Polyoxy Patents (Class 568/643)
-
Patent number: 7947423Abstract: A photosensitive compound whose size is smaller than conventional polymer for photoresist, and which has well-defined (uniform) structure, and a photoresist composition including the same are disclosed. The photosensitive compound represented by the following formula 1. Also, the photoresist composition comprises 1 to 85 wt % (weight %) of the photosensitive compound; 0.05 to 15 weight parts of a photo-acid generator with respect to 100 weight parts of the photosensitive compound; and 200 to 5000 weight parts of an organic solvent. In the formula 1, x is 1, 2, 3, 4 or 5, y is 2, 3, 4, 5 or 6, and R and R? are independently a chain type or a ring type of aliphatic or aromatic hydrocarbon group of 1 to 30 carbon atoms.Type: GrantFiled: September 11, 2008Date of Patent: May 24, 2011Assignee: Dongjin Semichem Co., Ltd.Inventors: Jae-Woo Lee, Min-Ja Yoo, Jun-Gyeong Lee, Young-Bae Lim, Jae-Hyun Kim
-
Publication number: 20110101271Abstract: The present invention relates to chemical compounds containing five or more benzene rings arranged in a linear manner and two bridging units between these rings, where at least one of these units represents a —CF2O— bridge. The invention additionally relates to liquid-crystalline media and to high-frequency components comprising these media, in particular antennae, especially for the gigahertz range.Type: ApplicationFiled: November 3, 2010Publication date: May 5, 2011Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Lars Lietzau, Werner Binder, Atsutaka Manabe, Helmut Haensel
-
Publication number: 20110098427Abstract: Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands are provided. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly ?-olefins, or other unsaturated monomers. Systems and processes to oligomerize and/or polymerize one or more unsaturated monomers using the catalyst compound, as well as the oligomers and/or polymers produced therefrom are also provided.Type: ApplicationFiled: October 20, 2010Publication date: April 28, 2011Inventors: Garth R. Giesbrecht, Timothy M. Boller, Alexander Z. Voskoboynikov, Andrey F. Asachenko, Mikhail V. Nikulin, Alexey A. Tsarev
-
Publication number: 20110090450Abstract: The invention provides a liquid crystal compound which has stability to heat, light and so forth, a nematic phase in a wide temperature range, a small viscosity, a large optical anisotropy, and a suitable elastic constant K33, and further has a suitable and negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds. Moreover, the invention provides a liquid crystal composition comprising this liquid crystal compound and a liquid crystal display device containing this liquid crystal composition. A liquid crystal compound represented by formula (a): for example, R1 and R2 are alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons or alkoxy having 1 to 9 carbons; ring A1 and ring A2 are 1,4-phenylene or trans-1,4-cyclohexylene; L1 and L2 are hydrogen or fluorine, and at least one of L1 and L2 is fluorine; and Z1 and Z2 are a single bond, —(CH2)2—, —CH?CH—, —CH2O— or —OCH2—.Type: ApplicationFiled: June 2, 2009Publication date: April 21, 2011Inventor: Masahide Kobayashi
-
Publication number: 20110064892Abstract: This invention relates to polycyclic organic compounds of general structural formula (I): wherein Y is a predominantly planar polycyclic system being at least partially aromatic, W1, W2, and W3 are different groups providing solubility in an organic solvent, and sum (n1+n2+n3) is 1, 2, 3, 4, 5, 6, 7 or 8. The polycyclic organic compounds are substantially transparent for electromagnetic radiation in the visible spectral range and are capable of forming supramolecules in the organic solvent.Type: ApplicationFiled: March 4, 2009Publication date: March 17, 2011Inventors: Alexey Nokel, Pavel I. Lazarev
-
Publication number: 20110034738Abstract: In a process for the preparation of ring compounds via a combinatorial synthesis, the reaction procedure is based on a Suzuki coupling, subsequent halo-demetallation and finally a further Suzuki coupling. The Suzuki couplings are each carried out with a boronic acid or a boronic acid ester. The reaction procedure uses provides novel ring compounds and uses novel synthesis units used for this purpose. The novel ring compounds are suitable for use as constituents in liquid-crystalline mixtures.Type: ApplicationFiled: October 19, 2010Publication date: February 10, 2011Inventors: Detlef PAULUTH, Peer Kirsch, Peter Baeuerle, Oliver Deeg
