Two Or More Si Atoms And At Least One Si-c Or Si-h Group Patents (Class 524/267)
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Patent number: 7399350Abstract: The present invention relates to coating and printing ink compositions possessing silicone surfactants compositions comprising fluorine-free organomodified disiloxanes which are resistant to hydrolysis between a pH of about 3 to a pH of about 12. The coatings and printing ink composition of the present invention exhibit enhanced wetting, flow and leveling properties.Type: GrantFiled: October 17, 2006Date of Patent: July 15, 2008Assignee: Momentive Performance Materials Inc.Inventors: Suresh K. Rajaraman, Alain Lejeune, Alexander Borovik, George A. Policello, Mark D. Leatherman
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Publication number: 20080145552Abstract: Coating compositions comprise a coating base, a polyoxyalkylene siloxane additive and a fluorochemical wherein the polyoxyalkylene siloxane is of Formulae 1A, 1B, 1C, or 2: (R2)3SiO[Si(R2)2O]y[Si(R2)(R1)O]x[Si(R2)2O]zSi(R2)3Formula 1A (R2)3SiO[Si(R2)2O]x[Si(R2)2R1Formula 1B R1(R2)2SiO[Si(R2)2O]x[Si(R2)2O]Si(R2)2R1Formula 1C wherein each R2 is independently H, alkyl, or aryl; each R1 is a polyoxyalkylene group having the formula 3 as follows: —CnR4pH2n?pQCmR5pH2m?pOZR3Formula 3 wherein each R4 and R5 is independently H, alkyl, or aryl; Q is CnHR4, aryl, CH2CH(OR4), CH2(CH2OR4), S, O, SO, SO2, SO2NR4, OC(O), OC(NR4), NHC(X)NH, or OC(X)NH or triazole; Z is [C2H4O]a and [C3H6O]b in block or random order; X is O or S; m and n are each independently an integer of 2 to 8; a is an integer of 0 to about 30; b is an integer of 0 to about 20; provided that a+b is from 1 to about 50; each R3 is independently H, acyl, CH3, or a linear or branched alkyl or aryl group having 1 to about 20 carbon atType: ApplicationFiled: September 5, 2007Publication date: June 19, 2008Inventors: Mia Genevieve Berrettini, Axel Hans-Joachim Herzog, John Gavenonis, Donald Douglas May, Xianjun Meng
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Publication number: 20080090947Abstract: Disclosed is a nanocomposite composition, comprising transparent nanoparticles, a matrix polymer including a polydimethylsiloxane resin and an epoxy group-containing polydimethylsiloxane resin, and a siloxane dispersant including a head part having an affinity for the transparent nanoparticles and a tail part having an affinity for the polydimethylsiloxane resin. The nanocomposite composition of this invention can be effectively used in the encapsulation layer of a light emitting diode or in an optical film.Type: ApplicationFiled: May 14, 2007Publication date: April 17, 2008Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTDInventors: Hyeon Jin SHIN, Jae Young CHOI, Seong Jae CHOI, Seon Mi YOON
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Patent number: 7345108Abstract: Additives comprising dispersed silica nanoparticles are disclosed. The silica nanoparticles are dispersed in an aminoplast, such as a modified aminoplast formed from the reaction between an aminoplast, a modifying component, and optionally a siloxane. The resulting additives can be added to coating compositions to provide improved mar and/or scratch resistance.Type: GrantFiled: November 14, 2005Date of Patent: March 18, 2008Assignee: PPG Industries Ohio, Inc.Inventors: Ronald R. Ambrose, Shengkui Hu, William H. Retsch, Jr., Kristin M. Bartlett, Richard J. Sadvary, Masayuki Nakajima
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Patent number: 7329699Abstract: The invention relates to a composition, preferably a care and/or treatment and/or make-up composition for keratin and keratinous materials in general (including the skin, hair, nails, scalp, and/lips of human beings, keratinous fibers, etc.), containing an oil, a structuring polymer and a coated silicone elastomer. Preferably, the compositions of the invention are anhydrous.Type: GrantFiled: July 11, 2003Date of Patent: February 12, 2008Assignee: L'OrealInventors: Terry Van Liew, Shaoxing Lu
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Patent number: 7323507Abstract: Dispersion concentrates are claimed which consist of: I) 10-80% by weight of a crosslinked copolymer obtained by polymerization of 1 to 50% by weight of a cyclic N-vinylcarboxamide and 49.99 to 98.99 by weight of acryloyldimethyltauric acid, II) 20-90% by weight of a phase selected from the group consisting of an emulsifier, an oil phase, and mixtures thereof, and III) up to 30% weight water based on the total weight of the stable dispersion concentrate. The stable dispersion concentrate is useful in preparing cosmetic, pharmaceutical, and dermatological compositions.Type: GrantFiled: March 13, 2003Date of Patent: January 29, 2008Assignee: Clariant Produkte (Deutschland) GmbHInventors: Matthias Löffler, Roman Morschhäuser, Livio Caribé Da Rocha
