Boron Or Silicon Containing Patents (Class 534/726)
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Publication number: 20140171566Abstract: An alkoxysilyl group-containing azo compound represented by the following formula (I), a method for easily obtaining the alkoxysilyl group-containing azo compound, and a rubber composition having improved heat build-up characteristic and the like obtained using the azo compound are provided. The alkoxysilyl group-containing azo compound is preferably obtained by reacting a compound represented by the following formula (2) and a compound represented by the following formula (3); wherein R1 and R2 represent an alkyl group having from 1 to 3 carbon atoms, R3 and R8 represent an alkylene group having from 1 to 3 carbon atoms, R4, R5, R6 and R7 represent hydrogen or an alkyl group having from 1 to 3 carbon atoms, n is an integer of from 1 to 3, and m is an integer of from 1 to 5.Type: ApplicationFiled: November 4, 2013Publication date: June 19, 2014Applicant: TOYO TIRE & RUBBER CO., LTD.Inventor: Yasuhiro Hishikawa
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Patent number: 8741994Abstract: An alkoxysilyl group-containing azo compound represented by the following formula (1), a method for easily obtaining the alkoxysilyl group-containing azo compound, and a rubber composition having improved heat build-up characteristic and the like obtained using the azo compound are provided. The alkoxysilyl group-containing azo compound is preferably obtained by reacting a compound represented by the following formula (2) and a compound represented by the following formula (3): HS—(CH2)m—Si(OR1)n(R2)3-n??(3) wherein R1 and R2 represent an alkyl group having from 1 to 3 carbon atoms, R3 and R8 represent an alkylene group having from 1 to 3 carbon atoms, R4, R5, R6 and R7 represent hydrogen or an alkyl group having from 1 to 3 carbon atoms, n is an integer of from 1 to 3, and m is an integer of from 1 to 5.Type: GrantFiled: November 4, 2013Date of Patent: June 3, 2014Assignee: Toyo Tire & Rubber Co., Ltd.Inventor: Yasuhiro Hishikawa
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Patent number: 8702815Abstract: The present invention relates to dyes of the general formula CAT+ Y? (I), where Y? is an anion selected from the group of the cyanoborates, fluoroalkylphosphates, fluoroalkylborates or imidates and CAT+ is a cation selected from the group of the azine, xanthene, polymethine, styryl, azo, tetrazolium, pyrylium, benzopyrylium, thiopyrylium, benzothiopyrylium, thiazine, oxazine, triarylmethane, diarylmethane, methine, acridine, quinoline, isoquinoline or quaternary azafluorenone dyes, for coloring plastics and plastic fibers, for the preparation of flexographic printing inks, as ball-point pen pastes, as stamp ink, for coloring leather and paper, for use in data acquisition systems, reprography, in ink microfilters, in photogalvanics, laser technology and the photo industry.Type: GrantFiled: April 11, 2011Date of Patent: April 22, 2014Assignee: Merck Patent GmbHInventors: Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, Helge Willner, Maik Finze, Eduard Bernhardt, Andriy Kucheryna
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Publication number: 20130341572Abstract: Disclosed is a novel compound represented by formula (1) below. In the formula, A represents an optionally substituted aromatic hydrocarbon ring or aromatic heterocyclic group, B represents a group including a chain of one to four pieces of one or more groups selected from groups represented by specific formulae (B-1) to (B-13) (such as —C?C— or —N?N—, specifically see the description), R1 to R3 each represent an optionally substituted hydrocarbon or hydrocarbonoxy group, at least one of R1 to R3 represents an optionally substituted hydrocarbonoxy group, R4 and R5 each represent an optionally substituted hydrocarbon group, R4 and R5 may be linked together to form a ring, and R4 and R5 may be each independently linked with A to form a ring.Type: ApplicationFiled: March 7, 2012Publication date: December 26, 2013Inventors: Minoru Hanaya, Kenji Kakiage, Masafumi Unno, Yohei Aoyama, Toru Yano, Daisuke Sawamoto, Hiroyuki Osada
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Publication number: 20130337536Abstract: The present disclosure is directed to a reactive ester agent capable of conjugating a reporter molecule to a carrier molecule or solid support. The reactive ester agent has the general formula: wherein the variables are described throughout the application.Type: ApplicationFiled: August 21, 2013Publication date: December 19, 2013Applicant: LIFE TECHNOLOGIES CORPORATIONInventors: Evan Antoulinakis, Kyle Gee, Aleksey Rukavishnikov
