Patents Examined by David Wu
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Patent number: 7985826Abstract: Unsaturated polyester compositions are disclosed that are obtainable by reacting: (i) plant and animal oil triglycerides, an alkyl ester of a saturated or unsaturated fatty acid or mixtures thereof; (ii) a difunctional, or polyfunctional glycol or mixtures thereof; (iii) a difunctional or polyfunctional acid, their anhydrides or alkyl esters and mixtures thereof; (iv) a strained cycloolefin; (v) a component(s) that function as a compound capable of initiating polymerization at high temperature and which is stable at room temperature; and (vi) low profile additives, fillers, and reinforcements. Also disclosed are methods for the preparation of the polyesters and the use of the polyesters in closed and open mold compositions such as sheet molding compound (SMC), bulk molding compounding (BMC), resin transfer molding (RTM), pultrusion, infusion, filament winding, and spray up.Type: GrantFiled: December 22, 2006Date of Patent: July 26, 2011Assignee: Reichhold, Inc.Inventors: Hildeberto Nava, Lianzhou Chen
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Patent number: 7985820Abstract: A non-water soluble polymeric surfactant is prepared by reacting a polymerized/bodied unsaturated oil with maleic anhydride followed by a further partial or complete reaction with an amine to form an amide; or an alcohol to form an ester.Type: GrantFiled: October 15, 2007Date of Patent: July 26, 2011Assignee: Sun Chemical CorporationInventors: Ramasamy Krishnan, Kenneth Smith, Neil Young, Inessa Gurevich
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Patent number: 7981949Abstract: A curable composition is described, including a gel material derived from the curable composition, and medical articles including such material, wherein the transparent gel material includes a polymerized monofunctional poly(alkylene oxide) macromonomer component and a surface modified nanoparticle component.Type: GrantFiled: May 23, 2006Date of Patent: July 19, 2011Assignee: 3M Innovative Properties CompanyInventors: Kelly S. Anderson, Kevin M. Lewandowski, David J. Plaut, Wendy L. Thompson, Babu N. Gaddam
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Patent number: 7981211Abstract: Surface-modified, fumed silica having the data: BET surface area, m2/g: 25-400; Average primary particle size, nm: 5-50; pH: 3-10; Carbon content, % by weight: 0.1-10; Potassium content (calculated as potassium oxide), % by weight: 0.000001-40; is prepared by subjecting a fumed silica to surface modification in the presence of potassium compounds. It can be used in LSR silicone rubber compositions as a filler.Type: GrantFiled: September 11, 2007Date of Patent: July 19, 2011Assignee: Evonik Degussa GmbHInventors: Juergen Meyer, Mario Scholz
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Patent number: 7981944Abstract: The invention concerns a photocurable adhesive composition comprising, based on total weight of photopolymerizable monomers and/or oligomers of the composition: 5 to 60 wt % of at least one mono or polyacrylate monomer or oligomer thereof (A); 5 to 50 wt % of at least one thio(meth)acrylate monomer or oligomer thereof (B); and 20 to 50 wt % of at least one aromatic dimethacrylate monomer or oligomer thereof (C); with the proviso that the composition does not contain a brominated monofunctional acrylate.Type: GrantFiled: April 15, 2004Date of Patent: July 19, 2011Assignee: Essilor International Compagnie Generale d'OptiqueInventors: Steven Weber, Peiqi Jiang, Yassin Turshani, Aref Jallouli
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Patent number: 7981950Abstract: A process for preparing a modified particulate solid comprising reacting a dispersant with a compound in the presence of a particulate solid and a liquid medium, characterised in that: a) the dispersant has at least one reactable group selected from keto, aldehyde and beta-diketoester groups, b) the compound has at least two groups reactive towards said keto, aldehyde and/or beta-diketoester groups. The process provides a modified particulate solid having improved stability which is particularly useful for liquid vehicles having and range of polarities and for incorporation into ink jet printing inks.Type: GrantFiled: November 24, 2004Date of Patent: July 19, 2011Assignee: Fujifilm Imaging Colorants LimitedInventors: John Patrick O'Donnell, Stephen George Yeates, Tom Annable
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Patent number: 7981947Abstract: An aqueous ink composition comprising: a pigment, having a particle diameter as determined by the light scattering method of no less than 20 nm and no more than 200 nm; and a water dispersible polymer, having a styrene-equivalent number average molecular weight of as determined by gel permeation chromatography no less than 5000 and no more than 200000, having a surface tension of no less than 20 mN/m and no more than 40 mN/m, and wherein the abovementioned pigment is a polymer-coated pigment that is coated with the abovementioned water dispersible polymer, is provided. The water-dispersible polymer may be a copolymer of monomers, mainly comprising acrylic acid and/or methacrylic acid and an acrylate and/or methacrylate. With this ink composition, the printing quality can be improved.Type: GrantFiled: September 28, 2007Date of Patent: July 19, 2011Assignee: Seiko Epson CorporationInventor: Masahiro Yatake