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Patent number: 7311770Abstract: A hydrophobic gypsum composition is provided which contains gypsum, a granulated hydrophobing additive and a pH effecting additive in an amount sufficient to maintain the pH of the composition in the range of 8 and 12.5, in the presence of water. The granule contains an organopolysiloxane having silicon bonded hydrogen, a water soluble or water dispersible binder, and a carrier, preferably gypsum or a stearate salt, in an amount sufficient to hydrophobe the gypsum. The pH effecting additive is preferably lime but may be any appropriate additive.Type: GrantFiled: September 20, 2001Date of Patent: December 25, 2007Assignee: Dow Corning CorporationInventors: James Windridge, Frederic Gubbels, Derek Butler, Manfred Wehner
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Patent number: 7309745Abstract: A silicone coating material is operative to graft a silicone polymer coating on an ignition wire. The ignition wire includes an insulated conductor with an inner conductive core and an outer insulating jacket layer which has an outer surface. The silicone coating material is applied to the outer surface of the insulating jacket layer and includes a silicone prepolymer, a coupling agent, a catalyst, and a graft initiator. The graft initiator is operative to prepare the outer surface of the insulating jacket to receive by grafting the coating layer including the silicone prepolymer and the coupling agent, and the catalyst is operative to promote grafting by polymerization of the coating layer.Type: GrantFiled: July 5, 2005Date of Patent: December 18, 2007Assignee: Federal-Mogul World Wide, Inc.Inventors: Mohan L. Sanduja, Paul Thottathil, Lina Zilberman
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Patent number: 7268176Abstract: Additives comprising dispersed silica nanoparticles are disclosed. The silica nanoparticles are dispersed in an aminoplast, such as a modified aminoplast formed from the reaction between an aminoplast, a modifying component, and optionally a siloxane. The resulting additives can be added to coating compositions to provide improved mar and/or scratch resistance.Type: GrantFiled: December 12, 2002Date of Patent: September 11, 2007Assignee: PPG Industries Ohio, Inc.Inventors: Ronald R. Ambrose, Shengkui Hu, William H. Retsch, Jr., Kristin M. Bartlett, Richard J. Sadvary, Masayuki Nakajima
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Patent number: 7259205Abstract: The invention is directed to a pneumatic tire having a tread including a vulcanizable rubber composition including, expressed as parts by weight per 100 parts by weight of elastomer (phr), (A) 60 to 95 phr of solution-polymerized styrene-butadiene rubber with a bound styrene content of from 20 to 30 percent by weight, a vinyl 1,2 content of from 50 to 70 percent by weight based on the butadiene content, and a Tg of from about ?40° C. to about ?20° C.; (B) 5 to 15 phr of cis-1,4 polybutadiene having a Tg of from ?95° C. to ?105° C.; (C) 10 to 20 phr of 3,4-polyisoprene; (D) 30 to 70 phr of processing oil; (E) 10 to 30 phr of carbon black having an Iodine absorption ranging from 192 to 212 g/kg according to ASTM D-1510 and an oil absorption ranging from 126 to 142 cc/100 g according to ASTM D-2414; (F) 90 to 110 phr of silica; (G) 0.5 to 20 phr of a sulfur containing organosilicon compound; and (H) 10 to 20 phr of resin.Type: GrantFiled: September 21, 2006Date of Patent: August 21, 2007Assignee: The Goodyear Tire & Rubber CompanyInventors: Olivio Jean-Baptiste Pagliarini, David John Zanzig
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Patent number: 7241823Abstract: There are provided a radiation curing silicone rubber composition that is useful for the bonding of substrates, an adhesive silicone elastomer film formed from such a composition, a structural body in which two substrates are bonded via a cured layer formed from the composition, and a method of producing such a structural body. The composition includes: (a) an organohydrogenpolysiloxane containing at least one group selected from the group consisting of acryloyl groups and methacryloyl groups, and at least one hydrosilyl group; (b) a fluid organopolysiloxane with at least two groups which are each selected from the group consisting of acryloyl groups and methacryloyl groups, and with no hydrosilyl groups; (c) a compound selected from the group consisting of alkoxysilanes, partial hydrolysis-condensation products of alkoxysilanes, organosilane-modified isocyanurates and organosiloxane-modified isocyanurates; (d) a radiation sensitizer; and (e) a platinum group metal-based catalyst.Type: GrantFiled: December 11, 2003Date of Patent: July 10, 2007Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Tsutomu Kashiwagi, Shinji Makikawa, Toshiyuki Sutou, Toshio Shiobara
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Patent number: 7223386Abstract: Topical preparations for release of an active agent and to methods of making and using the topical preparations are provided. The preparations may have an internal phase dispersed within an external phase. The internal phase may be a hydrophilic carrier and an active agent. The external phase may be a silicone matrix.Type: GrantFiled: September 10, 2003Date of Patent: May 29, 2007Assignees: Dow Corning Corporation, Genencor International, Inc.Inventors: Richard R. Bott, Mark S. Gebert, Paal Christian Klykken, Isabelle Mazeaud, Xavier Jean-Paul Thomas