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Publication number: 20130252024Abstract: Disclosed are a compound that emits fluorescence, particularly in its solid state, and is suited to provide a color converting material with various improved performance properties over prior art and a light emitter, a color conversion filter, a color conversion device, and a photoelectric device each containing the compound; particularly a Schiff base type compound of formula (I) and a coloring material, a color conversion layer, a light absorbing layer, a color conversion filter, a light absorbing filter, a color-converting light-emitting device, and a photoelectric device each containing the compound. The definition of the symbols in formula (I) is the same as in the specification.Type: ApplicationFiled: May 9, 2013Publication date: September 26, 2013Applicant: ADEKA CORPORATIONInventors: Mitsuhiro OKADA, Koichi SHIGENO
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Publication number: 20130123475Abstract: Bis-diazo, triaryl and aryldiazo-N-arylphenazonium quencher moieties, substituted with electron-withdrawing and electron-donating substituents which induce polarity in the delocalized aryl/diazo ring systems, are useful as labels when attached to biomolecules such as polynucleotides, nucleosides, nucleotides and polypeptides. The quencher moieties are non-fluorescent and accept energy transfer from fluorescent reporter labels by any energy-transfer mechanism, such as FRET. Fluorescence quencher compositions are useful in preparing quencher labeled biomolecules for various molecular biology assays based on fluorescence detection.Type: ApplicationFiled: September 27, 2012Publication date: May 16, 2013Applicant: LIFE TECHNOLOGIES CORPORATIONInventors: Gregory J. Ewing, Deborah Kay Fieri, Khairuzzaman Bashar Mullah, Ronald Graham
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Publication number: 20120135216Abstract: The present invention relates to novel organic-inorganic silica particles, a preparation method thereof, and a hard coating composition containing the same, and more specifically, to organic-inorganic silica particles wherein an initiator is chemically bonded to hydroxyl groups (—OH) on the surface of the silica particles, a preparation method thereof, and a hard coating composition containing the same. A hard coating film with excellent abrasion resistance, scratch resistance and the like can be prepared by using the hard coating composition containing the organic-inorganic silica particles according to the present invention.Type: ApplicationFiled: August 31, 2010Publication date: May 31, 2012Applicant: LG HAUSYS, LTD.Inventors: Dongjoo Kwon, Won-Kook Kim, Yanggu Kang
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Publication number: 20120116064Abstract: This invention relates to a novel class of hybrid lipid compound based on pentaerythritol, their intermediates, preparation methods and uses thereof. Different kinds of functional groups such as alkyl chain, siloxane group, azobenzene, porphyrins, cholesterol, benzene ring and carboxyl were introduced into the four hydroxyl groups of pentaerythritol through chemical reaction to obtain the final hybrid lipid compounds based on pentaerythritol. Cerasomes prepared from such lipids have uniform size, silicate network surface, good stability and biocompatibility, and the leakage of drugs is not easy. The present liposome can be used as functional materials such as drugs or drug carriers, or used for optical storage and molecular devices, simulation, design and synthesis of artificial systems, nano-composite membrane materials and the removal of organic pollutants, etc., in addition, the preparation method of the present invention is simple, and it is easy for industrial production.Type: ApplicationFiled: July 19, 2010Publication date: May 10, 2012Applicant: HARBIN INSTITUTE OF TECHNOLOGYInventors: Zhifei Dai, Xiaolong Liang, Xiuli Yue
