Silicon And The Carbon Of The -coo- Group Are Bonded Directly To The Same Hydrocarbon Group Patents (Class 556/438)
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Patent number: 11319413Abstract: This organopolysiloxane composition, when cured at room temperature by moisture in the atmosphere, provides a silicone rubber cured product having good self-adhesiveness to a magnesium alloy. The organopolysiloxane composition contains (A) an organopolysiloxane having a hydroxy group and/or a hydrolysable silyl group at both ends of the molecular chain, (B) an organic silicon compound other than (A) and (C), having at least three hydrolysable groups bonded to a silicon atom per molecule, and/or a partial hydrolysis-condensation product thereof, and (C) a silane coupling agent having a specific molecular structure having a carboxylic acid silyl ester bond. Furthermore, a novel compound, having an alkoxysilyl group and a carboxylic acid silyl ester group per molecule, can have improved adhesiveness/bonding properties with respect to a base material due to the effect of carboxylic acid after hydrolysis thereof.Type: GrantFiled: October 9, 2018Date of Patent: May 3, 2022Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Akira Uta, Takafumi Sakamoto
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Patent number: 10000611Abstract: A process and composition for the hydrosilylation of an unsaturated compound comprising reacting (a) a silyl hydride with (b) an unsaturated compound in the presence of (c) a platinum compound and (d) a cyclodiene, with the proviso that when the unsaturated compound is a terminal alkyne, the silyl hydride is other than a halosilane. The process and composition optionally comprise an inhibitor (e). The process and composition may be employed to form a variety of hydrosilylation products.Type: GrantFiled: December 15, 2015Date of Patent: June 19, 2018Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.Inventors: Aroop K. Roy, Julie L. Boyer
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Patent number: 9969833Abstract: Cold flow-reduced polymers having good processing characteristics have, at the ends of the polymer chains, a silane-containing carboxyl group of the formula (I) where R1 and R2 are the same or different and are each an H, alkyl, alkoxy, cycloalkyl, cycloalkoxy, aryl, aryloxy, alkaryl, alkaryloxy, aralkyl or aralkoxy; R3 and R4 are the same or different and are each an H, alkyl, cycloalkyl, aryl, alkaryl or aralkyl radical; A is a divalent organic radical.Type: GrantFiled: April 11, 2014Date of Patent: May 15, 2018Assignee: ARLANXEO Deutschland GmbHInventors: Norbert Steinhauser, Thomas Gross
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Patent number: 9920149Abstract: Polymers are functionalized at chain ends thereof with silane-containing carboxyl groups of the formula (I) where R1 and R2 are the same or different and are each an H, alkyl, alkoxy, cycloalkyl, cycloalkoxy, aryl, aryloxy, alkaryl, alkaryloxy, aralkyl or aralkoxy radical; R3 and R4 are the same or different and are each an H, alkyl, cycloalkyl, aryl, alkaryl or aralkyl radical; and A is a divalent organic radical.Type: GrantFiled: April 11, 2014Date of Patent: March 20, 2018Assignee: ARLANXEO Deutschland GmbHInventors: Norbert Steinhauser, Thomas Gross
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Publication number: 20150126744Abstract: This disclosure relates to new metal complexes, such as compounds of Formula 1, and their application in olefin or alkyne metathesis and to methods of carrying out olefin metathesis reactions.Type: ApplicationFiled: December 12, 2014Publication date: May 7, 2015Inventors: Krzysztof Skowerski, Michal Bieniek
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Patent number: 9000103Abstract: A composition of matter comprising an interpenetrating polymer network of a combination of a silanol-containing polysiloxane phase and a silylated triglyceride oil phase. The two phases are mixed and covalently bound to each other via siloxane crosslinks. A method for producing interpenetrating polymer networks. The method comprises providing triglycerides from oils or fats and reacting the triglycerides with a reactive silane to form a silylated triglyceride oil. The silylated triglyceride oil and a silanol terminated polysiloxane are emulsified with water in a predetermined ratio. Thereafter, crosslinking agents are added and the water is removed from the emulsions providing siloxane crosslinks between the two intimately mixed immiscible phases.Type: GrantFiled: August 13, 2013Date of Patent: April 7, 2015Inventors: Ramani Narayan, Daniel Gravier, Sudhanwa Dewasthale, Elodie Halbot
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Patent number: 8895769Abstract: A compound represented by the formula (I) [R1 to R3 represent an alkyl group, an alkenyl group, and the like; n represents 0 or 1; R4 represents an amino group or —(CX2)m—COOH (m represents 0 to 3, and X represents hydrogen atom); R5 represents —(CY2)p—COOR6 (p represents an 0 to 3, Y represents hydrogen atom, and R6 represents hydrogen atom or an alkyl group)], or a salt thereof.Type: GrantFiled: April 19, 2012Date of Patent: November 25, 2014Assignee: Kemphys Ltd.Inventors: Hideaki Muratake, Ai Ito, Koichi Shudo