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Patent number: 7214731Abstract: The invention relates to a tire of a structural combination of tire tread and sidewall components with compositional limitations containing minimal, if any, of in situ formed alcohol and methyl isobutyl ketone byproducts. The tread component rubber composition contains pre-hydrophobated silica reinforcement. The sidewall component contains low unsaturation EPDM or brominated copolymer of isobutylene and p-methylstyrene and may contain pre-hydrophobated silica reinforcement. The silica reinforcement for said tread and sidewall components is a pre-hydrophobated precipitated silica. The pre-hydrophobated silica is prepared, prior to mixing with the elastomer(s), by reacting hydroxyl groups (e.g.Type: GrantFiled: February 13, 2004Date of Patent: May 8, 2007Assignee: The Goodyear Tire & Rubber CompanyInventors: David John Zanzig, Martin Paul Cohen, Paul Harry Sandstrom
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Patent number: 7183358Abstract: Hydrophobically modified polymer compositions contain at least one polymer based on one or more ethylenically unsaturated monomers, in the form of an aqueous polymer dispersions or water-redispersible polymer powder prepared therefrom, further containing, a) one or more silanes, polysilanes, oligosiloxanes, polysiloxanes, carbosilanes, polycarbosilanes, carbosiloxanes, polycarbosiloxanes, polysilylenedisiloxanes, and b) one or more fatty compounds from the group of the fatty acids having from 8 to 22 carbon atoms, their metal soaps, their amides, and their esters with monohydric alcohols having from 1 to 8 carbon atoms, with glycol, with polyglycol, with polyalkylene glycol, with glycerol, with mono-, di-, or triethanolamine, or with monosaccharides.Type: GrantFiled: June 17, 2003Date of Patent: February 27, 2007Assignee: Wacker Polymer Systems GmbH & Co. KGInventors: Thomas Bastelberger, Reinhard Härzschel, Franz Jodlbauer
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Patent number: 7122591Abstract: The present invention relates to a polyphenylene ether-based resin composition comprising a polyphenylene ether-based resin and at least one member selected from cage silsesquioxanes and partially cleaved structures of cage silsesquioxanes. The polyphenylene ether-based resin composition of the invention is excellent in heat resistance, mechanical properties, moldability and flame resistance.Type: GrantFiled: January 23, 2002Date of Patent: October 17, 2006Assignee: Asahi Kasei Kabushiki KaishaInventors: Hideo Saito, Masanori Ikeda
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Patent number: 7122590Abstract: Disclosed herein is a process of manufacturing a filled rubber comprising the steps of: mixing a rubber, an inorganic filler, and a blocked mercaptosilane of a structure defined herein, to produce a rubber mixture; mixing into the rubber mixture; (i) a deblocking agent to deblock the blocked mercaptosilane, and (ii) a curing agent; and allowing the rubber mixture to cure.Type: GrantFiled: February 10, 2003Date of Patent: October 17, 2006Assignee: General Electric CompanyInventors: Richard W. Cruse, Robert J. Pickwell, Keith J. Weller, Eric R. Pohl
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Patent number: 7119150Abstract: Improvements in the tensile mechanical properties and dynamic viscoelastic properties of silica-reinforced sulfur-vulcanized rubbers can be achieved by compounding elastomers with silica, in the presence of a silane and a catalytic amount of an alkyl tin compound at a high compounding temperature.Type: GrantFiled: May 9, 2003Date of Patent: October 10, 2006Assignee: Bridgestone CorporationInventors: Chenchy Jeffrey Lin, William L. Hergenrother
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Patent number: 7108957Abstract: The present disclosure relates to an organic anti-reflective coating composition and a method for forming photoresist patterns using the same. The anti-reflective coating compositions are useful for preventing reflection of a lower film layer or a substrate of a photoresist film, reducing standing waves caused by light and variations in the thickness of the photoresist itself, and increasing the uniformity of the photoresist patterns. More particularly, the present invention relates to an organic anti-reflective coating composition comprising particular organo-silicon based polymers and a method for forming photoresist patterns using the same. The organic anti-reflective coating composition can prevent excessive absorbency of an anti-reflective film formed therefrom and, thus, minimize the reflectivity of the film so that it can efficiently remove standing waves and increase the uniformity of the photoresist pattern.Type: GrantFiled: July 14, 2003Date of Patent: September 19, 2006Assignee: Hynix Semiconductor Inc.Inventors: Jae-chang Jung, Ki-soo Shin