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Publication number: 20120040380Abstract: The present invention relates to compounds that are substrates for an enzyme, and upon reaction with the enzyme provide a detectable response, such as an optically detectable response. In particular, the compounds have utility in detecting the presence of a ?-lactamase in a sample. In addition to the compounds, methods are disclosed for analyzing a sample for the presence of a ?-lactmase, for example, as an indicator of expression of a nucleic acid sequence including a sequence coding for a ?-lactmase. Kits are disclosed that include the disclosed compounds and additional components, for example, cells, antibodies, a ?-lactmase or instructions for using the components in an assay.Type: ApplicationFiled: June 22, 2011Publication date: February 16, 2012Applicant: LIFE TECHNOLOGIES CORPORATIONInventors: SCHUYLER BOON CORRY, WILLIAM LOUIS DOWNEY, BRIAN FILANOSKI, KYLE RICHARD GEE, I. LAWRENCE GREENFIELD, JAMES DAVID HIRSCH, IAIN JOHNSON, ALEKSEY RUKAVISHNIKOV
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Publication number: 20110282040Abstract: Functionalized organosilicon compounds (I), including at least one azo-activated structural unit, are prepared by: A. reacting at least one silane precursor (IV) with at least one hydrazo-precursor compound (V) to obtain hydrazine precursors (II) of such organosilicon compounds and B. oxidizing the hydrazine group of the precursors (II) to obtain precursors of the compounds (I), employing an oxidizer (NaOCl) and a base (NaOH), the oxidation being carried out in a biphase aqueous/organic medium, with the pH of the aqueous phase ranging from 3 to 11, such oxidation B being carried out directly in the reaction medium obtained from step A and containing the precursors (II), without isolating these precursors.Type: ApplicationFiled: April 3, 2009Publication date: November 17, 2011Applicant: RHODIA OPERATIONSInventors: Thierry Vidal, Virginie Pevere
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Publication number: 20100192312Abstract: A highly crosslinked polysiloxane dye comprising at least 10 Si atoms, including at least one moiety of the formula (I) whose open Si-bonds each are linked to an oxygen atom and open O-bond is linked to a silicon atom in the rest of the polysiloxane, and wherein T is a direct bond or an organic spacer group such as C1-C18alkylene, C2-C12alkenylene, C5-C10cycloalkylene, C5-C10arylene, —C5-C10arylene-(C1-C10alkylene)- each of which may be end-capped towards the linkage to Dye by CO, COO, NR1, CONR1, NR1CONR1, CS, CSS, CSNR1, NR1CSNR1, O, S, SO, SO2, C5-C10cycloalkylene, C5-C10arylene; or T is C3-C18alkylene interrupted, and optionally end-capped towards the linkage to Dye, by CO, COO, NR1, CONR1, NR1CONR1, CS, CSS, CSNR1, NR1CSNR1, O, S, SO, —SO2—, C5-C10cycloalkylene, C5-C10arylene; or is CO; (CH2CH2—O)1-5; COO; N(R1); CON(R1); O; S; SO; SO2; R1 is hydrogen; unsubstituted or substituted, straight-chain or branched, monocyclic or polycyclic, interrupted or uninterrupted C1-C14alkyl; C2-C14alkenyl; C6-C10aryl; CType: ApplicationFiled: April 25, 2008Publication date: August 5, 2010Applicant: CIBA CORPORATIONInventors: Christian Cremer, Richard Lewis Riggs, Beate Frohling, Martin Muller
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Publication number: 20090216001Abstract: The invention concerns synthesis of functionalized organosilicium compounds comprising at least one activated azo group of formula (I): [(G0)3SiO1/2]m[(G0)2SiO2/2]n[G0SiO3/2]o[SiO4/2]p[(G2)a(G1)a?(Z-CO—HN?NH—CO-A)SiO(3-a-a?)/2]. Said compounds can for example be a mixture of silane species of formula (ia): (C2H5O)3Si—(CH2)3—NH—CO—N?N—COOC2H3; with siloxane species of formulae: (2i.1a): [(CH3)3SiO1/2][(C2H5O)2{(CH2)3—NH—CO—N?N—COOC2H5}SiO1/2] et (2i.2a): [(CH3)3SiO1/2]2[(C2H5O){(CH2)3—NH—CO—N?N—COOC2H5}SiO2/2].Type: ApplicationFiled: May 17, 2006Publication date: August 27, 2009Applicant: RHODIA CHIMIEInventor: Sebastien Sterin
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Publication number: 20090209743Abstract: The present invention relates to colored organopolysiloxanes comprising units of the formula R1a(RO)bAcR2dSiO(4-a-b-c-d)/2??(I), in which R can be identical or different and is hydrogen or a monovalent, unsubstituted or substituted hydrocarbon radical; R1 can be identical or different and is hydrogen or a monovalent, SiC-bonded, unsubstituted or substituted hydrocarbon radical; R2 can be identical or different and is a substituted monovalent hydrocarbon radical; A can be identical or different and is an organic dye radical free from sulfonic acid groups and sulfonate groups; a is 0, 1, 2 or 3; b is 0, 1, 2 or 3; d is 0, 1, 2 or 3; and c is 0, 1 or 2; with the proviso that the sum a+b+c+d is ?3, the organopolysiloxane has at least one radical A per molecule, and in the units of the formula (I) where c is other than 0 when d is 0. The invention also relates to a process to the color organopolysiloxane.Type: ApplicationFiled: June 6, 2007Publication date: August 20, 2009Inventors: Roxana Barbieru, Stefan Ehrenberg, Werner Russ, Christian Ochs, Daniel Schildbach