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Patent number: 8835664Abstract: The present invention relates to a novel fluorinated compound, a composition comprising the same, and a method for manufacturing a film by using the same, and more particularly a novel compound having a structure in which one or more fluorine and acrylate-based functional groups are substituted in a silane core, a composition comprising the compound and photoinitiator, and a method for manufacturing a film by using the same. If the composition comprising the compound according to the present invention is used, it is possible to manufacture a film in which a refractive index is low, reflectivity is reduced, and transmissivity is increased.Type: GrantFiled: February 1, 2011Date of Patent: September 16, 2014Assignees: LG Chem, Ltd., Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Soon-Hwa Jung, Jin-Young Park, Yeong-Rae Chang, Eun-Kyoung Kim
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Publication number: 20140242393Abstract: The invention provides materials and methods for forming coatings on substrates. The coatings are durable and resistant to damage from environmental, chemical, thermal, and/or radiative sources. In some embodiments, the coatings comprise bilayers of electrostatically charged materials. The bilayers are created by alternately applying solutions comprising water-soluble, electrostatically charged materials. Durability is imparted to the coatings by the formation of crosslinks that are formed within and between layers after deposition of the coatings.Type: ApplicationFiled: August 15, 2013Publication date: August 28, 2014Applicant: Svaya Nanotechnoligies, Inc.Inventors: David Olmeijer, J. Wallace Parce, Benjamin Wang, Kevin Krogman
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Patent number: 8772367Abstract: There is provided new mono-(meth)acrylate functionalized silicone monomers containing carbosiloxane linkage for improved hydrolysis resistance, useful in making water absorbing silicone-hydrogel films for contact lens applications. This invention also provides homo-polymers and copolymers made from the mono-(meth)acrylate functionalized hydrophilic silicone monomers described herein. Also provided is a process for producing the monomers and polymers described herein and contact lenses produced from the same.Type: GrantFiled: March 21, 2011Date of Patent: July 8, 2014Assignee: Momentive Performance Materials Inc.Inventors: Anubhav Saxena, Umapathy Senthilkumar, Kenrick M. Lewis
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Patent number: 8748647Abstract: A polycondensate wherein R is alkylene, arylene, or alkylene-aryiene with 1-10 C, optionally containing O, S, carboxyl or amino; R1 is Z?-substituted alkylene, arylene, or alkylene-aryiene with 1-10 C, optionally containing O, S, carboxyl or amino; R? is alkyl. alkenyl, aryl, alkylaryl, or arylalkyl with 1-20 C; R3 is a bond to another Si or metal atom or is H or alkyl with 1-10 C; B and B? is an organically polymerizable group with at least one C?C bond and at least 2 C or —R2aSiX4-a or —R2aR1bSiX4-a-b, where R2 is alkylene with 1-10 C; Z? is —NH—C(O)O—, —NH—C(O)—, bonded via NH to B?, or —CO(O)—, wherein when C is bonded to B?, B?—Z?— is not acrylate if B contains acrytate, and B?—Z?— is not methacrylate if B contains methacrylate, wherein a is 1 or 2, b is 0 or 1. X may undergo hydrolytic condensation to Si—O—Si.Type: GrantFiled: October 1, 2010Date of Patent: June 10, 2014Assignee: Fraunhofer—Gesellschaft zur Föderung der angewandten Forschung e.V.Inventor: Herbert Wolter
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Publication number: 20140031575Abstract: A compound represented by the formula (I) [R1 to R8 represent an alkyl group, an alkenyl group, and the like; n represents 0 or 1; R4 represents an amino group or —(CX2)m—COOH (m represents 0 to 3, and X represents hydrogen atom); R5 represents —(CY2)p—COOR6 (p represents an 0 to 3, Y represents hydrogen atom, and R6 represents hydrogen atom or an alkyl group)], or a salt thereof.Type: ApplicationFiled: April 19, 2012Publication date: January 30, 2014Applicants: KEMPHYS LTD., RESEARCH FOUNDATION ITSUU LABORATORYInventors: Hideaki Muratake, Ai Ito, Koichi Shudo
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Patent number: 8568783Abstract: A powder is hydrophilized by treating surfaces of particles with a hydrolyzable silyl group-containing acid anhydride compound, dispersing the surface treated particles in water, adding a base, and heating the dispersion for thereby hydrolyzing the acid anhydride moiety to open its ring and neutralizing the resultant carboxylic acid with the base. The hydrophilized powder is fully dispersible in aqueous media.Type: GrantFiled: March 16, 2012Date of Patent: October 29, 2013Assignee: Shin-Etsu Chemical Co., Ltd.Inventor: Masahiro Amemiya