-
Patent number: 7851032Abstract: A liquid crystal composition is provided that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or is properly balanced regarding at least two characteristics. An AM device is provided that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition contains a specific compound having especially negatively large dielectric anisotropy as the first component, a specific bicyclic compound having a small viscosity as the second component, a specific compound having a high maximum temperature as the third component, a specific compound having a negatively large dielectric anisotropy, a low minimum temperature as the fourth component.Type: GrantFiled: May 7, 2009Date of Patent: December 14, 2010Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventors: Masayuki Saito, Teru Shimada
-
Publication number: 20100309402Abstract: The invention provides a liquid crystal compound having stability to heat, light and so forth, a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, and a suitable elastic constant K33, and further having a suitable and negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds, and a liquid crystal composition having stability to heat, light and so forth, a low viscosity, a large optical anisotropy, a suitable and negative dielectric anisotropy, and a suitable elastic constant K33, a low threshold voltage, a high maximum temperature (phase-transition temperature on a nematic phase-isotropic phase) of a nematic phase, and a low minimum temperature of the nematic phase. The liquid crystal compound which has a specific structure having fluorine at a lateral position and also having phenylene in which hydrogen on the benzene ring is replaced by fluorine, and a liquid crystal composition containing the compound are prepared.Type: ApplicationFiled: August 26, 2008Publication date: December 9, 2010Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventors: Masahide Kobayashi, Teru Shimada
-
Publication number: 20100296029Abstract: A liquid crystal compound and a liquid crystal medium are described. The liquid crystal compound is stable to heat and light and has a large dielectric anisotropy and a large optical anisotropy. The liquid crystal medium has a wide temperature range of liquid crystal phase, a large optical anisotropy and a large dielectric anisotropy, and exhibits an optically isotropic liquid crystal phase. The liquid crystal compound has 4 or 5 benzene rings, one of which is a chlorofluorobenzene ring. The liquid crystal medium is characterized in containing the liquid crystal compound and a chiral dopant and exhibiting an optically isotropic liquid crystal phase.Type: ApplicationFiled: May 18, 2010Publication date: November 25, 2010Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventor: Haseba Yasuhiro
-
Publication number: 20100256396Abstract: An aromatic compound of the following formula (1), (2), (5) or (6), wherein, Ar1 and Ar3 represent a tetra-valent aromatic hydrocarbon group or a tetra-valent heterocyclic group, and Ar2, Ar4, Ar5, Ar6 and Ar7 represent a tri-valent aromatic hydrocarbon group or a tri-valent heterocyclic group, A1 represents —Z1—, —Z2—Z3— or —Z4?Z5—, wherein Z1, Z2 and Z3 represent O, S or the like and Z4 and Z5 represent N, B, P or the like, X1, X2, X3, X4, X9, X10, X11, and X12 represent a halogen atom or the like.Type: ApplicationFiled: June 15, 2010Publication date: October 7, 2010Applicant: Sumitomo Chemical Company, LimitedInventors: Satoshi KOBAYASHI, Satoshi MIKAMI
-
Patent number: 7767277Abstract: Disclosed are compounds of formula I processes for the preparation thereof, and liquid-crystalline media and electro-optical displays containing said compounds.Type: GrantFiled: September 12, 2007Date of Patent: August 3, 2010Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Lars Lietzau, Markus Czanta, Harald Hirschmann, Michael Wittek
-