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Patent number: 7977409Abstract: Provided is an ink jet ink capable of achieving both high colorability and excellent bleeding resistance of an image. The ink jet ink includes at least a pigment and a star polymer in which at least three copolymer chains of ?,?-ethylenically unsaturated monomers are bonded to a central skeleton, in which the copolymer chains of the ?,?-ethylenically unsaturated monomers are copolymers of at least one first monomer selected from the group consisting of aromatic (meth)acrylates and aromatic (meth)acrylamides and at least one second monomer selected from the group consisting of acid monomers and salts of the acid monomers.Type: GrantFiled: October 2, 2009Date of Patent: July 12, 2011Assignee: Canon Kabushiki KaishaInventors: Kenji Nishiguchi, Katsuhiro Hayashi
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Patent number: 7977435Abstract: Provided are a propylene polymer compositions comprising a propylene copolymer and a propylene homopolymer polymerized in the presence of the propylene copolymer. The propylene polymer compositions exhibit properties such as broad molecular weight distribution, low crystallinity, high solubles and superior crystallization kinetics and are useful in fast cycle-time processing methods such as injection molding, sheet extrusion, thermoforming, and oriented film fabrication. Also provided is a process for preparing the propylene polymer compositions in the presence of a catalyst and at least two electron donors using sequential or parallel polymerization reaction zones. Finally, articles made from the propylene polymer composition are provided, particularly articles requiring high stiffness, high heat deflection temperature, good fatigue resistance and low temperature impact resistance such as appliance parts.Type: GrantFiled: July 12, 2006Date of Patent: July 12, 2011Inventors: Chon-Yie Lin, Stephen Francis Broadbent
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Patent number: 7977429Abstract: Polymers having polyolefin segments as the side chain, with a structural unit represented by the following Formula (1): wherein A is an olefin polymer having a weight average molecular weight of 400 to 500,000; R is H, an alkyl group, or an aralkyl group; W and Z are each O, HN, or S; and x and y are each 0 or 1, with the proviso that at least one of them is 1. The polymer can be applied as an antistatic agent, a cosmetic additive, a releasing agent for toner, a pigment dispersant, a lubricant for vinyl chloride resins, a coating material, an emulsion composition and the like.Type: GrantFiled: January 20, 2005Date of Patent: July 12, 2011Assignee: Mitsui Chemicals, Inc.Inventors: Naoshi Nagai, Masahiko Mitsuzuka, Kazuoki Nakai, Motoaki Isokawa, Shiro Nakatsuka, Daiki Taneichi, Shirou Honma, Toshimitsu Narutaki
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Patent number: 7976728Abstract: It is intended to provide an aqueous solution of a thermoresponsive polymer and an aqueous dispersion of a thermoresponsive particle, which show an upper critical solution temperature (UCST) and are capable of maintaining a dissolved state and a dispersed state, respectively, even if they are stored for a long period of time at a temperature at which a ligand such as an antibody or an antigen is not inactivated. A UCST lowering agent is incorporated in a predetermined amount in an aqueous solution of a thermoresponsive polymer which shows a UCST in a state of containing water or an aqueous dispersion of a thermoresponsive particle containing the polymer, thereby lowering the UCST of the aqueous solution or aqueous dispersion to less than the storage temperature, and the resulting aqueous solution or aqueous dispersion is stored.Type: GrantFiled: June 26, 2008Date of Patent: July 12, 2011Assignee: JNC CorporationInventors: Masaru Eguchi, Noriyuki Ohnishi
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Patent number: 7977405Abstract: The present invention provides a composition suitable for a dental composition. The present invention is a composition containing: a polymerizable monomer (A) having an unconjugated carbon chain with at least four carbon atoms bonded continuously, at least two polymerizable groups, and at least two hydroxyl groups; and a polymerizable monomer (B) having one polymerizable group and at least one hydroxyl group. When a suitable component is added to this composition, the resultant composition can be used suitably for dental materials such as a primer, bonding material, composite resin, and cement.Type: GrantFiled: January 16, 2008Date of Patent: July 12, 2011Assignee: Kurray Medical Inc.Inventors: Hiroshige Ishino, Takahiro Sekiguchi, Koichi Okada, Naoki Nishigaki
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Patent number: 7976947Abstract: A powder coating composition for coating on thermoplastic composites comprising an intimate mixture comprising: A) 50 to 99 wt % of at least one ethylene vinyl acetate copolymer with a vinyl acetate content in the range of 10 to 30 wt %, B) 1 to 50 wt % of at least one thermoplastic and/or thermosetting binder resin, and C) 0 to 20 wt % of at least one pigment and/or filler, wherein the wt % amounts are based on the total weight of the powder coating composition A) to C); and the powder coating composition has excellent adhesion to the thermoplastic composite and enhanced impact resistance.Type: GrantFiled: August 8, 2006Date of Patent: July 12, 2011Inventors: Olivier Magnin, Ludovic Granjou