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Patent number: 8563279Abstract: Described is a method for the preparation of renin inhibitors such as aliskiren, and intermediates useful therein. The method introduces a nitrogen-containing intermediate such as a lactone of formula (8). with R4 being a branched C3—6 alkyl. In the preparation of the lactone, or related intermediates, a desired stereochemical configuration can be controlled by starting from a chiral aldehyde satisfying formula (10).Type: GrantFiled: December 19, 2008Date of Patent: October 22, 2013Assignee: DSM IP Assets B.V.Inventors: Ben De Lange, Anna Maria Cornelia Francisca Castelijns, Johannes Gerardus De Vries, Andreas Hendrikus Maria De Vries, Jeroen Antonius Franciscus Boogers, Quirinus Bernardus Broxterman
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Publication number: 20130197241Abstract: The invention provides methods for cyclizing poly-yne compounds under mild conditions to provide cyclic compounds.Type: ApplicationFiled: January 31, 2013Publication date: August 1, 2013Applicant: REGENTS OF THE UNIVERSITY OF MINNESOTAInventor: REGENTS OF THE UNIVERSITY OF MINNESOTA
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Patent number: 8491958Abstract: An acoustic wave biosensor comprising a surface of a mixed self-assembling monolayer for receiving a probe-biomolecule is described herein. The biosensor surface may comprise a piezoelectric quartz crystal,—for detection purposes with the electromagnetic piezoelectric acoustic sensor (EMPAS)—upon which a mixed self-assembling monolayer is formed, which includes at least one linker, such as 2,2,2-trifluoroethyl-13-trichlorosilyl-tridecanoate (TTTA); its oligoethylene glycol (OEG) analog OEGylated TTTA (OEG-TTTA); S-(2-(2-(2-(3-trichlorosilyl-propyloxy)-ethoxy)-ethoxy)-ethyl)-benzenethiosulfonate (OEG-TUBTS). Linker/diluent systems for attaching a functionalizing entity to the surface of a biosensor are described, as well as methods for preparing a biosensor surface with an oligoethylene glycol linker.Type: GrantFiled: June 6, 2011Date of Patent: July 23, 2013Assignee: Econous Systems Inc.Inventors: Michael Thompson, Sonia Sheikh, Jack Chih-Chieh Sheng, Christophe Blaszykowski
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Patent number: 8481608Abstract: The invention provides a silicone monomer having high purity and suitable for use in the manufacture of ophthalmic devices, and a contact lens produced from the silicone monomer as a polymerizable component. The silicone monomer is represented by the formula (1): wherein Y1 to Y9 each independently stands for an alkyl group having 1 to 4 carbon atoms, n is an integer of 0 to 3, a and b each independently denotes an integer of 0 or 1, and R stands for a hydrogen atom or a methyl group.Type: GrantFiled: January 19, 2010Date of Patent: July 9, 2013Assignee: NOF CorporationInventors: Yosuke Matsuoka, Nobuyuki Yoshioka, Nobuyuki Sakamoto, Toshiya Itei, Ryota Kobayashi, Mao Sorimachi
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Patent number: 8461368Abstract: The present invention relates to a process for preparing organic silane compounds having a ?-cyano ester group. In particular, the present invention relates to a process for preparing organic silane compounds having a ?-cyano ester group, in which ?-cyano ?-cyano containing compounds having an unsaturated group are hydrosilylated using a hydro alkoxy silane in the presence of a platinum-vinyl siloxane catalyst. The preparation process according to the present invention can stably initiate and progress the reaction, minimize the generation of by-products, and prepare organic silane compounds having a ?-cyano ester structure with high yield.Type: GrantFiled: December 3, 2007Date of Patent: June 11, 2013Assignee: LG Chem, Ltd.Inventors: No Ma Kim, Jeong Min Ha, Sung Soo Yoon
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Publication number: 20130075364Abstract: Methods for forming a pattern in a lithography process for semiconductor wafer manufacturing are provided. In an example, a method includes forming a photoresist layer over a material layer; performing a first exposure process on the photoresist layer, thereby forming an exposed photoresist layer having soluble portions and unsoluble portions; treating the exposed photoresist layer, wherein the treating includes one of performing a second exposure process on the exposed photoresist layer and forming an adsorbing chemical layer over the exposed photoresist layer; and developing the exposed and treated photoresist layer to remove the soluble portions of the photoresist layer, wherein the unsoluble portions of the photoresist layer form a photoresist pattern that exposes portions of the material layer.Type: ApplicationFiled: September 22, 2011Publication date: March 28, 2013Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chien-Wei Wang, Ko-Bin Kao, Wei-Liang Lin, Jui-Ching Wu, Chia-Hsiang Lin, Ai-Jen Jung
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Publication number: 20120321110Abstract: A porous silica material in which silica particles are connected to one another three-dimensionally, wherein: the porous silica material includes a through hole including first pores smaller than a mean free path of an air, and second pores larger than the first pores; the porous silica material has a density of 100 kg/m3 or more and 300 kg/m3 or the silica particles.Type: ApplicationFiled: August 30, 2012Publication date: December 20, 2012Applicant: PANASONIC CORPORATIONInventors: Yuriko KANEKO, Takuya IWAMOTO, Ushio SANGAWA, Masahiko HASHIMOTO, Norihisa MINO