Publication number: 20100184978Abstract: A bipyridine compound represented by the formula (1): wherein R1, R2 and R3 each independently represent a C1-C10 alkyl group which may be substituted etc., and R4, R5, R6, R7 and R8 each independently represent a hydrogen atom etc., a transition metal complex obtained by contacting a bipyridine compound represented by the formula (1) with a compound of a transition metal belonging to Group 9, 10 or 11, and a method for production of a conjugated aromatic compound comprising reacting an aromatic compound (A) wherein one or two leaving groups are bonded to an aromatic ring with an aromatic compound (A) having the same structure as that of the above-mentioned aromatic compound (A) or an aromatic compound (B) being structurally different from the above-mentioned aromatic compound (A) and having one or two leaving groups bonded to an aromatic ring, in the presence of the transition metal complex.Type: ApplicationFiled: June 18, 2008Publication date: July 22, 2010Inventors: Taku Asaumi, Takashi Kamikawa
-
Publication number: 20100145105Abstract: Vitamin D derivatives, notably non-steroidal vitamin D derivatives, are prepared from novel disubstituted phenylboronic acid compounds having the formula (I): and also from the novel intermediates having the formulae (1), (2), (3) and (10):Type: ApplicationFiled: December 10, 2009Publication date: June 10, 2010Applicant: GALDERMA RESEARCH & DEVELOPMENTInventors: Eric Terranova, Jean-Claude Pascal
-
Publication number: 20100127251Abstract: Light emitting devices are described which incorporate, as the light emitting element, a dendrimer of which the constituent dendrons include a conjugated dendritic structure comprising aryl and/or heteroaryl groups connected to each other via bonds between sp2 hybridized ring atoms of said aryl or heteroaryl groups.Type: ApplicationFiled: November 25, 2009Publication date: May 27, 2010Applicants: ISIS INNOVATION LIMITED, THE UNIVERSITY COURT OF THE UNIVERSITY OF ST. ANDREWSInventors: Paul Leslie Burn, Ifor David Samuel, Shih-Chun Lo
-
Publication number: 20100041881Abstract: An optically active quaternary ammonium salt compound represented by formula (1), wherein R1 represents a halogen, a C1-8 alkyl which is optionally substituted and which is linear, branched, or cyclic, a C2-8 alkenyl which is optionally substituted, a C2-8 alkynyl which is optionally substituted, a C6-14 aryl which is optionally substituted, a C3-8 heteroaryl which is optionally substituted, a C1-8 alkoxy which is optionally substituted and which is linear, branched, or cyclic, or a C7-16 aralkyl which is optionally substituted; R2 and R21 each independently represents hydrogen, halogen, nitro, a C1-8 alkyl which is optionally substituted and which is linear, branched, or cyclic, a C2-8 alkenyl which is optionally substituted, a C2-8 alkynyl which is optionally substituted, a C6-14 aryl which is optionally substituted, a C1-8 alkoxy which is optionally substituted and which is linear, branched, or cyclic, or a C7-16 aralkyl which is optionally substituted; one of combinations of R1 and R21, and R2 and RType: ApplicationFiled: March 3, 2006Publication date: February 18, 2010Applicant: NIPPON SODA CO., LTD.Inventors: Keiji Maruoka, Yasushi Kubota
-
Publication number: 20090326238Abstract: Asymmetric light-emitting dendrimers having the formulae: (a) CORE-[DENDRITE1]n[DENDRITE2]m and (b) CORE-[DENDRITE]n are disclosed.Type: ApplicationFiled: May 26, 2009Publication date: December 31, 2009Applicants: ISIS INNOVATION LIMITED, THE UNIVERSITY COURT OF THE UNIVERSITY OF ST. ANDREWSInventors: Paul Leslie Burn, Ifor David Samuel, Shih-Chun Lo
-
Patent number: 7638657Abstract: 3-[5?-(3,4-bis(hydroxymethyl)benzyloxy)-2?-ethyl-2-propylbiphenyl-4-yl]pentan-3-ol is prepared from the novel intermediate, 6-ethyl-4?-(1-ethyl-1-hydroxypropyl)-2?-propylbiphenyl-3-ol.Type: GrantFiled: May 18, 2007Date of Patent: December 29, 2009Assignee: Galderma Research & DevelopmentInventors: Eric Terranova, Sebastien Daver, Christine Marty, Jean-Claude Pascal
-
Publication number: 20090302273Abstract: A liquid crystal compound represented by formula (1), a liquid crystal composition comprising the compound, and a liquid crystal display device comprising the composition: For example, R1 is alkyl having 1 to 20; ring A1, ring A2, ring A3, ring A4, ring A5, and ring A6 are 1,4-cyclohexylene or 1,4-phenylene; Z1, Z2, Z3, Z4, Z5, and Z6 is a single bond; X1 is hydrogen or halogen; l, m, n, o, p, and q are 0 or 1, and l+m+n+o+p+q is 3.Type: ApplicationFiled: June 4, 2009Publication date: December 10, 2009Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventor: HIROYUKI TANAKA