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Patent number: 7091274Abstract: There is disclosed a pneumatic tire having a rubberized component comprising: (A) a copolymer rubber that contains amino groups bound to the rubber and at least 40 percent of the terminal ends of the copolymer are modified or coupled with a tin compound; and (B) 10 to 150 phr of an inversion carbon black.Type: GrantFiled: December 5, 2002Date of Patent: August 15, 2006Assignee: The Goodyear Tire & Rubber CompanyInventors: Georges Marcel Victor Thielen, Kenneth Allen Bates
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Patent number: 7081500Abstract: Blocked mercaptosilanes are provided in which the blocking group contains and unsaturated heteroatom or carbon chemically bound directly to sulfur via a single bond. This blocking group optionally may be substituted with one or more carboxylate ester or carboxylic acid functional groups. These silanes are used in manufacture of inorganic filled rubbers, with the silanes deblocked by a deblocking agent. Synthesis of the blocked mercaptosilanes is also provided.Type: GrantFiled: November 9, 2001Date of Patent: July 25, 2006Assignee: General Electric CompanyInventors: Richard W. Cruse, Robert J. Pickwell, Keith J. Weller, Eric R. Pohl
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Patent number: 7078551Abstract: A blocked mercaptosilane of the structure: G-C(?O)—S—CH2CH2CH2SiX3 is disclosed wherein each X is an independently selected RO— group or R— group wherein each R is independently selected from the group consisting of hydrogen, alkyl that may or may not contain unsaturation, alkenyl groups, aryl groups, and aralkyl groups, such moieties other than hydrogen having from 1 to 18 carbon atoms, at least one X is RO—, and G is a monovalent alkyl group.Type: GrantFiled: April 30, 2004Date of Patent: July 18, 2006Assignee: General Electric CompanyInventors: Richard W. Cruse, Robert J. Pickwell, Eric Raymond Pohl, Keith J. Weller
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Patent number: 7070713Abstract: A single component sag-free liquid ebonite composition having silane coupling agents selected to chemically bond and convert liquid unsaturated rubber to alkoxy functionality, to consume and scavenge moisture originally present in the mixture, and to react with sulfur during vulcanization. The single component liquid ebonite composition is moisture activated and is particularly useful for coating applications in protecting metal from corrosion and chemical attack. In some embodiments, the liquid ebonite composition having a total mass percentage of 100 is mainly composed of liquid unsaturated rubber, sulfur, a vulcanization activator, a vulcanization accelerator, a first silane, a second silane, and a third silane. With the right reactive functional group, the third silane can replace the first or second silane. In some embodiments, the liquid ebonite composition includes a catalyst, carbon black, fillers, additives, and a diluent or solvent.Type: GrantFiled: January 27, 2004Date of Patent: July 4, 2006Assignee: 3L & T, IncInventors: Rong Jong Chang, Tuan Nguyenquang, Surjit Gill
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Patent number: 7071256Abstract: A polymer composition which comprises a continuous phase comprising a water immiscible liquid and a dispersed phase comprising a polymer of an N-substituted acrylamide and ethylenically unsaturated acid or salt and optionally a cross-linking agent. The polymer composition is preferably used in an aqueous cleaning composition for improving the rheology characteristics. The polymer composition is preferably used in an adhesive composition for a dressing to be applied to animal or human skin.Type: GrantFiled: June 17, 2002Date of Patent: July 4, 2006Assignee: Ciba Specialty Chemicals Water Treatments LTDInventor: Michael Green
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Patent number: 7041720Abstract: A pressure sensitive adhesive comprising an aqueous dispersion of a polymer, said dispersion comprising, besides the polymer, silicon compounds selected from polymeric silicates, water-soluble alkali metal silicates (waterglass), silanes, and silicones obtainable from the silanes by condensation.Type: GrantFiled: April 15, 2004Date of Patent: May 9, 2006Assignee: BASF AktiengesellschaftInventors: Oral Aydin, Andree Dragon, Heiko Diehl
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Patent number: 7012110Abstract: Pressure sensitive adhesives and methods, wherein the adhesives include a silicone tackifying resin and a polydiorganosiloxane polyurea copolymer. The tack of these adhesives is improved by the use of a processing aid, such as a plasticizer.Type: GrantFiled: December 18, 2001Date of Patent: March 14, 2006Assignee: 3M Innovative Properties CompanyInventors: Audrey A. Sherman, Kurt C. Melancon, Anthony M. Kremer
