Reactant Contains A Silicon Atom As A Ring Member Of A Cyclic Compound Patents (Class 528/37)
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Patent number: 8110630Abstract: Gel compositions containing a silicone elastomer from the reaction of an organohydrogensiloxane having at least two SiH containing cyclosiloxane rings in its molecule, a compound having at least two aliphatic unsaturated hydrocarbon groups in its molecule, and a hydrosilylation catalyst. The silicone elastomer reaction product may itself be a gelled composition, or optionally may be contained in a carrier fluid to form a gel. The gel compositions may further contain a personal or healthcare active. The actives may be incorporated into the gel via either a pre or post load method.Type: GrantFiled: March 20, 2007Date of Patent: February 7, 2012Assignee: Dow Corning CorporationInventors: Shaow Lin, James McVie, Paul Vandort
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Publication number: 20110301247Abstract: Disclosed herein is a cosmetic product which contains a polymer having the repeating unit represented by the following formula (1) or (2): wherein R1 is independently alkyl group having 1 to 12 carbon atoms, X is a group represented by the following formula (i), a is an integer of 1 to 3, and b is an integer of 0 to 2, wherein R2 is independently alkyl group having 1 to 12 carbon atoms and c is an integer of 1 to 5, wherein R1, R2, and b are defined as above, and d is an integer of 2 to 5.Type: ApplicationFiled: December 29, 2010Publication date: December 8, 2011Inventors: Chihiro HAYAKAWA, Hiroaki Tetsuka, Mamoru Hagiwara, Yoshinori Yoneda
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Patent number: 8053539Abstract: In one aspect, the invention relates to compositions comprising siloxanyl compounds comprising the structure: or residues thereof. Such compositions can be suitable for producing molded articles, can be excellent in transparency, hydrophilicity, and oxygen permeability, and can have a low modulus of elasticity and/or an excellent optical quality, so as to be suitable for ophthalmic lenses such as contact lenses and intraocular lenses. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.Type: GrantFiled: December 12, 2006Date of Patent: November 8, 2011Assignees: Johnson & Johnson Vision Care Inc., Toray Industries Inc.Inventors: Masataka Nakamura, Kazuhiko Fujisawa, Mitsuru Yokota
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Publication number: 20110251369Abstract: Disclosed are a polysilsesquioxane having a ladder structure with photoactive groups bonded at the siloxane main chain, and a method for preparing the same. Polysilsesquioxanes exhibiting superior thermal and mechanical properties and having various functionalities and characteristics depending on the photoactive groups introduced thereto may be prepared via a relatively simple method. The polysilsesquioxanes may be useful as an industrial material for organic-inorganic hybrid materials.Type: ApplicationFiled: August 6, 2010Publication date: October 13, 2011Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Seung Sang HWANG, Kyung Youl BAEK, Seung-Sock CHOI, He Seung LEE, Albert S. LEE, Sungyoun OH
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Publication number: 20110251370Abstract: A soluble fused donor-acceptor conjugated polymer (fDA-CP) is prepared that absorbs light throughout nearly all the visible spectrum and is essentially black to the human eye when in the neutral state. The conjugated polymer has acceptor units that are isolated by a plurality of fused donor units. The fDA-CP assumes a conformation that results in a close ?-stacking between adjacent lamella with a separation of less than 4.5 ? in the solid state and extended conjugation to promote high charge carrier mobilities. The fDA-CP is prepared by the polycondensation of a plurality of at least one fused donor-acceptor oligomer (fDA-oligomer) that has a flat internal acceptor unit and at least one fused donor unit incorporated in the oligomers, and optionally, an additional conjugated aromatic monomer or oligomer copolymerized with the fDA-oligomers.Type: ApplicationFiled: November 25, 2009Publication date: October 13, 2011Inventors: Pierre Marc Beaujuge, John R. Reynolds, Stefan Martin Ellinger, Chad Martin Amb
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Patent number: 8030423Abstract: Multi-armed macromonomers containing multiple side chains attached to a siloxy-containing core terminated on each end with one or more first substantially linear polysiloxane radicals having a polymerizable ethylenically unsaturated-containing terminal group, wherein each side chain comprises a second substantially linear polysiloxane radical having a polymerizable ethylenically unsaturated-containing terminal group are disclosed. Biomedical devices such as contact lenses formed from the multi-armed macromonomers are also disclosed.Type: GrantFiled: January 13, 2009Date of Patent: October 4, 2011Inventors: Joseph C. Salamone, Jay F. Kunzler