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Publication number: 20120310000Abstract: A method for preparing a rosuvastatin calcium intermediate, including a) contacting a halogenated ethene with magnesium metal to obtain a halogenated ethene Grignard reagent, and carrying out a Grignard reaction between the halogenated ethene Grignard reagent and R-epichlorohydrin; b) adding sodium cyanide for carrying out a nucleophilic substitution reaction; c) adding alcohol for carrying out an alcoholysis reaction; d) adding a basic solvent for carrying out protection of a first hydroxyl group; e) selectively oxidizing a second hydroxyl group; and f) adding triphenylphosphine in alkaline condition for carrying out a Wittig reaction.Type: ApplicationFiled: August 16, 2012Publication date: December 6, 2012Applicant: PORTON FINE CHEMICALS LTD.Inventors: Wenqing LIN, Hongjie ZHENG, Xiaobo LIU
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Patent number: 8304571Abstract: The present invention relates to a perfluoropolyether-modified polysiloxane represented by general formula (1): wherein X is a divalent group represented by formula —CH2—, —CH2O—, —CH2OCH2— or —Y—NR—CO—, R1, R2, and R3 are, independently of each other, an alkyl group having 1 to 10 carbon atoms or an aryl group; X? is a divalent group represented by formula —CH2—, —OCH2—, —CH2OCH2— or —CO—NR—Y?—, a is, independently of each other, 0 or 1; z and z? are, independently of each other, an integer of 5 to 100; and Rf is a divalent group represented by the following general formula (2): —CtF2t[OCF2CF(CF3)]m—OCF2(CF2)rCF2O[CF(CF3)CF2O]nCtF2t—??(2) or by the following general formula (3): —Ct?F2t?(OCF2CF2)u(OCF2)vOCt?F2t?—??(3).Type: GrantFiled: July 12, 2010Date of Patent: November 6, 2012Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Hiromasa Yamaguchi, Noriyuki Koike
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Patent number: 8278288Abstract: Organosiloxanes containing ester derivatives of ascorbic acid are disclosed having the formula (RiSiO)11Ro-Ii)Si—X-A wherein R is an alkyl group containing 1 to 6 carbon atoms, n is 1 to 3 inclusive, X is a divalent organic linking group, A is an ester derivative of ascorbic acid. A method of making an organosiloxane containing ester derivatives of ascorbic acid and the products prepared according to the method arc also taught. The compounds and compositions of the present disclosure are useful to affect tissue lightening when applied topically to keratinaceous tissue.Type: GrantFiled: September 16, 2008Date of Patent: October 2, 2012Assignee: Dow Corning CorporationInventors: Michael Salvatore Ferritto, Eric Jude Joffre, Margo L. McIvor, Michael Stephen Starch
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Patent number: 8242298Abstract: The present invention relates to novel processes for preparing borylsilylamines, novel amines, novel borosilazane compounds, novel oligoborosilazane or polyborosilazane compounds which have the structural feature Si—N—B, ceramic material and methods of producing and using them.Type: GrantFiled: August 6, 2010Date of Patent: August 14, 2012Assignee: Max-Planck-Gesellschaft zur Forderung der Wissenschaften E.V.Inventors: Matthias Kroschel, Martin Jansen
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Publication number: 20120196986Abstract: The invention relates to stabilized mixtures (M) comprising a polymer (P) that can be humidity-cured into a cured polymer (PV), wherein the polymer (P) comprises hydrolysable silane groups at least one location not corresponding to the two ends of the main polymer chain, and silane (W) having at least one hydrolysable group as a water catcher, reacting faster with water at 25° C. and 1 bar than the humidity-curing polymer (P), and to a method for curing polymers (P) in mixtures (M) by means of water and particular silanes (W).Type: ApplicationFiled: October 8, 2010Publication date: August 2, 2012Applicant: WACKER CHEMIE AGInventors: Juergen Oliver Daiss, Juergen Stohrer
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Publication number: 20120189492Abstract: In various embodiments, the present disclosure describes fullerene derivatives that are capable of photocatalytically generating reactive oxygen species in the presence of ultraviolet and/or visible light. In some embodiments, the fullerene derivatives are aminofullerenes containing a plurality of amine-terminated moieties covalently bonded to the fullerene cage. The fullerene derivatives may optionally be covalently bonded to a substrate surface for use in photocatalytic disinfection systems for removing various contaminants including, for example, bacteria, viruses, protozoa and chemical pollutants. Methods using the present fullerene and aminofullerene derivatives in various purification processes are also described herein.Type: ApplicationFiled: June 24, 2010Publication date: July 26, 2012Applicant: WILLIAM MARSH RICE UNIVERSITYInventors: Pedro J.J. Alvarez, Jaesang Lee, Lon J. Wilson, Yuri Mackeyev, Jaehong Kim