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Patent number: 7008987Abstract: An aqueous dispersion type pressure-sensitive adhesive composition which is excellent in adhesion to foams and unsusceptibility to edge peeling and retains stable adhesive force over long, a pressure-sensitive adhesive sheet including a substrate and, disposed on one or both sides thereof, a pressure-sensitive adhesive layer comprising the aqueous dispersion type pressure-sensitive adhesive composition, and a pressure-sensitive adhesive rubber foam sheet comprising a rubber foam and, disposed on one or both sides thereof, the pressure-sensitive adhesive layer or pressure-sensitive adhesive sheet. The aqueous dispersion type pressure-sensitive adhesive composition comprises an aqueous dispersion of a polymer obtained by copolymerizing a monomer mixture comprising one or more alkyl (meth)acrylates as the main component and at least one silane monomer, and a tackifier having a phenolic skeleton, added to the aqueous dispersion.Type: GrantFiled: June 10, 2003Date of Patent: March 7, 2006Assignee: Nitto Denko CorporationInventors: Kenichi Okada, Tomonari Naito, Michio Umeda
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Patent number: 7005466Abstract: To provide a silicone rubber composition for wiper blades, which, due excellent moldability and ability to closely repeat the shape of the die during extrusion, is suitable for forming wiper blades of complicated shapes; to provide a method of manufacturing the aforementioned composition. A silicone rubber composition for a wiper blade comprising (A), a polydiorganosiloxane, (B) a finely divided, reinforcing silica filler, (C) orthoboric acid or metaboric acid, (D) a powdered calcium carbonate, (E) an organic peroxide curing agent, and an additive for improving water-repellent properties of a wiper blade made from said composition, comprising one or both of (F) a polyorganosiloxane having a viscosity of 1 to 10000 mPa·s and containing in one molecule at least two silicon-bonded hydrogen atoms and (G) a polydiorganosiloxane having a viscosity of 1 to 10000 mPa·s; a method of manufacturing the aforementioned composition.Type: GrantFiled: May 29, 2002Date of Patent: February 28, 2006Assignee: Dow Corning Toray Silicone Company, Ltd.Inventors: Kenji Ota, Hiroshi Honma
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Patent number: 6982294Abstract: The present invention provides flame retardants which can provide high flame retardancy by means of silicon compounds. A flame retardant comprising an aromatic group-containing organosiloxane compound wherein said compound has the following mean composition formula (1), does not flow at 23° C., flows at 200° C., does not gelate when heated at 200° C. with stirring for 30 minutes, has a number average molecular weight of not less than 2,000 and at the same time, dissolves not less than 100 g in 1 L of a solvent toluene at 23° C.: R1mR2nSiO(4-m-n)/2??(1) in the formula, R1 represents a univalent aliphatic hydrocarbon group containing 1 to 4 carbon atoms; R2 represents a univalent aromatic hydrocarbon group containing 6 to 24 carbon atoms; R1 and R2 each may contain two or more species; and m and n are numbers satisfying 1.1?m+n?1.7 and 0.4?n/m?2.5.Type: GrantFiled: May 11, 2001Date of Patent: January 3, 2006Assignee: Kaneka CorporationInventors: Kazuaki Matsumoto, Yoshitaka Ono, Tatsushi Yoshida
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Patent number: 6956087Abstract: A process for producing polysiloxane prepolymers of improved homogeneity for use in the production of relatively high refractive index polymeric compositions is described herein. Polymeric compositions so produced are useful in the production of ophthalmic devices such as for example intraocular lenses and corneal inlays.Type: GrantFiled: December 13, 2002Date of Patent: October 18, 2005Assignee: Bausch & Lomb IncorporatedInventors: Yu-Chin Lai, Edmond T. Quinn, Xiaojun Michael Liu, Edmund P. Maziarz, III
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Patent number: 6936657Abstract: There is provided a dispersion composition which has excellent dispersion stability and hardly sediments even after a long-term storage. This dispersion composition is a composition comprising a particulate material dispersed in an organic solvent, wherein a graft copolymer which has a particle diameter of 0.01-1 ?m and self-disperses in said organic solvent is adsorbed to at least a part of the outer surface of said particulate material and a graft chain of said graft copolymer comprises a polysiloxane and an alkylene group of 1-18 carbon atoms.Type: GrantFiled: June 9, 2003Date of Patent: August 30, 2005Assignee: Hitachi Maxell, Ltd.Inventors: Nagayuki Takao, Miyuki Nishimura
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Patent number: 6890981Abstract: Rubber mixtures which contain an organosilane of the general structure 1R2R3Si—R4—Z (I), wherein R1, R2 and R3 independently of one another are H, (C1-C4)alkyl, (C1-C4)alkoxy or halogen and the number of alkyl groups is ?1; R4 is a linear or branched (C1-C18)alkylidene group; and Z=H, halogen, SCN, SH or Sx—R4—SiR1R2R3, where x is 2 to 10. The rubber mixtures are useful in molding compositions particularly for tires and tire treads.Type: GrantFiled: March 31, 2000Date of Patent: May 10, 2005Assignee: Degussa AGInventor: Hans-Detlef Luginsland