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Patent number: 8022162Abstract: A method of making a diluted organopolysiloxane polymer comprising the steps of:— (i) preparing an organopolysiloxane polymer by polymerizing cyclic organopolysiloxane monomer(s) in the presence of an organic diluent material, a suitable catalyst and an end-blocking agent; and (ii) Where required quenching the polymerization process; wherein the diluent material is substantially retained within the resulting diluted organopolysiloxane.Type: GrantFiled: April 3, 2006Date of Patent: September 20, 2011Assignee: Dow Corning CorporationInventors: Isabelle Maton, Giuseppina Lavinaro, Jean Willieme, Tommy Detemmerman, Robert Drake
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Patent number: 8003736Abstract: A silicon-containing compound of formula (1), and a curing composition containing a silicon-containing compound of formula (1) wherein Z is hydrogen, a silicon-containing compound of formula (1) wherein Z is C2-C4 alkenyl or alkynyl and a hydrosilylation catalyst. The composition has excellent handling and curing properties and provides a cured product with excellent heat resistance and flexibility. In formula (1), Ra-Rg=C1-C12 saturated aliphatic hydrocarbon group or C6-C12 aromatic hydrocarbon group. Re and Rf do not simultaneously represent C1-C12 saturated aliphatic hydrocarbon group; Y=C2-C4 alkylene; Z=hydrogen or C2-C4 alkenyl or alkynyl; K is 2-7; T is 1-7; P is 0-3; and M and N are numbers selected such that N:M=1:1 to 1:100, that all M's and N's total at least 15, and that the mass average molecular weight of the compound of formula (1) is 3,000 to 1,000,000.Type: GrantFiled: April 21, 2008Date of Patent: August 23, 2011Assignee: Adeka CorporationInventors: Takashi Sueyoshi, Ken-ichiro Hiwatari, Tadashi Janado, Yoshikazu Shoji, Seiichi Saito, Yoshitaka Sugawara
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Publication number: 20110190467Abstract: The present invention relates to a macromonomer having a polydimethylsiloxane backbone that has a mol % dimethyl siloxanes, b mol % siloxanes substituted with -K-RIM, c mol % siloxanes substituted with -K-RIM-Z and d mol % siloxanes substituted with -L-Z, and in which the terminal siloxane groups are tri-substituted with R, wherein RIM is a refractive index modifying group; Z is a free radically polymerisable group; K is a spacer group; L is optional and is a spacer group; each R is independently selected from an RIM, a lower alkyl group, hydrogen or Z; and a is a molar percentage of the macromonomer which is in the range of from 0 to 95 mol %; b is a molar percentage of the macromonomer which is in the range of from 5 to 99 mol %; c is a molar percentage of the macromonomer which is in the range of from 0 to 2 mol %; and d is a molar percentage of the macromonomer which is in the range of from 0 to 2 mol %; with the proviso that c and d are not both 0 mol %.Type: ApplicationFiled: April 14, 2011Publication date: August 4, 2011Applicant: VISION CRC LIMITEDInventors: Timothy Charles Hughes, John Stuart Wilkie, Justine Leigh Jeffery, Xuan Thi Thanh Nguyen, Xiaojuan Hao
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Publication number: 20110182618Abstract: Provided are a charging member capable of maintaining excellent wear resistance even after repeated use, and a process cartridge and an electrophotographic apparatus each having the charging member. The charging member is characterized in that its surface layer has a polysiloxane to which a silsesquioxane is bonded.Type: ApplicationFiled: April 5, 2011Publication date: July 28, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Yoko Kuruma, Noriaki Kuroda, Noriko Nagamine
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Patent number: 7939617Abstract: A polysiloxane represented by the formula (1) or (2): where R, R1, R2, m and n are defined in the specification.Type: GrantFiled: December 14, 2007Date of Patent: May 10, 2011Assignee: Chisso CorporationInventors: Nobumasa Ootake, Kazuhiro Yoshida, Kenichi Watanabe, Yasuhito Yamaryo
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Patent number: 7939614Abstract: A curable composition which comprises at least one of the following (A), (B), and (C) and further contains (D) (provided that when (C) is not contained, both (A) and (B) are in the composition. (A): A silicon-containing polymer in which the content of components having a weight-average molecular weight of 1,000 or lower is 20 wt. % or lower and which has a reactive group A? and one or more Si—O—Si bonds. (B): A silicon-containing polymer in which the content of components having a weight-average molecular weight of 1,000 or lower is 20 wt. % or lower and which has an Si—H group and one or more Si—O—Si bonds. (C): A silicon-containing polymer in which the content of components having a weight-average molecular weight of 1,000 or lower is 20 wt. % or lower and which has a reactive group A?, an Si—H group, and one or more Si—O—Si bonds. (D): A catalyst for curing reaction which is a platinum catalyst.Type: GrantFiled: May 10, 2005Date of Patent: May 10, 2011Assignees: Adeka Corporation, Kansai Electric Power Company, Inc.Inventors: Takashi Sueyoshi, Ken-Ichiro Hiwatari, Tadashi Janado, Yoshikazu Shoji, Yoshitaka Sugawara