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Publication number: 20120172611Abstract: A powder is hydrophilized by treating surfaces of particles with a hydrolyzable silyl group-containing acid anhydride compound, dispersing the surface treated particles in water, adding a base, and heating the dispersion for thereby hydrolyzing the acid anhydride moiety to open its ring and neutralizing the resultant carboxylic acid with the base. The hydrophilized powder is fully dispersible in aqueous media.Type: ApplicationFiled: March 16, 2012Publication date: July 5, 2012Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventor: Masahiro AMEMIYA
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Publication number: 20120128930Abstract: A method for inducing a hypervalent state within silicon-containing compounds by which they can be chemically attached to a surface or substrate and/or organized onto a surface of a substrate. The compounds when attached to or organized on the surface may have different physical and/or chemical properties compared to the starting materials.Type: ApplicationFiled: January 31, 2012Publication date: May 24, 2012Inventor: JEFFERY R. OWENS
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Patent number: 8163359Abstract: Disclosed are a retardation film including a polymer resin; and an optically anisotropic compound having a silicon group, and a polarizing plate including the retardation film. Also, disclosed is a liquid crystal display including the retardation film and/or the polarizing plate.Type: GrantFiled: December 24, 2008Date of Patent: April 24, 2012Assignee: LG Chem, Ltd.Inventors: Minjin Ko, Myungsun Moon, Kiyoul Lee, Kim YunBong, Jaeho Cheong, Bumgyu Choi, Daeho Kang
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Publication number: 20120071681Abstract: Disclosed are a process for preparing organometalloids functionalized with an unsymmetrical 1,1-disubstituted alkene, and compounds prepared therewith.Type: ApplicationFiled: September 22, 2010Publication date: March 22, 2012Applicant: THE CHINESE UNIVERSITY OF HONGKONGInventor: Chun Yu HO
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Patent number: 8124199Abstract: Disclosed is a discotic liquid crystal compound, a liquid crystal composition comprising the same, and an optical film using the same liquid crystal composition. More particularly, there is provided a liquid crystal material of a viewing angle compensation film with high quality characteristics, which can improve a contrast ratio and minimize variations in color with viewing angles in a black state, a liquid crystal composition comprising the same liquid crystal material, and a compensation film obtained from the same liquid crystal composition.Type: GrantFiled: January 22, 2008Date of Patent: February 28, 2012Assignee: LG Chem, Ltd.Inventors: Jae-Ho Cheong, Min-Jin Ko, Myung-Sun Moon, Bum-Gyu Choi, Dae-Ho Kang, Ki-Youl Lee, Yun-Bong Kim
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Publication number: 20120040931Abstract: There is disclosed an organopolysiloxane represented by the following general formula (1). (each R1 independently represents a group selected from an alkyl group having 1 to 30 carbon atoms, a fluorine-substituted alkyl group having 1 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms, and an aralkyl group having 6 to 30 carbon atoms; Y represents a polyvalent alcohol compound residue; M represents any of a hydrogen atom, an alkaline metal atom, an ammonium ion, and an alkylammonium ion; and reference character m represents an integer of 0 to 300.) There can be an organopolysiloxane capable of providing a cosmetic having excellent emulsion stability, excellent powder-dispersion stability if powders are contained therein, and excellent skin affinity and cosmetic durability, due to a novel organopolysiloxane having a specific structure containing a nonionic hydrophilic group and an anionic hydrophilic group of a carboxylic acid structure; and a cosmetic containing it.Type: ApplicationFiled: July 13, 2011Publication date: February 16, 2012Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventor: Masanao KAMEI
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Publication number: 20110306771Abstract: An acoustic wave biosensor comprising a surface of a mixed self-assembling monolayer for receiving a probe-biomolecule is described herein. The biosensor surface may comprise a piezoelectric quartz crystal,—for detection purposes with the electromagnetic piezoelectric acoustic sensor (EMPAS)—upon which a mixed self-assembling monolayer is formed, which includes at least one linker, such as 2,2,2-trifluoroethyl-13-trichlorosilyl-tridecanoate (TTTA); its oligoethylene glycol (OEG) analog OEGylated TTTA (OEG-TTTA); S-(2-(2-(2-(3-trichlorosilyl-propyloxy)-ethoxy)-ethoxy)-ethyl)-benzenethiosulfonate (OEG-TU BTS). Linker/diluent systems for attaching a functionalizing entity to the surface of a biosensor are described, as well as methods for preparing a biosensor surface with an oligoethylene glycol linker.Type: ApplicationFiled: June 6, 2011Publication date: December 15, 2011Applicant: ECONOUS SYSTEMS INC.Inventors: Michael THOMPSON, Sonia SHEIKH, Jack Chih-Chieh SHENG, Christophe BLASZYKOWSKI