-
Publication number: 20090278089Abstract: A liquid crystal composition is provided that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or is properly balanced regarding at least two characteristics. An AM device is provided that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition contains a specific compound having especially negatively large dielectric anisotropy as the first component,a specific bicyclic compound having a small viscosity as the second component, a specific compound having a high maximum temperature as the third component, a specific compound having a negatively large dielectric anisotropy, a low minimum temperature as the fourth component.Type: ApplicationFiled: May 7, 2009Publication date: November 12, 2009Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventors: Masayuki SAITO, Teru SHIMADA
-
Publication number: 20090118505Abstract: Intermediates and synthetic processes for the preparation of substituted phenylalanine-based compounds (e.g.Type: ApplicationFiled: October 24, 2008Publication date: May 7, 2009
-
Publication number: 20080138635Abstract: There is provided a conjugated molecule that is useful as a conductive path in an electronic device. The conjugated molecule includes at least one p/n junction so as to provide a direction to electron flow and one end alligator clip group which allows for self-orientation of the molecule during assembly in a device, resulting in an asymmetric structure of the molecule. The conjugated molecule may be used in diodes, molecular switches, transistors, and in the manufacture of memory devices.Type: ApplicationFiled: March 2, 2005Publication date: June 12, 2008Inventors: Zhikuan Chen, Chun Huang, Jianshu Yang, Sean O'Shea, Kian Ping Loh
-
Patent number: 7220783Abstract: The present invention provides a selective suppressor of the IgE production comprising a compound which suppresses the IgE production in a process from a differentiation of a mature B cell into an antibody-producing cell to the production of an antibody and which does not suppress or weakly suppresses the production of IgG, IgM and/or IgA which are produced at the same time, a compound of the formula (I): wherein R1–R13 are hydrogen, halogen, lower alkyl, lower alkoxy or the like, X is —O—, —CH2—, —NR14— or —S(O)p- and Y is lower alkyl, lower alkenyl or the like, a process for producing the same and a pharmaceutical composition comprising the same.Type: GrantFiled: November 12, 2003Date of Patent: May 22, 2007Assignee: Shionogi & Co., Ltd.Inventors: Kenji Kawada, Mitsuaki Ohtani, Ryuji Suzuki, Akinori Arimura
-
Patent number: 7193019Abstract: A process for the production of a vinyl compound of the formula (1), which process comprises reacting a bifunctional phenylene ether oligomer of the formula (2) with a vinylbenzyl halide in an aprotic polar solvent in the presence of an alkali metal alkoxide and then adding the reaction solution to water or a water/alcohol mixed solution to precipitate a solidType: GrantFiled: October 14, 2004Date of Patent: March 20, 2007Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Yasumasa Norisue, Makoto Miyamoto, Daisuke Ohno, Kenji Ishii, Michio Nawata
-
Patent number: 7101915Abstract: The present invention provides a selective suppressor of the IgE production comprising a compound which suppresses the IgE production in a process from a differentiation of a mature B cell into an antibody-producing cell to the production of an antibody and which does not suppress or weakly suppresses the production of IgG, IgM and/or IgA which are produced at the same time, a compound of the formula (I): wherein R1–R13 are hydrogen, halogen, lower alkyl, lower alkoxy or the like, X is —O—, CH2—, —NR14— or —S(O)p— and Y is lower alkyl, lower alkenyl or the like, a process for producing the same and a pharmaceutical composition comprising the same.Type: GrantFiled: July 30, 1997Date of Patent: September 5, 2006Assignee: Shionogi & Co., Ltd.Inventors: Kenji Kawada, Mitsuaki Ohtani, Ryuji Suzuki, Akinori Arimura
-