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Patent number: 7915323Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain monoethylenically unsaturated polycarbosiloxane monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices.Type: GrantFiled: July 9, 2009Date of Patent: March 29, 2011Assignee: Bausch & Lamb IncorporatedInventors: Alok Kumar Awasthi, Jason K. Stanbro, Jay F. Kunzler, Jeffrey G. Linhardt
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Patent number: 7915369Abstract: Inorganic/organic hybrid polymers containing silsesquioxane cages are robust and exhibit desirable physical properties such as strength, hardness, and optical transparency at infrared and ultraviolet wavelengths. The polymers are prepared by polymerizing functionalized polyhedral silsesquioxane monomers such as polyhedral silsesquioxanes bearing two complementarily reactive functional groups bonded to cage silicon atoms by means of spacer moieties. The spacer moieties allow for steric mobility and more complete cure than polyhedral silsesquioxanes bearing reactive functional groups bound directly to cage silicon atoms.Type: GrantFiled: March 8, 2005Date of Patent: March 29, 2011Assignees: Panasonic Electric Works Co., Ltd., The Regents of the University of MichiganInventors: Richard M. Laine, Lisa Viculis, Norihiro Takamura, Ken-ichi Shinotani
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Patent number: 7906605Abstract: A composition containing (A) a compound having at least one aliphatic unsaturation; (B) a cyclic organohydrogen-silicon crosslinking compound containing at least one silicon-bonded hydrogen atom (Sift) per molecule, prepared by a platinum catalyzed coupling reaction of a methylhydrogen cyclosiloxane, with a reactant containing aliphatic unsaturation, hydroxy functionalities, or a mixture of both; and (B1) a linear or branched acyclic organohydrogensilicon Crosslinking compound containing at least one silicon-bonded hydrogen atom per molecule. The composition can be used to prepare release coating compositions by adding (C) a platinum group metal-containing catalyst. Release coating compositions containing Components (B) and (B1) have better cure, better adhesion, and lower release forces, than release coating compositions containing only Component (B).Type: GrantFiled: July 19, 2006Date of Patent: March 15, 2011Assignee: Dow Corning CorporationInventors: Stephen Edward Cray, David A. Rich, Jean De La Croix Habimana, Paul Cornelius Vandort
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Patent number: 7901868Abstract: A composition that includes functionalized polyhedral oligomeric silsesquioxanes derivatives of the formulas TmR3 where m is equal to 8, 10 or 12 and QnMnR1,R2,R3 where n is equal to 8, 10 or 12 are provided. The functional groups include aqueous base soluble moieties. Mixtures of the functionalized polyhedral oligomeric silsesquioxanes derivatives are highly suitable as a topcoat for photoresist in photolithography and immersion photolithography applications.Type: GrantFiled: May 28, 2008Date of Patent: March 8, 2011Assignee: International Business Machines CorporationInventors: Robert David Allen, Rutnam Sooriyakumaran, Linda Karin Sundberg
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Publication number: 20110028673Abstract: In one aspect, the invention relates to hydrolysis-resistant silicone compounds. In particular, disclosed are sterically hindered hydrolysis-resistant silicone compounds and improved purity hydrolysis-resistant silicone compounds. Also disclosed are processes for making hydrolysis-resistant silicone compounds; the products of the disclosed processes; compositions and polymers comprising the disclosed compounds and products of the disclosed processes; and ophthalmic lenses, for example contact lenses, intraocular lenses, artificial cornea, and spectacle lenses, comprising the disclosed compositions, disclosed polymers, disclosed compounds, and products of the disclosed processes. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.Type: ApplicationFiled: October 8, 2010Publication date: February 3, 2011Inventors: Kazuhiko Fujisawa, Masataka Nakamura, Mitsuru Yokota, Douglas G. Vanderlaan
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Patent number: 7875738Abstract: This invention relates to an amorphous non-glassy ceramic composition that may be prepared by curing, calcining and/or pyrolyzing a precursor material comprising silicon, a Group III metal, a Group IVA metal, and/or a Group IVB metal.Type: GrantFiled: September 29, 2008Date of Patent: January 25, 2011Assignee: Sigma-Aldrich Co.Inventors: William R. Betz, Christopher M. Linton
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Publication number: 20100317818Abstract: A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer, and reacting the reactive polymer with a halosilane compound containing an amino group.Type: ApplicationFiled: June 18, 2008Publication date: December 16, 2010Inventors: Terrence Hogan, Steven Luo, Yoichi Ozawa, Junko Matsushita, Ryuji Nakagawa, Ken Tanaka, Eiju Susuki
