functional polyester-polyurethane dispersions, methods of preparing the same, compositions containing such dispersions and uses therefor
    Patent number: 7902302
    Abstract: Hydroxy-functional polyester-polyurethane dispersions comprising a reaction product of: (a) at least one, at least difunctional polyol component; (b) at least one ionizable compound having at least one acid group and at least one functional group capable of reacting with isocyanate groups, the at least one functional group selected from the group consisting of mono-, di-, and trihydroxycarboxylic acids, hydroxysulfonic acids, aminosulfonic acids, and aminocarboxylic acids; (c) at least one acid anhydride; and (d) at least one, at least difunctional polyisocyanate component; methods for preparing such dispersions; compositions containing such dispersions; and uses thereof.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: March 8, 2011
    Assignee: Bayer MaterialScience AG
    Inventors: Harald Blum, Heino Müller
  • Organic light emitting diode display and manufacturing method thereof
    Patent number: 7897270
    Abstract: According to an embodiment of the present invention, an OLED display includes a substrate, a first electrode, a hole transport layer, a hole blocking layer, an emitting layer, and a second electrode. The first electrode is formed on the substrate. The hole transport layer is formed on the first electrode and includes a first material having a first highest occupied molecular orbital (HOMO) level and a first lowest unoccupied molecular orbital (LUMO) level. The hole blocking layer is formed on the hole transport layer and includes a second material having a second HOMO level and a second LUMO level. The emitting layer is formed on the hole blocking layer and includes a third material having a third HOMO level and a third LUMO level. The second electrode is formed on the emitting layer. Herein, the second HOMO level is higher than the first HOMO level and the third HOMO level.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: March 1, 2011
    Assignees: Samsung Electronics Co., Ltd., Industry-University Cooperation Foundation Hanyang University
    Inventors: Tae-Whan Kim, Dong-Chul Choo, Chang-Uk Kim
  • Method of modifying a macromolecular system
    Patent number: 7897698
    Abstract: The present application discloses a method of modifying a macromolecule, the method comprising the steps of (i) providing the macromolecule; (ii) providing a compound of the general formula (I): wherein N is a primary amino group protected with the protecting group P, wherein the protecting group involves both free valences of the primary amino group; m is an integer of 1-12 and n is an integer of 1-2000; R1 and R2 are independently selected from the group consisting of hydrogen and C1-4-alkyl; and X is a reactive group; and (iii) allowing the compound of the general formula (I) to react with the macromolecule so as to form grafts on the macromolecule. Compounds of the general formula (i) and a method for the preparation thereof are also disclosed.
    Type: Grant
    Filed: August 25, 2006
    Date of Patent: March 1, 2011
    Assignee: Novo Nordisk A/S
    Inventors: Ib Johannsen, Roice Michael
  • Process and plant for oligomerization/polymerization of ethylene and/or alphaolefins
    Patent number: 7897826
    Abstract: The present invention relates to a process for oligomerization/polymerization of ethylene and/or alpha-olefins, comprising the steps of oligomerizing/polymerizing ethylene and/or alpha-olefins to produce a reaction product which contains undesired reaction by-products, separating the reaction by-product from the reaction product as one or more reaction by-product fractions, and subjecting at least one of the reaction by-product fractions to steam cracking to produce a steam cracking product which comprises ethylene, which may be optionally purified and feed to the oligomerization/polymerization of ethylene and/or alpha olefins step.