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Publication number: 20090068697Abstract: Fluorogenic lysophosphatidic acid derivatives which can be used as substrates in a continuous, fluorogenic assay that can be performed in microtiter plates. The assays permit measuring LysoPLD activity levels in normal events such as pregnancy or disease states such as cancer. In addition, the present invention can be adopted to high throughout screening (HTS) for identification of potential inhibitors of lysoPLD activity.Type: ApplicationFiled: October 28, 2008Publication date: March 12, 2009Applicant: Echelon Biosciences IncorporatedInventors: Colin Ferguson, Glenn Prestwich
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Patent number: 6979364Abstract: A metal chelate compound of the Formula (1) and salts thereof: wherein: one of A and B is OH and the other is an azotriazole group; and M is a metal or boron; and n is 0 to 4; compositions and inks containing a compound of Formula (1), a process for ink jet printing using the inks and an ink jet printer cartridge containing the ink.Type: GrantFiled: May 20, 2003Date of Patent: December 27, 2005Assignee: Avecia LimitedInventors: Gavin Wright, Kevin Johnson, Mairi Elizabeth Raggatt, Prakash Patel
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Patent number: 6969421Abstract: A process for printing an image on a substrate comprising applying thereto by means of an ink jet printer an ink containing a metal chelate compound of the Formula (1) and salts thereof: wherein: one of A and B is OH and the other is an azotriazole group; each W independently is a carboxy or carbonamido group; each X independently is a substituent other than H, sulphonamido, carboxy, sulpho and carbonamido; J is a sulphonamido group; M is a metal or boron; a, p, q and n are each independently 0, 1, 2, 3 or 4; and (p+q+a+n) is 0, 1, 2, 3 or 4. Also claimed are compounds of Formula (1), compositions and inks containing a compound of Formula (1) and an ink jet printer cartridge containing the ink.Type: GrantFiled: May 20, 2003Date of Patent: November 29, 2005Assignee: Avecia LimitedInventors: Gavin Wright, Kevin Johnson, Mairi Elizabeth Raggatt, Prakash Patel
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Patent number: 6943265Abstract: The invention relates to a method for the production of hydroxyalkyl polysiloxanes of general formula (V) (SiO4/2)k(R12SiO3/2)m(R12SiO2/2)p(R13SiO1/2)q[O1/2SiR32—(CR42)b—OH]5[O1/2H]t (V), wherein organosiloxanes of general formula (VI) (SiO4/2)k(R1SiO3/2)m(R12SiO2/2)p(R13SiO1/2)q[O1/2H]r(VI) containing silanol are made to react with compounds having at least one unit of general formula (IV) [O—(CR42)b—SiR32]n—(IV).Type: GrantFiled: February 7, 2002Date of Patent: September 13, 2005Assignee: Consortium fur Elektrochemische Industrie, GmbHInventors: Oliver Schäfer, Thomas Kammel, Bernd Pachaly
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Publication number: 20040073031Abstract: The invention relates to a method for the production of hydroxyalkyl polysiloxanes of general formula (V) (SiO4/2)k(R12SiO3/2)m(R12SiO2/2)p(R13SiO1/2)q[O1/2SiR3213 (CR42)b—OH]s[O1/2H]t (V), wherein organosiloxanes of general formula (VI) (SiO4/2)k(R1SiO3/2)m(R12SiO2/2)p(R13SiO1/2)q[O1/2H]r(VI) containing silanol are made to react with compounds having at least one unit of general formula (IV) [O—(CR42)—SiR32]n— (IV).Type: ApplicationFiled: September 2, 2003Publication date: April 15, 2004Inventors: Oliver Schfer, Thomas Kammel, Bernd Pachaly
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Publication number: 20040020405Abstract: A metal chelate compound of the Formula (1) and salts thereof: 1Type: ApplicationFiled: May 20, 2003Publication date: February 5, 2004Applicant: Avecia LimitedInventors: Gavin Wright, Kevin Johnson, Mairi Elizabeth Raggatt, Prakash Patel
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Publication number: 20030109687Abstract: Compounds of the formulaType: ApplicationFiled: August 5, 2002Publication date: June 12, 2003Inventors: Tae K. Song, Min Teng, Roshantha A. Chandraratna
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Publication number: 20030040608Abstract: An azo dye represented by the following general formulae (10) and (12): 1Type: ApplicationFiled: June 24, 2002Publication date: February 27, 2003Inventors: Keiichi Tateishi, Toshiki Fujiwara, Makoto Yamada