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Patent number: 6881416Abstract: Organopolysiloxane gel products having a variety of physical forms and which produce a silky feel when applied to the skin are prepared by reacting an unsaturated organopolysiloxane resin, an Si—H functional organosiloxane crosslinker bearing pendant hydrido functionality, a C4 or higher unsaturated hydrocarbon, and optionally, an unsaturated hydrophile component. Products ranging from viscous liquids, creamy gels, pastes, and soft powders may be obtained. The products are highly useful in formulating cosmetic and pharmaceutical products.Type: GrantFiled: April 8, 2002Date of Patent: April 19, 2005Assignee: Wacker Chemical CorporationInventor: Bryan E. Fry
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Patent number: 6878769Abstract: A room temperature curable organopolysiloxane composition comprising (A) an organopolysiloxane having organooxysilyl groups on side chains or on side chains and ends of the polymer, (B) fumed silica, (C) an organooxysilane or a partial hydrolytic condensate thereof, and (D) a condensation catalyst is improved in stability during storage under sealed conditions and cures into an elastomeric product whose physical properties change little even when used under rigorous conditions as encountered in proximity to automotive engines.Type: GrantFiled: December 24, 2002Date of Patent: April 12, 2005Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Takafumi Sakamoto, Tsuneo Kimura
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Patent number: 6855765Abstract: A two-component polyurethane sealant composition is described. The polyurethane sealant of the invention exhibits improved resistance to degradation by heat and hot water. The composition of the invention includes a novel hindered amine antioxidant.Type: GrantFiled: December 12, 2001Date of Patent: February 15, 2005Assignee: National University of SingaporeInventors: Yit Lin Chew, Suat Hong Goh, Xu Zhou
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Patent number: 6852794Abstract: There is disclosed a pneumatic tire having a rubberized component comprising: (a) 100 parts by weight of at least one rubber containing olefinic unsaturation; and (b) 1 to 110 phr of a polyhedral oligomeric silsesquioxanes.Type: GrantFiled: August 7, 2002Date of Patent: February 8, 2005Assignee: The Goodyear Tire & Rubber CompanyInventors: Aaron Scott Puhala, David John Zanzig, Brian David Holden, Neil Arthur Maly
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Patent number: 6841253Abstract: In order to obtain curable molding compositions and shaped plastics articles produced therefrom which have an improved hot-pot resistance, it is proposed that a curable molding composition for the production of shaped plastics articles contains, in addition to a liquid monomeric acrylate component and a particulate inorganic material, the latter in a concentration ranging from 45 to 85 wt % and preferably from 55 to 75 wt %, based on the molding composition, an additional portion comprising a particulate hydrophobic and/or oleophobic plastics material in a concentration of 0.5 wt % or more.Type: GrantFiled: April 11, 2002Date of Patent: January 11, 2005Assignees: Blanco GmbH & Co. KG, Schock & Co. GmbHInventors: Andreas Hajek, Stefan Harke, Josef Geier, Klaus Hock
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Patent number: 6840992Abstract: The present invention provides a coating for inkjet media, which includes at least one hydrophobic filler particle; and a binder. Another embodiment of the invention provides an inkjet media, which includes the above-described coating coated on a substrate. Another embodiment of the invention provides a method of inkjet printing, which includes inkjet printing at least one inkjet ink onto a substrate coated with the above-described coating.Type: GrantFiled: April 11, 2001Date of Patent: January 11, 2005Assignee: Degussa AGInventors: Holger Glaum, Astrid Mueller
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Patent number: 6838490Abstract: The present invention relates to a novel fully vulcanized powdery silicone rubber, preparation and use thereof. The fully vulcanized powdery silicone rubber is prepared from an latex of organosilicon polymer or copolymer with lower molecular weight via irradiation of high-energy rays. The gel content of the obtained fully vulcanized powdery silicone rubber is at least 60% by weight. The fully vulcanized powdery silicone rubber can be combined with various plastics and is very easy to be dispersed into plastic matrix, and can be used as toughening agent, processing aids or as additives for cosmetics, ink, paint and coatings.Type: GrantFiled: June 15, 2001Date of Patent: January 4, 2005Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry China Petroleum & Chemical CorporationInventors: Xiaohong Zhang, Jinliang Qiao, Genshuan Wei, Jianming Gao, Yiqun Liu, Shijun Zhang, Zhihai Song, Jiuqiang Li, Yicai Zhu