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Publication number: 20100316889Abstract: The present invention has an object to provide a curable composition for transfer materials. The curable composition is applicable to a UV nanoimprint process capable of forming micropatterns with high throughput, is applicable to a thermal nanoimprint process in some cases, and is capable of forming a micropattern having high selectivity on etching rates regarding a fluorine-based gas and an oxygen gas. The curable composition for transfer materials comprises a silsesquioxane skeleton-containing compound having, in its molecule, a specific silsesquioxane skeleton and a curable functional group.Type: ApplicationFiled: November 11, 2008Publication date: December 16, 2010Applicant: SHOWA DENKO K.K.Inventors: Yoshikazu Arai, Hiroshi Uchida
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Patent number: 7838117Abstract: Provided is a silicone-sealed LED including: a LED chip, a cured silicone rubber layer which coats the LED chip, and a cured silicone resin layer which coats and seals the periphery of the cured silicone rubber layer. Also provided are a process for producing the silicone-sealed LED and a process for sealing a LED. In the silicone-sealed LED, a silicone rubber layer disposed between a silicone resin layer that represents the sealing body and a LED chip functions as a buffer layer, meaning cracks are not easily generated in the silicone resin layer that represents the sealing body, while full use is made of the excellent heat resistance, weather resistance, and color fastness of the silicone rubber and the silicone resin.Type: GrantFiled: January 19, 2006Date of Patent: November 23, 2010Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Kei Miyoshi, Eiichi Tabei
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Patent number: 7834119Abstract: The present invention relates to an organic silicate polymer prepared by mixing silane compound with organic solvent to prepare a first mixture, and hydrolyzing and condensing the first mixture by adding water and catalyst, the first mixture being selected from a group consisting of oxidized hydrosilane, cyclic siloxane, a second mixture of oxidized hydrosilane and silane or silane oligomer, and a third mixture of cyclic siloxane and silane or silane oligomer, a composition for forming an insulation film of semiconductor devices prepared by using the organic silicate polymer, a method for preparing an insulation film using the composition, and a semiconductor device comprising the insulation film.Type: GrantFiled: March 28, 2003Date of Patent: November 16, 2010Assignee: LG Chem, Ltd.Inventors: Jung-Won Kang, Min-Jin Ko, Dong-Seok Shin, Gwi-Gwon Kang, Myung-Sun Moon, Hye-Yeong Nam, Bum-Gyu Choi, Young-Duk Kim, Byung-Ro Kim, Won-Jong Kwon, Sang-Min Park
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Patent number: 7834120Abstract: A novel monofunctional monomer having a cage oligosiloxane structure is represented by formula (1) wherein X is a polymerizable oxygen-containing C1-C40 group, R1 is a C1-C20 saturated hydrocarbon group, C6-C20 aromatic hydrocarbon group, C1-C20 organoxy group or halogen atom, and R is a non-polymerizable monovalent C1-C40 hydrocarbon group which is optionally halogenated. The monomer has improved compatibility with various solvents and polymerizable monomers. A method for preparing the same is also provided.Type: GrantFiled: October 4, 2005Date of Patent: November 16, 2010Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Ayumu Kiyomori, Tohru Kubota, Yasufumi Kubota, Takayuki Honma
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Patent number: 7816667Abstract: A silsesquioxane-based compound represented by Formula 1 and an organic light-emitting device including the same: wherein R1, R2, R3, R4, R5, R6, R7, and R8 are as defined in the specification. The use of the silsesquioxane-based compound enables to produce an organic light-emitting device with improvement in electrical characteristics such as brightness and efficiency. The silsesquioxane-based compound can exhibit good film smoothness and adhesion, and at the same time, good electrical characteristics such as current efficiency and brightness, and thus, is suitable for use in an organic light-emitting device.Type: GrantFiled: August 25, 2006Date of Patent: October 19, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventors: Jong-Jin Park, Tae-Woo Lee, Masa-Aki Kakimoto, Lyong-Sun Pu
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Patent number: 7816480Abstract: The present teachings provide silole-based polymers that can be used as p-type semiconductors. More specifically, the present teachings provide polymers that include a repeating unit of Formula I: wherein R1, R2, R3, R4, R5R6, Z, x, and x? are as defined herein. The present teachings also provide methods of preparing these polymers, and relate to various compositions, composites, and devices that incorporate these polymers.Type: GrantFiled: September 21, 2009Date of Patent: October 19, 2010Assignee: Northwestern UniversityInventors: Tobin J. Marks, Antonio Facchetti, Gang Lu, Hakan Usta, Joseph Letizia
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Patent number: 7815864Abstract: This invention relates to an amorphous non-glassy ceramic composition that may be prepared by curing, calcining and/or pyrolyzing a precursor material comprising silicon, a Group III metal, a Group IVA metal, and/or a Group IVB metal.Type: GrantFiled: November 19, 2004Date of Patent: October 19, 2010Assignee: Sigma-Aldrich Co.Inventors: William R. Betz, Christopher M. Linton