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Patent number: 6340745Abstract: Phthalocyanines of the formula where Me is twice hydrogen, twice lithium, magnesium, zinc, copper, nickel, VO, TiO, AlCl, AlOH, AlOCOCH3, AlOCOCF3, SiCl2 or Si(OH)2, at least four of the radicals R1 to R16 are each independently of the others a five- or six-membered saturated nitrogen-containing heterocyclic radical which is bonded to the phthalocyanine structure via a ring nitrogen atom and which can additionally contain further hetero atoms, and any remaining radicals R1 to R16 are each hydrogen, halogen, hydroxysulfonyl or C1-C4-dialkylsulfamoyl, subject to the proviso that tetrakispiperidinylphthalocyanine shall be excluded, and heterocyclyl-substituted phthalocyanines are useful for marking liquids, in particular mineral oils.Type: GrantFiled: November 19, 1999Date of Patent: January 22, 2002Assignee: BASF AktiengesellschaftInventors: Frank Meyer, Christos Vamvakaris, Karin Heidrun Beck, Gerhard Wagenblast, Bernhard Albert
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Patent number: 6203578Abstract: The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibres and in particular the hair. The invention also relates to novel silicon compounds and dye compositions containing them, as well as to the corresponding direct dyeing process.Type: GrantFiled: September 29, 1999Date of Patent: March 20, 2001Assignee: L'OrealInventors: Madeleine Leduc, Hervé Richard, Alain Lagrange
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Patent number: 6176885Abstract: The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibers and in particular the hair. The invention also relates to novel silicon compounds and dye compositions containing them, as well as to the corresponding direct dyeing process.Type: GrantFiled: September 29, 1999Date of Patent: January 23, 2001Assignee: L'OrealInventors: Madeleine Leduc, Herv{acute over (e)} Richard, Alain Lagrange
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Patent number: 6027537Abstract: The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibres and in particular the hair. The invention also relates to novel silicon compounds and dye compositions containing them, as well as to the corresponding direct dyeing process.Type: GrantFiled: October 30, 1997Date of Patent: February 22, 2000Assignee: L'OrealInventors: Madeleine Leduc, Herve Richard, Alain Lagrange
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Patent number: 5549853Abstract: Azo dyes of the formulaW(--X--Y--Chr).sub.n,wheren is 2 to 6,y is C.sub.1 -C.sub.6 -alkylene,Chr is the radical of a mono- or polyazo dye,X is a radical of the formula CO--O or O--CO andW is an n-valent radical which is derived from an unsubstituted or substituted C.sub.2 -C.sub.20 -alkane, an unsubstituted or substituted C.sub.4 -C.sub.7 -cycloalkane, an unsubstituted or substituted benzene or an unsubstituted or substituted naphthalene, or, if n is 4, is also silicon,and their use in nonlinear optics or for dyeing or printing textile materials are described.Type: GrantFiled: June 6, 1994Date of Patent: August 27, 1996Assignee: BASF AktiengesellschaftInventors: Stefan Beckmann, Karl-Heinz Etzbach, Karl Siemensmeyer, Ruediger Sens
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Patent number: 5543504Abstract: Novel polymerizable yellow dyes are disclosed. Additionally, novel and known dyes are used to block or lower the intensity of blue light transmitted through ocular lenses and other windows.Type: GrantFiled: May 22, 1995Date of Patent: August 6, 1996Assignee: Alcon Laboratories, Inc.Inventor: David L. Jinkerson
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Patent number: 5512246Abstract: Methods and compositions for detecting and measuring the concentration in solution of polyhydroxyl compounds, such as sugars. The invention makes use of certain dye compositions that, when linked to a derivative of boronic acid (or boronate ion), arsenious acid (or arsenite ion), or germanic acid (or germanate ion), exhibit quantitative responses to the presence of polyhydroxyl species.Type: GrantFiled: November 17, 1993Date of Patent: April 30, 1996Assignee: Anthony P. RussellInventors: Anthony P. Russell, Charles W. Zepp