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Patent number: 6822034Abstract: An anti-microbial, curable silicone rubber composition and method for making same, comprising in at least a portion of the exposed surface of said composition an organic matrix containing homogeneously dispersed particles of metallic silver having a particle size in the range of 1 to 50 nm (silver nanoparticles) in an amount providing on the surface of said composition an anti-microbially effective but less than cytotoxic silver concentration.Type: GrantFiled: December 14, 2001Date of Patent: November 23, 2004Inventors: Bernhard Hanke, Tim Bast
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Patent number: 6822036Abstract: Rubber powders with a high degree of filling are obtained by precipitating water-containing suspensions which contain fillers and rubber emulsions or rubber solutions. Use thereof to prepare vulcanizable rubber mixtures.Type: GrantFiled: May 23, 2000Date of Patent: November 23, 2004Assignee: PKU Pulverkautschuk Union GmbHInventors: Udo Görl, Thomas Trempler, Reinhard Stober, Uwe Ernst
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Publication number: 20040210001Abstract: A blocked mercaptosilane of the structure: G-C(═O)—S—CH2CH2CH2SiX3 is disclosed wherein each X is an independently selected RO— group or R— group wherein each R is independently selected from the group consisting of hydrogen, alkyl that may or may not contain unsaturation, alkenyl groups, aryl groups, and aralkyl groups, such moieties other than hydrogen having from 1 to 18 carbon atoms, at least one X is RO—, and G is a monovalent alkyl group.Type: ApplicationFiled: April 30, 2004Publication date: October 21, 2004Inventors: Richard W. Cruse, Robert J. Pickwell, Eric Raymond Pohl, Keith J. Weller
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Patent number: 6805712Abstract: A process for producing polysiloxane prepolymers of improved homogeneity for use in the production of relatively high refractive index polymeric compositions is described herein. Polymeric compositions so produced are useful in the production of ophthalmic devices such as for example intraocular lenses and corneal inlays. The preferred polymeric compositions are produced through the copolymerization of one or more polysiloxane prepolymers with hydrosilane-containing polysiloxanes.Type: GrantFiled: March 20, 2002Date of Patent: October 19, 2004Assignee: Bausch & Lomb IncorporatedInventors: Yu-Chin Lai, Edmond T. Quinn
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Patent number: 6803399Abstract: Silicone liquid crystals, silicone vesicles, and silicone gels are formed by combining (i) an amine functional silicone or an organic amine compound, (ii) an organic epoxide containing at least two epoxy groups or an epoxy functional silicone containing at least two epoxy groups, and (iii) a fluid such as water, a silicone fluid other than a silicone used in (i) and (ii), and a polar organic compound or nonpolar organic compound other than organic compounds used in (i) and (ii) in which the polar and nonpolar organic compound are present at a concentration to provide a level of solids less than 40 percent by weight based on the weight of (i)-(iii). These silicone liquid crystals, silicone vesicles, and silicone gels are useful in personal care for preparing various skin, hair, and underarm products.Type: GrantFiled: June 19, 2003Date of Patent: October 12, 2004Assignee: Dow Corning CorporationInventors: Michael Salvatore Ferritto, Zuchen Lin, William James Schulz, Jr.
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Patent number: 6790887Abstract: Disclosed is an aromatic polycarbonate resin composition comprising a resin component (A) selected from the group consisting of an aromatic polycarbonate and a resin mixture of an aromatic polycarbonate and at least one organic polymer resin other than an aromatic polycarbonate, wherein the resin mixture has an aromatic polycarbonate content of 50% by weight or more, and at least one aromatic group-containing silicone compound (B), wherein the at least one aromatic group-containing silicone compound (B) comprises a monomer, a polymer or a mixture thereof, which is represented by at least one formula selected from the group consisting of the following formulae (1) and (2): wherein the component (B) contains the aromatic group in an amount of 5 to 100 mole %, based on the total molar amount of R1, R2, R3 and R4, wherein each of R1 and R2 represents a hydrogen atom or a C1-C20 hydrocarbon group, and each of R3 and R4 represents a hydrogen atom, a C1-C20 hydrocarbon group or a metal-containing gType: GrantFiled: November 22, 2000Date of Patent: September 14, 2004Assignee: Asahi Kasei Kabushiki KaishaInventor: Hajime Nishihara