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Publication number: 20100240855Abstract: A compound represented by Formula (1) and a polymer obtained using the compound: wherein R1 is phenyl which may have substituents, Q1 is hydrogen, halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl or phenyl in which optional hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms, Q2 is a group represented by Formula (2): <—Z0?A1-Z1?l?A2-Z2?m?A3-Z3?n?A4?p—Z4—??(2) wherein the code < represents a bonding point with silicon, 1, m, n and p are independently 0, 1, 2 or 3, and A1 to A4, Z0 to Z4 and Y1 are defined in the specification.Type: ApplicationFiled: March 10, 2010Publication date: September 23, 2010Inventors: Jyun-ichi Inagaki, Yasuyuki Sasada, Takashi Kato
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Patent number: 7799888Abstract: Low molecular weight siloxane materials having one functional group are provided which have reduced tendency to form phase separated domains after polymerization. Two classes of siloxane materials are included: (1) symmetric siloxane macromonomers containing at least two monomer termini and one polymerizable functional group which is equidistant from the termini, and (2) assymetric siloxane macromonomers having at least one polymerizable functional group terminus and at least one oxygen-containing polar hydrophilic terminus selected from the group consisting of hydroxyl, ether, and polyether. Symmetric siloxane macromonomers having hydroxyl termini are useful for forming biocompatible materials, such as for contact lenses, tissue regeneration scaffold polymers, and coatings to reduce non-specific binding of proteins.Type: GrantFiled: October 30, 2007Date of Patent: September 21, 2010Assignee: Gelest, Inc.Inventors: Barry C. Arkles, Edward Kimble
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Patent number: 7799887Abstract: A silicon-containing curable composition, comprising: a prepolymer (A) containing two or more Si—H groups per molecule obtained by hydrosilylation reaction of one kind or more selected from each of components (?) and components (?) described below; a cyclic siloxane compound (B) containing per molecule two or more carbon-carbon double bonds that have reactivity to the Si—H groups; and a hydrosilylation catalyst (C); wherein the component (?) is a cyclic siloxane compound represented by formula (1) and contains two or more Si—H groups per molecule, wherein R1, R2 and R3 each are an alkyl group having 1 to 6 carbon atoms or a phenyl group, may be the same or different, a is any number of 2 to 10, b is any number of 0 to 8, and a+b?2, and wherein the component (?) is a compound containing per molecule two or more carbon-carbon double bonds that have reactivity to the Si—H groups.Type: GrantFiled: February 14, 2006Date of Patent: September 21, 2010Assignee: Adeka CorporationInventors: Jinichi Omi, Koichi Sakamaki, Hiroshi Morita, Masako Saito
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Patent number: 7776988Abstract: The invention relates to silicon oils, more particularly, to a novel method for the preparation of a silicon oil by polymerization and rearrangement of cyclic siloxanes in the presence of an alkaline catalyst and a co-catalyst which is a cryptand (macroheterobicyclic diamine) acting as a polymerization accelerator.Type: GrantFiled: November 30, 2007Date of Patent: August 17, 2010Assignee: Rhodia ChimieInventors: Etienne Fleury, Jean-Manuel Mas, Kamel Ramdani
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Patent number: 7759406Abstract: The present invention provides a process for producing a polysilsesquioxane graft polymer (1) which includes applying ionizing radiation or heat to a mixture including a polysilsesquioxane compound (2) and a vinyl compound (3), a polysilsesquioxane compound including an iniferter group, and a pressure-sensitive adhesive and a pressure-sensitive adhesive sheet using the polymer. According to the present invention, a process for producing a polysilsesquioxane graft polymer which may be used as a pressure-sensitive adhesive exhibiting excellent heat resistance and cohesive force, and the like are provided. In the formula, A represents a linking group, R1 represents a hydrocarbon group which may have a substituent, R2 represents a hydrogen atom or the like, R3 represents a polar group or the like, R4 represents a hydrogen atom or the like, k1 to k3 represent arbitrary positive integers, 1 to n represent zero or an arbitrary positive integer (excluding the case where “m=n=0”), and Q represents an iniferter group.Type: GrantFiled: September 22, 2004Date of Patent: July 20, 2010Assignee: Lintec CorporationInventors: Taketo Kumon, Toshifumi Kageyama, Atsuko Kimura, Toshio Sugizaki, Osamu Moriya