Patent number: 7074836Abstract: The present invention provides a selective suppressor of the IgE production comprising a compound which suppresses the IgE production in a process from a differentiation of a mature B cell into an antibody-producing cell to the production of an antibody and which does not suppress or weakly suppresses the production of IgG, IgM and/or IgA which are produced at the same time, a compound of the formula (I): wherein R1–R13 are hydrogen, halogen, lower alkyl, lower alkoxy or the like, X is —O—, —CH2—, NR14— or —S(O)p— and Y is lower alkyl, lower alkenyl or the like, a process for producing the same and a pharmaceutical composition comprising the same.Type: GrantFiled: November 12, 2003Date of Patent: July 11, 2006Assignee: Shionogi & Co., Ltd.Inventors: Kenji Kawada, Mitsuaki Ohtani, Ryuji Suzuki, Akinori Arimura
-
Patent number: 6914109Abstract: The invention relates to a process for the preparation of 15-pentadecanolide by hydrogenating 15-pentadecenolide and to its use.Type: GrantFiled: March 18, 2002Date of Patent: July 5, 2005Assignee: Symrise GmbH & Co. KGInventors: Walter Kuhn, Oskar Koch, Hans-Ulrich Funk, Gerhard Senft
-
Patent number: 6864397Abstract: The present invention provides a process for producing a difluoromethyl ether derivative simple and efficient process for producing the difluoromethyl ether derivative represented by Formula (1d?) or a difluoromethyl ether derivative represented by Formula (1c?): wherein all the variables are defined in the specification.Type: GrantFiled: June 18, 2003Date of Patent: March 8, 2005Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventors: Tomoyuki Kondo, Kouki Sagou, Shuichi Matsui, Hiroyuki Takeuchi, Yasuhiro Kubo, Etsuo Nakagawa
-
Patent number: 6844462Abstract: The invention relates to the biphenyldiols of the formula (V) The corresponding racemic and enantiomerically pure triflate compounds thereof, where R1 and R2 are H, R3 is chlorine, and R4 is methoxy. In an alternate embodiment, R1 and R2 are hydrogen and R3 and R4 are C1-C4-alkoxy, fluorine, or chlorine.Type: GrantFiled: April 7, 2003Date of Patent: January 18, 2005Assignee: Bayer AktiengesellschaftInventors: Birgit Drieben-Hölscher, Joachim Kralik, Inga Ritzkopf, Christian Steffens, Guido Giffels, Claus Dreisbach, Thomas Prinz
-
Patent number: 6790868Abstract: Antimicrobial compounds, compositions containing the same, and methods of using of the same for reducing the presence of microorganisms on a substrate or in a fluid environment comprising an antimicrobial effective carrier and at least one antimicrobial compounds including non-halogenated phenoxy and/or benzyloxy substituted phenol compounds.Type: GrantFiled: December 20, 2001Date of Patent: September 14, 2004Assignee: Warner-Lambert CompanyInventors: David Scott Harper, Robert A. Coburn, Constantine Georgiades, Andre Soshinsky, Marianne D. Huntley
-
Patent number: 6762330Abstract: Phosphine oxide and sulfoxide compounds were used with transition metals, preferably palladium and nickel, to produce biaryls, arylthiols, arylphosphine oxides and arylamines via cross-coupling reactions with aryl halides and arylboronic acids, aryl Grignard reagents, thiols, phosphine oxides or amines.Type: GrantFiled: July 6, 2001Date of Patent: July 13, 2004Assignee: E. I. du Pont de Nemours and CompanyInventor: George Y. Li
-
Patent number: 6541673Abstract: Phenolic polyether polyols are prepared by a two stage oxyalkylation process, a first stage performed at a high oxyalkylation temperature and a second stage at a lower oxyalkylation temperature. Despite the use of high temperature during oxyalkylation, polydispersity is substantially unaffected, while process time is drastically reduced.Type: GrantFiled: November 30, 2001Date of Patent: April 1, 2003Assignee: ARCO Chemical Technology, L.P.Inventors: Carmen L. Rodriguez, Jude T. Ruszkay
-
Patent number: 6376524Abstract: Triphenyl compounds of the formulae I, II, and VI: methods of making them, pharmaceutical compositions containing them, and methods for their use. The compounds are compounds are interleukin-4 antagonists; and are useful for the treatment of asthma and allergies.Type: GrantFiled: June 21, 2000Date of Patent: April 23, 2002Assignee: Sunesis Pharmaceuticals, Inc.Inventors: Kenneth J. Barr, Brian C. Cunningham, William Michael Flanagan, Wanli Lu, Brian C. Raimundo, Nathan D. Waal, Jennifer Wilkinson, Jiang Zhu, Wenjin Yang
-