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Publication number: 20110287369Abstract: There is provided a resist underlayer film forming composition for lithography for forming a resist underlayer film capable of being used as a hardmask. A resist underlayer film forming composition for lithography comprising a silane compound containing an anion group, wherein the silane compound containing an anion group is a hydrolyzable organosilane in which an organic group containing an anion group is bonded to a silicon atom and the anion group forms a salt structure, a hydrolysis product thereof, or a hydrolysis-condensation product thereof. The anion group may be a carboxylic acid anion, a phenolate anion, a sulfonic acid anion, or a phosphonic acid anion. The hydrolyzable organosilane may be a compound of Formula (1): R1aR2bSi(R3)4?(a+b) (1).Type: ApplicationFiled: December 16, 2009Publication date: November 24, 2011Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Wataru Shibayama, Makoto Nakajima, Yuta Kanno
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Patent number: 8052891Abstract: Disclosed are a novel fluorene derivative, a liquid crystal composition comprising the same, and an optical film using the same liquid crystal composition. More particularly, there are provided a liquid crystal material for a viewing angle compensation film with high quality characteristics, which can improve a contrast ratio measured at an oblique angle to the front and minimize variations in color with viewing angles in a black state, a liquid crystal composition comprising the same liquid crystal material, and a compensation film obtained from the same liquid crystal composition.Type: GrantFiled: January 22, 2008Date of Patent: November 8, 2011Assignee: LG Chem, Ltd.Inventors: Jae-Ho Cheong, Min-Jin Ko, Myung-Sun Moon, Bum-Gyu Choi, Dae-Ho Kang, Ki-Youl Lee, Yun-Bong Kim
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Publication number: 20110232178Abstract: Compounds and methods that release 1-methylcyclopropene, 1-trifluoromethylcyclopropene, and other substituted cyclopropenes are disclosed. The compounds and methods overcome present limitations for storage, transportation, and application of the cyclopropene containing compounds by using light, including sunlight, and/or heat as the primary release trigger. Additional products released include innocuous gases and value added aryl-group compounds.Type: ApplicationFiled: March 23, 2011Publication date: September 29, 2011Inventors: John Perrin Davis, Cheryl D. Stevenson
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Publication number: 20110217783Abstract: Cleavable compositions that comprise a polar head, cleavable linker, and a hydrophobic tail; and methods for using them to isolate hydrophobic molecules.Type: ApplicationFiled: November 15, 2010Publication date: September 8, 2011Inventors: Richard M. Caprioli, Ned A. Porter, Jeremy L. Norris
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Patent number: 7977404Abstract: A dental composite containing a nanoparticulate filler has a resin matrix with structural element (Ib) R is an open-chain and/or cyclic alkylene, arylene, or alkylene arylene with 1-10 C, optionally modified by oxygen, sulfur, carboxyl or amino, R1 is an open-chain and/or cyclic alkylene, arylene, or alkylene arylene with 1-10 C, optionally modified by oxygen, sulfur, carboxyl or amino; R? is an open-chain and/or cyclic alkyl, alkenyl, aryl, alkyl aryl, or aryl alkyl with 1-20 C; B and B? are identical or different and are a straight-chain or branched organically polymerizable group with (meth)acrylate residue; R3 are identical or different and a bond to another Si or hydrogen, alkyl with 1-10 C, or a bond to another metal atom; a is 1 or 2 and b is 0 or 1.Type: GrantFiled: April 19, 2006Date of Patent: July 12, 2011Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Herbert Wolter, Carsten Gellermann, Werner Storch
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Publication number: 20110144277Abstract: The invention relates to the use of a silicon-containing precursor compound of an organic acid, particularly an olefinic silicon-containing precursor compound of an organic acid and/or of a tetracarboxyl silane, for the production of unfilled and/or filled polymer compounds, polymers, or filled plastics, such as granules or finished products, made from thermoplastic base polymers and/or monomers and/or prepolymers of the thermoplastic base polymers. A finished product is an item, such as a molded body, particularly a cable, hose, or pipe. The invention further relates to a master batch comprising the silicon-containing precursor compound.Type: ApplicationFiled: July 9, 2009Publication date: June 16, 2011Inventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski