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Patent number: 7750176Abstract: A multi-functional cyclic siloxane compound (A), a siloxane-based (co)polymer prepared from the compound (A), or compound (A) and at least one of a Si monomer having organic bridges (B), an acyclic alkoxy silane monomer (C), and a linear siloxane monomer (D); and a process for preparing a dielectric film using the polymer. The siloxane compound of the present invention is highly reactive, so the polymer prepared from the compound is excellent in mechanical properties, thermal stability and crack resistance, and has a low dielectric constant resulting from compatibility with conventional pore-generating materials. Furthermore, a low content of carbon and high content of SiO2 enhance its applicability to the process of producing a semiconductor, wherein it finds great use as a dielectric film.Type: GrantFiled: June 29, 2009Date of Patent: July 6, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Hyeon Jin Shin, Hyun Dam Jeong, Jong Baek Seon, Sang Kook Mah, Jin Heong Yim, Jae Jun Lee, Kwang Hee Lee, Jung Bae Kim
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Patent number: 7732526Abstract: A green product for use in fabricating a ceramic article comprises a ceramic powder immobilized within a silicone matrix, wherein the silicone matrix comprises one or more cross linked or polymerized silicone monomers and/or oligomers, wherein the one or more cross linked or polymerized silicone monomers and/or oligomers have a alkenyl reactive functional group and a hydride reactive functional group. Processes for forming a green product and a ceramic core with the silicone monomers and/or oligomers are also disclosed.Type: GrantFiled: October 2, 2007Date of Patent: June 8, 2010Assignee: General Electric CompanyInventors: Thomas Francis McNulty, John Thomas Leman
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Publication number: 20100092690Abstract: A polymer cures by either radiation or moisture curing mechanisms, or both. The polymer is prepared by hydrosilylation. The polymer includes units of formula: (R22Si02/2)b, (R2Si03/2)c, (SiO4/2)d, (R1?)f, and (R23Si01/2)g, where each R1 is independently an oxygen atom or a divalent hydrocarbon group; each R1? is independently divalent hydrocarbon group; each R2 is independently a monovalent organic group that is free of terminal aliphatic unsaturation each X is independently a monovalent hydrolyzable group; each J is independently a monovalent epoxy functional organic group; subscript a has a value of 1 or more; subscript b has a value of 0 or more; subscript c has a value of 0 or more; subscript d has a value of 0 or more; subscript e has a value of 1 or more; subscript f has a value of 0 or more; subscript g has a value of 0 or more; subscript s is 1, 2, or 3; and subscript t is 1, 2, or 3.Type: ApplicationFiled: November 7, 2007Publication date: April 15, 2010Applicant: DOW CORNING CORPORATIONInventors: Khristopher Alvarez, Nick Shephard, James Tonge
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Patent number: 7692032Abstract: The present invention relates to a thermal conductive silicone composition containing a siloxane which contains a hydrolytic group represented by the formula (1): where R1 is a group containing an alkoxysilyl group having 1 to 4 carbon atoms, R2 is a siloxy represented by the following formula (2) or a monovalent hydrocarbon group having 6 to 18 carbon atoms, X is a divalent hydrocarbon group having 2 to 10 carbon atoms, a and b are integers of 1 or more, c is an integer of 0 or more, the sum of a+b+c is an integer of 4 or more, R3 is a monovalent hydrocarbon group having 1 to 6 carbon atoms or a hydrogen atom, provided that R3s may be the same as or different from each other; R4 is a monovalent hydrocarbon group having 1 to 12 carbon atoms, Y is a group selected from a methyl group, a vinyl group and R1, and d is an integer of 2 to 500.Type: GrantFiled: September 29, 2004Date of Patent: April 6, 2010Assignee: Momentive Performance Materials Japan LLCInventor: Chisato Hoshino
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Publication number: 20100063222Abstract: A polymer containing: a constitutional unit A that is derived from fluorosilsesquioxane having one addition polymerizable functional group in a molecule; a constitutional unit B that is derived from organopolysiloxane having an addition polymerizable functional group; and a constitutional unit C that is derived from an addition polymerizable monomer and has a group having a polymerizable unsaturated bond on a side chain, and optionally containing a constitutional unit D that is derived from an addition polymerizable monomer other than the fluorosilsesquioxane having one addition polymerizable functional group in a molecule, the organopolysiloxane having an addition polymerizable functional group and the addition polymerizable monomer having a functional group capable of introducing a group having a polymerizable unsaturated bond.Type: ApplicationFiled: December 17, 2007Publication date: March 11, 2010Applicant: Chisso CorporationInventors: Hisao Oikawa, Koji Ohguma, Kenya Ito, Minoru Nakayama, Shin Koga, Mikio Yamahiro, Hiroyuki Sato
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Patent number: 7671161Abstract: A process for making a fluorosilicone MDaDFbM? where M=R1R2R3SiO1/2; M?=(OH)R6R7SiO1/2 or (OH)R4R5SiO1/2; D=R4R5SiO2/2; and DF=R6R7SiO2/2; where the subscript a is zero or positive, the subscript b is positive and the subscripts a and b satisfy the following relationship: b>0.Type: GrantFiled: October 13, 2006Date of Patent: March 2, 2010Assignee: Momentive Performance Materials Inc.Inventors: Nancy E. Gosh, John S. Razzano, Anping Wang