Patent number: 6333437Abstract: A method for purifying a bromine compound by depositing the bromine compound represented by the following general formula (1) as solid particles from a crude solution containing the bromine compound: wherein (i) the crude solution is supplied into the slurry containing the particles of the bromine compound; (ii) the concentration of the particles of the bromine compound in the slurry is maintained at a predetermined range; (iii) the solvent contained in the slurry is a mixed solvent of a good solvent and a poor solvent and the ratio of the good solvent to the poor solvent is maintained at a predetermined value; and (iv) the solid particles of the bromine compound are separated from the slurry.Type: GrantFiled: September 7, 2000Date of Patent: December 25, 2001Assignee: Teijin Chemicals LTDInventors: Yutaka Taketani, Haruhisa Hoshimi, Akihiro Mukai, Yasuhisa Tahira, Takahiro Sato
-
Patent number: 6291722Abstract: Phosphine oxide compounds were used with transition metals, preferably palladium and nickel, to produce biaryls and arylamines via cross-coupling reactions with aryl halides and arylboronic acids, aryl Grignard reagents or amines.Type: GrantFiled: June 26, 2000Date of Patent: September 18, 2001Assignee: E. I. du Pont de Nemours and CompanyInventor: George Yanwu Li
-
Patent number: 6278028Abstract: An electroclinic device having two spaced cell walls each bearing electrode structures and treated on at least one facing surface with an alignment layer, a layer of a smectic liquid crystal material enclosed between the cell walls, where the liquid crystal material contains one or more of the compounds described by formula I as defined in the specification.Type: GrantFiled: March 7, 2000Date of Patent: August 21, 2001Assignee: The Secretary of State for in Defence in Her Brittanic Majesty's Government of the United Kingdom of Great Britain and Northern IrelandInventors: Andrew John Slaney, Damien Gerard McDonnell, Amarjit Kaur Samra, Maurice Stanley, Victoria Minter, John William Goodby, Michael Hird, Simon John Cross, Chu Chuan Dong
-
Patent number: 6235870Abstract: Process for the preparation of compounds of the formula wherein Hal represents chlorine, bromine or iodine and preferably chlorine, wherein Ra represents hydrogen or a residue comprising one or more additional groups of the formula, from compounds wherein R2 represents hydrogen or a residue comprising one or more additional groups of the formula by reaction with gaseous hydrogen halide in the presence of a catalytic amount of an organic acid; process for the preparation of epoxy compounds starting from the reaction to produce a compound of formula (III) which is converted to a compound of formula (A) that is dehydrohalogenated to form the epoxy rings of a diepoxy compound.Type: GrantFiled: September 29, 1999Date of Patent: May 22, 2001Assignee: Shell Oil CompanyInventors: Jozef Jacobus Titus Smits, Judith Johanna Berendina Walhof
-
Patent number: 6207835Abstract: Arylmetal compounds are prepared by deprotonation of aromatics which have a hydrogen atom in the ortho position relative to a halogen atom or a trifluoromethoxy group, using a suitable base or by halogen-metal exchange of haloaromatics using a suitable metalating reagent. The arylmetal compounds are prepared in a continuous-flow reactor. The arylmetal compound can be further reacted with an electrophilic reagent.Type: GrantFiled: December 17, 1999Date of Patent: March 27, 2001Assignee: Merck KGaAInventors: Volker Reiffenrath, Hans Christian Stiasny
-
Patent number: 6194606Abstract: The present invention provides compounds having the formula: in which R is hydrogen or C1-C4alkyl, preferably hydrogen and Y is hydrogen, C1-C4alkyl, C1-C4alkoxy, CF3, halogen (F, Cl, Br or I) or SO3M in which M is H, Na, K, Ca, Mg, ammonium, mono-, di-, tri- or tetra-C1-C4alkylammonium, mono-, di- or tri-hydroxyalkylammonium or ammonium that is di- or tri-substituted with a mixture of C1-C4alkyl and C1-C4hydroxyalkyl groups; a process for their production; and their use as intermediates in the production of asymmetric or symmetric fluorescent whitening agents.Type: GrantFiled: September 22, 1998Date of Patent: February 27, 2001Assignee: Ciba Specialty Chemicals CorporationInventors: Bernd Siebenhaar, Bruno Casagrande, Victor Eliu
-