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Patent number: 7932414Abstract: The invention relates to silane of formula (Ia), wherein the radicals and indices have the following meaning: R is an alkylene, arylene or alkylenearylene group that can be interrupted by one or more oxygen or sulfur atoms or carboxyl or amino groups or can carry said atoms/groups on their ends opposite the silicon atom; R1 is a Z?-substituted alkylene, arylene or alkylenearylene group, which can be interrupted by one or more oxygen or sulfur atoms or carboxyl or amino groups or can carry said atoms/groups on one of their ends; R? is an alkyl, alkenyl, aryl, alkylaryl or arylalkyl group; B and B? can be identical or different, both radicals can have the meaning of a straight-chained or branched organic group with at least one C?C double bond and at least 2 carbon atoms; B? can mean instead thereof but also —R2aSi(OR3)4-a or —R2aR?bSi(OR3)4-a-b, wherein R2 is an alkylene group and R? has the meaning defined above; X represents a group that can enter into a hydrolytic while forming Si—O—Si bridges; Z? means —NHType: GrantFiled: October 25, 2004Date of Patent: April 26, 2011Assignee: Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung E.V.Inventor: Herbert Wolter
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Publication number: 20110082250Abstract: The invention relates to silane of formula (Ia), wherein the radicals and indices have the following meaning: R is an alkylene, arylene or alkylenearylene group that can be interrupted by one or more oxygen or sulfur atoms or carboxyl or amino groups or can carry said atoms/groups on their ends opposite the silicon atom; R1 is a Z?-substituted alkylene, arylene or alkylenearylene group, which can be interrupted by one or more oxygen or sulfur atoms or carboxyl or amino groups or can carry said atoms/groups on one of their ends; R? is an alkyl, alkanyl, aryl, alkylaryl or arylalkyl group; B and B? can be identical or different, both radicals can have the meaning of a straight-chained or branched organic group with at least one C?C double bond and at least 2 carbon atoms; B? can mean instead thereof but also —R2aSi(OR3)4-a or —R2aR?bSi(OR3)4-a-b, wherein R2 is an alkylene group and R? has the meaning defined above; X represents a group that can enter into a hydrolytic while forming Si—O—Si bridges; Z? means —NHType: ApplicationFiled: October 1, 2010Publication date: April 7, 2011Applicant: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.Inventor: Herbert Wolter
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Publication number: 20110008852Abstract: Described is a method for the preparation of renin inhibitors such as aliskiren, and intermediates useful therein. The method introduces a nitrogen-containing intermediate such as a lactone of formula (8). with R4 being a branched C3—6 alkyl. In the preparation of the lactone, or related intermediates, a desired stereochemical configuration can be controlled by starting from a chiral aldehyde satisfying formula (10).Type: ApplicationFiled: December 19, 2008Publication date: January 13, 2011Inventors: Ben De Lange, Anna Maria Cornelia Francisca Castelijns, Johannes Gerardus De Vries, Andreas Hendrikus Maria De Vries, Jeroen Antonius Boogers, Quirinus Bernardus Broxterman
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Patent number: 7855301Abstract: The invention relates to silane of formula (Ia), wherein the radicals and indices have the following meaning: R is an alkylene, arylene or alkylenearylene group that can be interrupted by one or more oxygen or sulfur atoms or carboxyl or amino groups or can carry said atoms/groups on their ends opposite the silicon atom; R1 is a Z?-substituted alkylene, arylene or alkylenearylene group, which can be interrupted by one or more oxygen or sulfur atoms or carboxyl or amino groups or can carry said atoms/groups on one of their ends; R? is an alkyl, alkenyl, aryl, alkylaryl or arylalkyl group; B and B? can be identical or different, both radicals can have the meaning of a straight-chained or branched organic group with at least one C?C double bond and at least 2 carbon atoms; B? can mean instead thereof but also —R2aSi(OR3)4-a or —R2aR?bSi(OR3)4-a-b, wherein R2 is an alkylene group and R? has the meaning defined above; X represents a group that can enter into a hydrolytic while forming Si—O—Si bridges; Z? means —NHType: GrantFiled: October 25, 2004Date of Patent: December 21, 2010Assignee: Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung E.V.Inventor: Herbert Wolter
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Publication number: 20100267911Abstract: Disclosed are procatalyst compositions having an internal electron donor which includes a silyl glutarate and optionally an electron donor component. Ziegler-Natta catalyst compositions containing the present procatalyst compositions exhibit strong activity and produce propylene-based olefins with high isotacticity.Type: ApplicationFiled: April 14, 2010Publication date: October 21, 2010Applicant: DOW GLOBAL TECHNOLOGIES INC.Inventors: Kelly Gonzalez, Tao Tao, Tak W. Leung