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Publication number: 20100029802Abstract: The present invention relates to biostable gel comprising: (a) at least one silicon-containing polyol, polyamine, polyepoxy or polyisocyanate having 1 or more functional groups and a molecular weight of at least 20,000 which is cured in the presence of: (b) at least one diol, diamine or diisocyanate having a molecular weight of less than 10,000; and/or (c) an initiator, processes for their preparation and their use in the manufacture and repair of biomaterials and medical devices, articles or implants, in particular the manufacture of asoft tissue implant such as breast implants and the repair of orthopaedic joints such as spinal discs.Type: ApplicationFiled: April 19, 2007Publication date: February 4, 2010Inventors: Mansour Mehrabi, Sriram Venkataramani, Mark Bown, Ajay Padsalgikar
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Patent number: 7632910Abstract: The present invention relates to a polysiloxane of the general formula (I) having at least one epoxidic radical and at least one quaternary nitrogen atom and also a textile auxiliary which comprises at least one polysiloxane according to the present invention. The polysiloxane is capable of crosslinking with or on the fiber.Type: GrantFiled: April 4, 2003Date of Patent: December 15, 2009Assignee: CHT R. Beitlich GmbHInventors: Peter Will, Matthias Koch, Friedhelm Nickel
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Patent number: 7625990Abstract: A curable composition having good curability and adhesion comprising: (A) an reactive silicon group-containing organic polymer, (B) a titanium chelate represented by the general formula (1) or (2) and (C) a high molecular weight plasticizer having a number average molecular weight of 1,000 to 15,000. General formula (1): wherein each of n R1s is independently a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, each of (4-n) R2s is independently hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, each of (4-n) A1s and (4-n) A2s is independently —R3 or —OR3 where R3 is a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, n is 1, 2 or 3. General formula (2): wherein R2, A1 and A2 are the same as defined above, R4 is a substituted or unsubstituted divalent hydrocarbon group having 1 to 20 carbon atoms.Type: GrantFiled: April 25, 2005Date of Patent: December 1, 2009Assignee: Kaneka CorporationInventors: Katsuyu Wakabayashi, Toshihiko Okamoto, Masato Kusakabe
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Patent number: 7592412Abstract: A release coating composition according to the present invention comprises an alkenyl functional polysiloxane (1), a silicon hydride functional polysiloxane (11) and a catalyst (111) comprising a platinum group metal. The alkenyl functional polysiloxane (1) is an alkenylterminated polysiloxane prepared by siloxane polycondensation and/or equilibration using a phosphazene base catalyst followed by neutralisation with an acidic neutralising agent. The level of catalyst (III) in the composition can be as low as 2-40 parts per million platinum group metal by weight.Type: GrantFiled: July 2, 2004Date of Patent: September 22, 2009Assignee: Dow Corning CorporationInventors: Stephen Edward Cray, Robert Alan Ekeland, Peter Cheshire Hupfield, Sarah O'Hare, David A. Rich, Marc Thibaut
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Patent number: 7588967Abstract: A curable silicone rubber composition comprising (A) a vinyl-containing organopolysiloxane, (B) an organohydrogenpolysiloxane, (C) an aluminum chelate catalyst, (D) a platinum catalyst, and (E) a tackifier establishes a sufficient bond strength to packaging materials including difficult-to-bond thermoplastic resins such as polyphthalamide resins and liquid crystal polymers and to electrodes of metals such as Ag, Au, Ni and Pd, and forms a transparent cured part. A semiconductor device encapsulated with the cured composition is reliable.Type: GrantFiled: May 22, 2006Date of Patent: September 15, 2009Assignee: Shin-Etsu Chemical Co., Ltd.Inventor: Tsutomu Kashiwagi
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Patent number: 7579425Abstract: A method for making high softening point linear and cyclic alkylsilicone waxes includes reacting a C30+ alpha olefin wax with a silicone hydride polymer in the presence of a catalyst. The high softening point linear and cyclic alkylsilicone waxes have softening points approximating those of natural waxes and, in consequence, can be used in applications which traditionally employ natural waxes.Type: GrantFiled: October 17, 2006Date of Patent: August 25, 2009Assignee: Clariant Life Science Molecules (Florida), Inc.Inventors: W. Leonard Terry, Jr., Gary E. LeGrow