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Patent number: 6780919Abstract: An organopolysiloxane composition for molding purposes is provided which includes: (A) an organopolysiloxane with at least two alkenyl groups bonded to silicon atoms, (B) a straight chain organopolysiloxane with a hydrogen atom bonded to a silicon atom at both terminals, (C) an organohydrogenpolysiloxane with at least three hydrogen atoms bonded to silicon atoms within a single molecule and including a RHSiO unit and a R2XSiO1/2 unit (wherein R is an unsubstituted or a substituted monovalent hydrocarbon group with no alkenyl groups, and X represents either a hydrogen atom or a group represented by R as defined above) within the molecule, (D) a hydrosilylation reaction catalyst, and (E) finely powdered silica, wherein the total number of hydrogen atoms bonded to silicon atoms within the constituent (B) and the constituent (C) ranges from 1 to 5 per alkenyl group within the constituent (A), and the number of hydrogen atoms bonded to silicon atoms within the constituent (B) accounts for 20 to 70 mol % of the comType: GrantFiled: December 18, 2001Date of Patent: August 24, 2004Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Masayuki Ikeno, Masaya Arakawa, Kouichi Tanaka
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Patent number: 6774167Abstract: Undesirable changes in shade brought about by low temperatures (Cold Stress Whitening) in impact-modified thermoplastic molding compositions F which comprise at least one elastomeric graft polymer A and at least one thermoplastic polymer B are reduced by adding from 10 to 200 ppm, based on the molding compositions F, of at least one polyorganosiloxane S to the impact-modified thermoplastic molding composition F.Type: GrantFiled: April 25, 2002Date of Patent: August 10, 2004Assignee: BASF AktiengesellschaftInventors: Sabine Oepen, Norbert Niessner, Michael Breulmann, Norbert Güntherberg, Wil Duijzings
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Patent number: 6753367Abstract: The present invention relates to flame retardant polycarbonate compositions with improved weathering performance, said compositions comprising one or more cyanoacrylic esters. The invention also relates to methods for improving the flame retardancy and weathering performances of polycarbonate compositions by incorporating cyanoacrylic ester(s). Finally, the invention further relates to articles manufactured from flame retardant polycarbonate compositions comprising cyanoacrylic ester(s).Type: GrantFiled: August 20, 2001Date of Patent: June 22, 2004Assignee: General Electric CompanyInventors: Johannes Martinus Dina Goossens, Hendrik Verhoogt
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Patent number: 6750277Abstract: A composition comprising (A) a copolymer which comprises (I) repeating units which are derived from a monomer having a fluoroalkyl group, a carbon-carbon double bond, (II) optional repeating units which are derived from a monomer having at least two urethane or urea bonds and a carbon-carbon double bond, but no fluorine atom, (III) optional repeating units which are derived from a monomer, the homopolymer of which having a glass transition temperature (Tg) of 50° C. or less, (IV) optional repeating units which are derived from a monomer having a hydrophilic group and a carbon-carbon double bond, and (V) optional repeating units which are derived from a monomer having a chlorine atom and a carbon-carbon double bond; and (B) a film-forming auxiliary can impart high water and oil repellency by drying at room temperature (0 to 30° C.) without requiring a heat treatment step.Type: GrantFiled: August 19, 1999Date of Patent: June 15, 2004Assignee: Daikin Industries Ltd.Inventors: Masayuki Yamana, Ikuo Yamamoto, Masato Kashiwagi, Koji Kubota
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Patent number: 6743843Abstract: The invention provides a vibration-absorbing silicone gel composition mainly comprising: 100 parts by weight of (a) an organopolysiloxane having a (meth)acryloyl group in its molecule; from 5 to 100 parts by weight of (b) an organopolysiloxane unreactive with ingredient (a); from 1 to 50 parts by weight of (c) an amorphous pulverization product of a three-dimensionally crosslinked silicone resin; from 1 to 20 parts by weight of (d) a fumed silica; and an effective amount of (e) a polymerization initiator, as a gel composition which has high vibration-absorbing properties and high shape retention and which can be used as, e.g., a vibration-absorbing damper even when it is not sealed up in a container or bag.Type: GrantFiled: September 16, 2002Date of Patent: June 1, 2004Assignee: Three Bond Co., Ltd.Inventor: Tsunetoshi Fujisawa
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Patent number: 6727303Abstract: A flame retardant aromatic polycarbonate resin composition comprising: (1) 100 parts by weight of resin components comprising 50 to 100 wt % of an aromatic polycarbonate resin (component A-1), 0 to 50 wt % of a styrene-based resin (component A-2) and 0 to 50 wt % of an aromatic polyester resin (component A-3); and (2) 0.1 to 10 parts by weight of a silicone compound (component B) which contains an Si—H group and an aromatic group in the molecule based on 100 parts by weight of the total of the resin components, wherein the silicone compound is at least one selected from silicone compounds which have (1) an Si—H group content (Si—H content) of 0.1 to 1.Type: GrantFiled: August 28, 2002Date of Patent: April 27, 2004Assignee: Teijin Chemicals, Ltd.Inventors: Tetsushi Ono, Akinari Itagaki, Masaaki Yamaya, Yoshiteru Kobayashi