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Patent number: 7803958Abstract: A crosslinker (i.e., a curing agent) for polymerizing a film-forming material. The crosslinker is an organic compound including at least two functional groups reactive with a film-forming material and at least one pendent group comprising a —Si(OR)3 group, wherein each R is independently an alkyl group including from 1 to about 12 carbon atoms or an aryl group including substituted and unsubstituted phenyl and benzyl groups. Functional groups reactive with a film-forming materials include isocyanate, blocked isocyanate, uretdione, epoxide, hydroxyl, carboxyl, ester, ether, carbamate, aminoalkanol, aminoalkylether, amide, or amine groups. Embodiments include derivatives of the various crosslinkers as disclosed elsewhere herein, where the crosslinker has at least two functional groups reactive with a film-forming material and at least one pendent group comprising a —Si(OR)3 group.Type: GrantFiled: March 13, 2007Date of Patent: September 28, 2010Assignee: BASF Coatings GmbHInventors: Sergio Gonzalez, Timothy S. December
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Patent number: 7795462Abstract: An aromatic silicon-containing compound has the formula: Ar—[X-L-SiRn(OR?)3-n]m where Ar represents an aromatic group, X represents a divalent or trivalent group; L represents a divalent linking group; R represents a hydrogen atom, an alkyl group or an aryl group; R? represents an alkyl group having 1 to 5 carbon atoms; n is an integer of from 0 to 2; and m is an integer of from 1 to 5. The aromatic silicon-containing compound can be used in electrophotographic photoreceptors, particularly in outmost protective layers of such electrophotographic photoreceptors.Type: GrantFiled: January 13, 2005Date of Patent: September 14, 2010Assignee: Xerox CorporationInventors: Yu Qi, Nan-Xing Hu, John F. Graham, Timothy P. Bender, Ah-Mee Hor, Yvan Gagnon, Cheng-Kuo Hsiao
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Publication number: 20100152472Abstract: A process for preparing silylated monocarboxylic acids by reacting C2-C10-monocarboxylic acids with halosilanes of the general formula (I) SiHal4-xRx??(I) in which Hal is a halogen atom selected from the group of fluorine, chlorine, bromine and iodine, R is independently hydrogen, Cl-C10-alkyl or aryl and x is an integer of 0 to 3 to form hydrogen halide in the presence of an auxiliary base, wherein the auxiliary base and the hydrogen halide form a salt which forms two immiscible phases with the product of value or the solution of the product of value in a suitable solvent and is removed.Type: ApplicationFiled: December 14, 2009Publication date: June 17, 2010Applicant: BASF SEInventors: Florian THOMAS, Jochen Petzoldt, Martin Gärtner
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Publication number: 20100105816Abstract: Disclosed is a silicon containing compound represented by Formula 1 which has high optical anisotropy and high compatibility with a polymer resin. Also, a resin composition including the compound and a polymer resin, and an optical member including the resin composition are disclosed. Since the silicon containing compound represented by Formula 1 has high compatibility with a polymer resin and high optical anisotropy, in the case of an optical member obtained by using a polymer resin composition including the silicon containing compound, there is no phase separation, and it is possible to achieve a required optical characteristic with only a small amount thereof.Type: ApplicationFiled: June 4, 2008Publication date: April 29, 2010Inventors: Jaeho Cheong, Minjin Ko, Bumgyu Choi, Kiyoul Lee, YunBong Kim, Myungsun Moon, Daeho Kang
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Publication number: 20100084608Abstract: Disclosed is a discotic liquid crystal compound, a liquid crystal composition comprising the same, and an optical film using the same liquid crystal composition. More particularly, there is provided a liquid crystal material of a viewing angle compensation film with high quality characteristics, which can improve a contrast ratio and minimize variations in color with viewing angles in a black state, a liquid crystal composition comprising the same liquid crystal material, and a compensation film obtained from the same liquid crystal composition.Type: ApplicationFiled: January 22, 2008Publication date: April 8, 2010Inventors: Jae-Ho Cheong, Min-Jin Ko, Myung-Sun Moon, Bum-Gyu Choi, Dae-Ho Kang, Ki-Youl Lee, Yun-Bong Kim
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Publication number: 20100063310Abstract: A process for preparing a functionalized carbo-silicon compound comprising contacting, in the presence of a hydrosilation catalyst and under hydrosilation promoting conditions: a hydrolyzable silicon reactant having at least one Si—H functional group, and a functionalized olefin reactant containing at least one terminal olefin functional group and a tertiary carbon atom to which is bonded a second functional methyl group or functional carbon group characterized by having substantial potential to impede a hydrosilation reaction when otherwise not attached to the tertiary carbon atom.Type: ApplicationFiled: July 1, 2005Publication date: March 11, 2010Inventors: Jeffrey A. Knepper, Jacques Geenen, Edward Asirvatham, Suzanne Wassman-Wilken