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Patent number: 7977408Abstract: It is an object of the present invention to provide a recording ink which contains at least a pigment, a dispersant, a water-soluble solvent, a wetting agent and water, wherein the pigment contains at least one of diketopyrrolopyrrole red pigment and phthalocyanine green pigment in order to obtain a recording ink and ink set which excel in discharge stability with no head clogging during printing and can obtain high quality images with good color tone on the regular paper as well as on an exclusive recording paper; and ink cartridge, ink record, inkjet recording apparatus and inkjet recording method which utilize the recording ink and ink set respectively.Type: GrantFiled: February 2, 2006Date of Patent: July 12, 2011Assignee: Ricoh Company, Ltd.Inventors: Akihiko Matsuyama, Masanori Hirano, Hiroshi Adachi
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Patent number: 7972431Abstract: Surface-modified silicas Surface-modified, highly structured, potassium oxide-doped silicas, characterized by BET surface area, m2/g: 25-400 average primary particle size, nm: 5-50 pH: 3-10 carbon content, % by weight: 0.1-10 potassium oxide content, % by weight: 0.000001-40 are prepared by subjecting a potassium oxide-doped silica to surface modification. It can be used as a filler in silicone rubber compositions.Type: GrantFiled: September 11, 2007Date of Patent: July 5, 2011Assignee: Evonik Degussa GmbHInventors: Juergen Meyer, Mario Scholz, Kai Schumacher
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Patent number: 7972734Abstract: A process for producing a polymer electrolyte emulsion having the following steps (1) and (2) is provided. Step (1): a step of dissolving a polymer electrolyte in a solvent comprising a good solvent for the polymer electrolyte to prepare a polymer electrolyte solution having a polymer electrolyte concentration of 0.1 to 10% by weight. Step (2): a step of mixing the polymer electrolyte solution 10 obtained in the step (1), and a poor solvent for the polymer electrolyte at a ratio of 4 to 99 parts by weight of the poor solvent based on 1 part by weight of the polymer electrolyte solution. In addition, a process for producing a polymer 15 electrolyte emulsion comprising separating a polymer electrolyte dispersion in which a polymer electrolyte particle is dispersed in a dispersing medium, with a membrane is provided.Type: GrantFiled: June 29, 2007Date of Patent: July 5, 2011Assignee: Sumitomo Chemical Company, LimitedInventors: Ryuma Kuroda, Shin Saito, Hiroyuki Kurita, Kentaro Masui
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Patent number: 7968872Abstract: The present invention relates to polymers comprising repeating unit(s) of the formula (I), and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color are observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).Type: GrantFiled: July 18, 2007Date of Patent: June 28, 2011Assignee: BASF SEInventors: Thomas Schäfer, Klaus Müllen, Mathieu G. R. Turbiez, Martin Baumgarten
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Patent number: 7968647Abstract: A method of synthesizing polyester toner resins comprises: polycondensing polycarboxylic acids, polyols and free fatty acids to form low molecular weight polyester resins with alkenyl group or hydroxyl group or a combination of both; wherein at least one of said polycarboxylic acids, said polyols or said free fatty acids derive from natural oils; crosslinking the polyester via alkenyl group with radical initiator and vinyl monomer or via hydroxyl group with diisocyanate to generate polyester of higher molecular weight and melting point; obtaining a first fraction with a molecular weight ranged between 3000 and 15000 and a second fraction with a molecular weight larger than 15000; and combining said first fraction with said second fraction to form said polyester toner resins.Type: GrantFiled: June 13, 2008Date of Patent: June 28, 2011Assignees: Universiti Malaya, Jadi Imaging Technologies SDN BHDInventor: Seng Neon Gan
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Patent number: 7968639Abstract: The present invention provides a polyvinyl acetal powder which is excellent in flowability during the coating process when it is applied to a powder coating material. This polyvinyl acetal powder enables to obtain a coating film having good impact resistance and uniformity of thickness (uniformity of coating film thickness). The present invention also provides a powder coating material using the polyvinyl acetal powder. Specifically, the present invention is a polyvinyl acetal powder having an average particle diameter of 10 to 150 ?m, a maximum particle diameter of 250 ?m or less, and a melt flow rate of 1 to 200 g/10 min. as measured in accordance with JIS K7210: 1999. The present invention also is a powder coating material containing this polyvinyl acetal powder.Type: GrantFiled: April 26, 2007Date of Patent: June 28, 2011Assignee: Kuraray Co., Ltd.Inventors: Seiji Tanimoto, Koichiro Isoue, Makio Tokoh, Tamotsu Miura
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Patent number: 7968637Abstract: A curable composition, useful as a thermosetting binder, having a polycarboxy polymer or co-polymer, an emulsion polymer, and a multifunctional polyol.Type: GrantFiled: November 20, 2007Date of Patent: June 28, 2011Assignee: Rohm and Haas CompanyInventors: Guy Joseph Germaine Clamen, Nolwenn Colmou