Patent number: 6124462Abstract: Phosphine oxide compounds were used with transition metals, preferably palladium, to produce biaryls and arylamines via cross-coupling reactions with aryl halides and arylboronic acids or amines.Type: GrantFiled: November 30, 1999Date of Patent: September 26, 2000Assignee: E. I. du Pont de Nemours and CompanyInventor: George Y. Li
-
Patent number: 6087540Abstract: The present invention provides a compound of the formula (I): ##STR1## wherein R.sup.1 is hydrogen or hydroxy and R.sup.2 is hydroxy or methoxy, pharmaceutically acceptable salts or hydrates thereof, a process for producing the same, a pharmaceutical composition which comprises the same and a microorganism which belongs to Aspergillus candidus and produces the compound.Type: GrantFiled: September 3, 1998Date of Patent: July 11, 2000Assignee: Shionogi & Co., Ltd.Inventors: Toshiyuki Kamigauchi, Ryuji Suzuki
-
Patent number: 6005063Abstract: Process for the preparation of compound of the formula: ##STR1## wherein R.sub.c represents a residue comprising one or more additional groups of the formula: ##STR2## by heating a compound of the formula (A) ##STR3## at a temperature in the range of from 120 to 220.degree. C. in the presence of hydrogen halide addition salt of tertiary amine;process for the preparation of epoxy compounds starting from the reaction of a polyphenol compound and glycidol; andepoxy resins obtained by this process showing a significantly lower content of intermingled clorine and being substantially free of usual build-up products.Type: GrantFiled: February 6, 1998Date of Patent: December 21, 1999Assignee: Shell Oil CompanyInventors: Johannes Adrianus Van Doorn, Jozef Jacobus Titus Smits, Eric Johannes Vos
-
Patent number: 6001954Abstract: Process for the preparation of compounds of the formula ##STR1## wherein Hal represents chlorine, bromine or iodine and preferably chlorine, wherein R.sub.a represents hydrogen or a residue comprising one or more additional groups of the formula, ##STR2## from compounds ##STR3## wherein R.sub.2 represents hydrogen or a residue comprising one or more additional groups of the formula ##STR4## by reaction with gaseous hydrogen halide in the presence of a catalytic amount of an organic acid. Epoxy resins are prepared via the reaction of a compound of formula (A) in the presence of a basic compound.Type: GrantFiled: February 6, 1998Date of Patent: December 14, 1999Assignee: Shell Oil CompanyInventors: Jozef Jacobus Titus Smits, Judith Johanna Berendina Walhof
-
Patent number: 5902909Abstract: The present invention provides compounds having the formula: ##STR1## in which R is hydrogen or C.sub.1 -C.sub.4 alkyl, preferably hydrogen and Y is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, CF.sub.3, halogen (F, Cl, Br or I) or SO.sub.3 M in which M is H, Na, K, Ca, Mg, ammonium, mono-, di-, tri- or tetra-C.sub.1 -C.sub.4 alkylammonium, mono-, di- or tri-hydroxyalkylammonium or ammonium that is di- or tri-substituted with a mixture of C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 hydroxyalkyl groups; a process for their production; and their use as intermediates in the production of asymmetric or symmetric fluorescent whitening agents.Type: GrantFiled: December 19, 1997Date of Patent: May 11, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Bernd Siebenhaar, Bruno Casagrande, Victor Eliu
-
Patent number: 5599952Abstract: Methods of producing carboxylic acid ester derivatives of formulae (I) and (II), which are useful, for instance, as intermediates for producing an anti-hypercholesterolemic agent having an inhibitory effect on HMG-CoA Reductase: ##STR1## wherein R.sup.1 and R.sup.2 are independently a protective group for hydroxyl group, or R.sup.1 and R.sup.2 integrally constitute a protective group for hydroxyl groups; R.sup.3 is an alkyl group, or an aryl group; and R.sup.4 is a substituted aryl group, a substituted heterocyclic group, a substituted vinyl group, or a substituted cycloalkenyl group; and ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are respectively the same as defined in the above formula (I), are disclosed. In addition, intermediates for use in these methods of producing the carboxylic acid ester derivatives are disclosed.Type: GrantFiled: May 18, 1995Date of Patent: February 4, 1997Assignee: Fujirebio Inc.Inventors: Masakatsu Matsumoto, Nobuko Watanabe, Eiko Mori, Hisako Kobayashi, Hiroshi Ikawa