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Patent number: 5137833Abstract: A method for detecting and measuring the concentration in solution of polyhydroxyl compounds, such as sugars. The invention makes use of certain dyes that, when linked to a derivative of boronic acid (or boronate ion), arsenious acid (or arsenite ion), or germanic acid (or germanate ion), exhibit quantitative responses to the presence of polyhydroxyl species.Type: GrantFiled: September 21, 1989Date of Patent: August 11, 1992Inventor: Anthony P. Russell
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Patent number: 5136029Abstract: A hydrolyzable silyl group-containing azo compound is represented by the following general formula (I): ##STR1## wherein A represents a group originating from an azo compound having one or more active hydrogen groups;R.sup.1 represents a monovalent organic group;R.sup.2 represents a divalent organic group;X represents a hydrolyzable group;Y represents --O--, --S--, ##STR2## m is an integer of 1 to 3; and n is an integer of 1 or 2;and process for producing the same is disclosed. The hydrolyzable silyl group-containing azo compound is used to prepare a hydrolyzable silyl group-containing vinyl polymer produced by polymerizing vinyl monomer as a radical polymerization initiator.Type: GrantFiled: October 17, 1989Date of Patent: August 4, 1992Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Hisao Furukawa, Katsuhiko Isayama, Yasushi Kato
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Patent number: 5108502Abstract: Boronic dyes corresponding to the formula ##STR1## wherein D is an organic dye moiety, and n is 1 or 2 are described. Inks which are formulated for ink-jet printing and contain such a dye provide excellent images when printed on paper.Type: GrantFiled: August 28, 1991Date of Patent: April 28, 1992Assignee: Hewlett-Packard CompanyInventors: Norman E. Pawlowski, Dale D. Russell, Karla M. Robotti
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Patent number: 4892936Abstract: A process is disclosed for the preparation of .alpha.-substituted carbonyl compounds, wherein .alpha.-substituted ketone is prepared by the following reaction: ##STR1## .alpha.-azo ester is prepared by the following reaction: ##STR2## and .alpha.-hydrozono ester is prepared by the following reaction: ##STR3## wherein the .alpha.-azo ester and .alpha.-hydrazono ester obtained by the above reactions include novel compounds, which are also disclosed.Type: GrantFiled: March 23, 1988Date of Patent: January 9, 1990Assignee: Agency of Industrial Science and TechnologyInventors: Masato Tanaka, Toshiyasu Sakakura
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Patent number: 4826954Abstract: Novel diorganopolysiloxane-azobenzene alternating copolymers composed of repeat units having the formula ##STR1## wherein n has a value greater than or equal to 1; each R.sup.1 is independently selected from a group consisting of a hydrogen atom, a monovalent hydrocarbon group and an alkoxy group; each R.sup.2 is independently selected from a group consisting of a monovalent hydrocarbon group and an alkoxy group; each R.sup.3 is a linking group selected from a group consisting of an oxygen atom, C.sub.2 -C.sub.6 alkylene groups, --O(C.dbd.O)--, --R.sup.4 --N(R.sup.5)--(C.dbd.O)--, and --R.sup.6 --(C.dbd.O)--N(R.sup.7)--, are described. These copolymers undergo reversible photomediated changes in their viscosity and absorption specta. Also described are methods for preparing these novel copolymers.Type: GrantFiled: January 29, 1988Date of Patent: May 2, 1989Assignee: Toray Silicone Co., Ltd.Inventors: Toshio Suzuki, Masahiro Irie
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Patent number: 4659817Abstract: Compounds and methods featuring, in one aspect, compositions containing an organic boronic acid and one or more reporter groups.Type: GrantFiled: August 8, 1984Date of Patent: April 21, 1987Assignee: The Children's Medical Center CorporationInventors: Paul M. Gallop, Mercedes Paz
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Patent number: 4652635Abstract: A method for converting ether groups such as alkyl or aryl ether groups including hydroquinone ether groups to hydroxyl groups and ester groups such as alkyl or aryl ester groups to carboxylic acid groups which comprises reacting a compound including at least one ether and/or ester group with a 2-halo-1,3,2-benzodioxaborole to form an intermediate and hydrolyzing the intermediate such as by quenching it into water to form the desired final product.Type: GrantFiled: June 15, 1984Date of Patent: March 24, 1987Assignee: Polaroid CorporationInventor: Patrick F. King