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: March 1, 2011
    Assignees: Saudi Basic Industries Corporation, Linde AG
    Inventors: Peter Fritz, Heinz Bölt, Anton Kirzinger, Wolfgang Müller, Florian Winkler
  • Inkjet ink for polyvinyl chloride resin sheet
    Patent number: 7897657
    Abstract: Present invention relates to an inkjet ink used for a polyvinyl chloride resin sheet, wherein the inkjet ink comprises an organic solvent, a pigment and a vinyl chloride-vinyl acetate resin, the organic solvent is a mixed solvent comprising at least one compound selected from the group consisting of compounds represented by a formula (1) and compounds represented by a formula (2), together with a lactone compound, and the quantity of the lactone compound is within a range from 1 to 40% by weight relative to the total weight of the ink. [Formula 1] CH3CO(OR1)mOR2??(1) (wherein, R1 represents an ethylene group or propylene group, R2 represents an alkyl group of 1 to 4 carbon atoms, and m represents an integer from 1 to 3) [Formula 2] CH3CH(OH)COOR3??(2) (wherein, R3 represents an alkyl group of 1 to 8 carbon atoms).
    Type: Grant
    Filed: June 13, 2006
    Date of Patent: March 1, 2011
    Assignee: Toyo Ink Mfg. Co., Ltd.
    Inventors: Kaori Nakano, Seiji Aida, Ken Yamasaki, Eriko Seki
  • Medical devices having improved mechanical performance
    Patent number: 7897171
    Abstract: According to an aspect of the present invention, implantable or insertable medical devices are provided that contain at least one covalently crosslinked polymeric region, which contains at least one block copolymer comprising at least one low Tg block and at least one high Tg block.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: March 1, 2011
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Frederick H. Strickler, Mark Boden
  • Sulfonium compound
    Patent number: 7897821
    Abstract: A compound is shown by the following formula (5) in which at least one of Rf groups represents a fluorine atom or a linear or branched perfluoroalkyl group having 1 to 10 carbon atoms, A? represents a substituted or unsubstituted, linear or branched alkylene group having 1 to 20 carbon atoms, an alkylene group having at least one hetero atom, or a single bond, G represents a divalent organic group having a fluorine atom or a single bond, Mm+ represents an onium cation, m represents a natural number of 1 to 3, and p represents a natural number of 1 to 8.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: March 1, 2011
    Assignee: JSR Corporation
    Inventors: Tomoki Nagai, Eiji Yoneda, Takuma Ebata, Takanori Kawakami, Makoto Sugiura, Tsutomu Shimokawa, Makoto Shimizu
  • Tetramine compound and organic EL device
    Patent number: 7897816
    Abstract: The present invention provides a tetramine compound represented by the following general formula (1): wherein R1, R2 and R3, which may be the same or different, each represents a hydrogen atom, a tertiary alkyl group having 4 to 8 carbon atoms, an unsubstituted aryl group or an aryl group substituted with a tertiary alkyl group having 4 to 8 carbon atoms, and n represents 3 or 4.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: March 1, 2011
    Assignee: Hodogaya Chemical Co., Ltd.
    Inventors: Shigeru Kusano, Makoto Koike, Atsushi Takesue, Mitsutoshi Anzai
  • Medical devices having improved mechanical performance
    Patent number: 7897170
    Abstract: According to an aspect of the present invention, implantable or insertable medical devices are provided that contain at least one covalently crosslinked polymeric region, which contains at least one block copolymer comprising at least one low Tg block and at least one high Tg block.
    Type: Grant
    Filed: June 1, 2007
    Date of Patent: March 1, 2011
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Frederick H. Strickler, Mark Boden
  • Amino group-terminal viscosifiers, resultant products and uses thereof
    Patent number: 7897688
    Abstract: The invention relates to compounds embodying amino group-terminal viscosifiers, the resultant products thereof, and the uses thereof. The inventive viscosifiers are provided with formula (I), wherein R1 represents a divalent radical of a carboxyl group-terminal butadiene/acrylonitrile copolymer after removing the terminal carboxyl groups. The disclosed compounds increase the viscosity of the compositions formulated therewith. Compounds containing glycidyl groups are particularly important as resultant products thereof which can be used in thermosetting single-component epoxy resin adhesives.
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: March 1, 2011
    Assignee: Sika Technology AG
    Inventors: Ulrich Gerber, Juergen Finter