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Patent number: 7576170Abstract: Cyclic siloxanes that contain releasable active ingredients are described. The active ingredient can be an alcohol or enolizable carbonyl-containing compound such as a ketone, aldehyde, or ester. The product siloxanes are useful in a variety of personal and household care products where slow or controlled release of active ingredient is desired. A preferred embodiment utilizes substituents that when released as active ingredients are fragrant.Type: GrantFiled: December 19, 2003Date of Patent: August 18, 2009Assignee: Momentive Performance MaterialsInventors: Robert J. Perry, Mark D. Leatherman, Shahid Murtuza
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Patent number: 7576230Abstract: A multi-functional cyclic siloxane compound (A), a siloxane-based (co)polymer prepared from the compound (A), or compound (A) and at least one of a Si monomer having organic bridges (B), an acyclic alkoxy silane monomer (C), and a linear siloxane monomer (D); and a process for preparing a dielectric film using the polymer. The siloxane compound of the present invention is highly reactive, so the polymer prepared from the compound is excellent in mechanical properties, thermal stability and crack resistance, and has a low dielectric constant resulting from compatibility with conventional pore-generating materials. Furthermore, a low content of carbon and high content of SiO2 enhance its applicability to the process of producing a semiconductor, wherein it finds great use as a dielectric film.Type: GrantFiled: June 29, 2004Date of Patent: August 18, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Hyeon Jin Shin, Hyun Dam Jeong, Jong Baek Seon, Sang Kook Mah, Jin Heong Yim, Jae Jun Lee, Kwang Hee Lee, Jung Bae Kim
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Patent number: 7569652Abstract: The present invention is directed to syntheses of cyclolinear networks. Two novel cyclic siloxanes were used as starting materials. The cyclic siloxanes are self-condensed and co-condensed with silanol-terminated polydimethylsiloxane to vinyl-terminated cyclolinear polymers. Cyclolinear networks can be synthesized by hydrosilylation of vinyl-terminated cyclolinear polyorganosiloxanes with a copolymer of dimethylsiloxane and methylhydrosiloxane.Type: GrantFiled: August 22, 2005Date of Patent: August 4, 2009Assignee: The University of AkronInventors: Joseph P. Kennedy, Jeremy Daum, Gabor Erdodi
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Publication number: 20090131609Abstract: Disclosed is an episulfide group-substituted silicon compound (A) having a backbone structure represented by the following formula (1). (1) (In the formula, R1s respectively represent a substituent having an episulfide group, an unsubstituted or unsaturated acyloxy group-substituted (C1-C10) alkyl group or an aryl group. R1s may be the same as or different from one another, but at least one R1 in a molecule is a substituent having an episulfide group.Type: ApplicationFiled: July 24, 2006Publication date: May 21, 2009Inventors: Mitsukazu Ochi, Koji Nakayama
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Patent number: 7528208Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic random copolymers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. Such properties include the ability to extract the polymerized medical devices with water. This avoids the use of organic solvents as is typical in the art. The polymer compositions comprise siloxane prepolymer containing pendant and end-capping cationic and polymerizable groups.Type: GrantFiled: November 30, 2006Date of Patent: May 5, 2009Assignee: Bausch & Lomb IncorporatedInventors: Derek A. Schorzman, Joseph C. Salamone, Jay F. Kunzler
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Patent number: 7524917Abstract: The present invention provides a novel organosilicon compound and polysiloxane which are useful as electronic materials, optical materials, coating materials, sealing materials and catalyst carriers and which can be used as additives for improving various physical properties such as flame retardancy, heat resistance, weatherability, light resistance, electric insulating property, a surface characteristic, hardness, a mechanical strength and a chemical resistance of a polymer material.Type: GrantFiled: June 30, 2004Date of Patent: April 28, 2009Assignees: Chisso Petrochemical Corporation, Chisso CorporationInventors: Nobumasa Ootake, Kazuhiro Yoshida
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Patent number: 7514519Abstract: The present invention provides such a three-dimensional ladder polymer that has, as a main chain, a silsesquioxane skeleton having a structure of the cage structure of octasilsesquioxane with two broken corners. The polymer of the invention is a polymer obtained by using a silsesquioxane derivative represented by formula (1-0). R0 each represents hydrogen, alkyl, cycloalkyl, aryl or arylalkyl, R1 each represents chlorine, a group defined as similar to R0, or a group having —CN, X independently represents hydrogen, chlorine, a group defined as similar to R1, or a group having one of —CH?CH—, —C?C—, —OH, —COOH, —COO—, 2-oxapropane-1,3-dioyl, oxiranyl, oxiranylene, oxetanyl, oxetanylene, 3,4-epoxycyclohexyl, —SH, —NCO, —NH— and —NH2; and at least two of X each is a reactive group.Type: GrantFiled: March 3, 2004Date of Patent: April 7, 2009Assignee: Chisso CorporationInventors: Nobumasa Ootake, Teruaki Hayashida