-
Patent number: 5534188Abstract: An acetylene derivative represented by general formula (I): ##STR1## wherein R.sup.1 is saturated or unsaturated alkyl group having 3-20 carbon atoms, R.sup.2 is saturated or unsaturated alkyl group having 1-20 carbon atoms which may optionally be substituted by halogen atom or alkoxyalkyl group having 2-20 carbon atoms, A and B represent phenylene group or the like or taken as --A--B-- represent naphthalene group or the like, m and s are each 0 or 1, n is integer of 1-6, and * means asymmetric carbon atom; a process for producing said acetylene derivative, a liquid crystal composition using the same as active ingredient, and a liquid crystal element using said composition.Type: GrantFiled: June 24, 1994Date of Patent: July 9, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Masayoshi Minai, Takayuki Higashii, Shoji Toda, Naoyuki Takano, Kayoko Ueda, Koichi Fujisawa
-
Patent number: 5362822Abstract: An adduct is prepared by reacting (A) a compound containing at least one epoxy group per molecule, with (B) a compound containing at least one epoxide reactive group per molecule selected from the group consisting of phenolic, thiol, secondary amine and carboxyl; wherein (i) when compound (A) is a polyepoxide, compound (B) contains a single epoxide reactive group per molecule; (ii) when compound (A) is a monoepoxide it is a monoglycidyl ether and compound (B) contains at least two epoxide reactive groups per molecule; and (iii) at least one of components (A) and (B) contains a rodlike mesogenic moiety. These adducts are useful in the preparation of polyurethanes.Type: GrantFiled: January 3, 1994Date of Patent: November 8, 1994Assignee: The Dow Chemical CompanyInventor: Robert E. Hefner, Jr.
-
Patent number: 5340498Abstract: A novel anti-ferroelectric liquid crystal of the formula (I), ##STR1## wherein: is an integer of 3 to 8,each of X and Y is independently a hydrogen atom or a fluorine atom,Z is --CF.sub.3, --CH.sub.3 or --C.sub.2 H.sub.5,q is 0 or 5,m is 0 or 1,n is an integer of 2 to 8, andC* is an asymmetric carbon, provided that when m is 0, q is 0 and n is an integer of 4 to 8 and that when m is 1, q is 5 and z is --CF.sub.3,and use of tile above liquid crystal as a liquid crystal display device.Type: GrantFiled: August 19, 1993Date of Patent: August 23, 1994Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Yoshihisa Arai, tomoyuki Yui, Yoshihiro Gocho
-
Patent number: 5312975Abstract: A process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid comprising the reaction of an organometallic derivative with a suitable substituted benzene in the presence of a transition-metal based catalyst is described.Type: GrantFiled: December 27, 1991Date of Patent: May 17, 1994Assignee: Zambon Group S.p.A.Inventors: Claudio Giordano, Laura Coppi, Francesco Minisci
-
Patent number: RE34726Abstract: The subject application discloses a chiral nonracemic composition of the general formula:R.sub.1 --Ar--O--CH.sub.2 --C*HX--C*HY--CH.sub.2 --O--R.sub.2wherein R.sub.1 is an achiral tail of two to sixteen carbons; Ar is an achiral FLC core of at least two rings; * denotes a chiral carbon; X and Y are halogens; and R.sub.2 is one to ten carbon atoms. The --O--CH.sub.2 --C*HX--C*HY--CH.sub.2 --O-- segment comprises the chiral proximal segment of the chiral tail; the proximal segment is selected from the enantiomers 2R,3R-dihalo and 2S,3S-dihalo. R.sub.2 is the distal segment of the chiral tail.Type: GrantFiled: April 29, 1993Date of Patent: September 13, 1994Assignee: Displaytech, Inc.Inventors: Michael Wand, William N. Thurmes, David Walba
-
Patent number: RE36849Abstract: Anisotropic compounds of the formula (1) specified in claim 1 are suitable, owing to their low .DELTA..epsilon./.epsilon..perp. values for liquid crystal displays which have high information densities of for examples up to 10.sup.6 image dots and accordingly need to be highly multiplexible; compared with known compounds they offer improved application properties and are relatively simple to synthesize.Type: GrantFiled: April 1, 1993Date of Patent: September 5, 2000Assignee: Merck Patent GmbHInventors: Hans P. Schad, Stephen M. Kelly, Eike Poetsch, Reinhard Hittich, Georg Weber