Plural Heavy Metals Bonded Directly To The Same Chalcogen (e.g., Two Germaniums Bonded Directly To The Same Oxygen, Etc.) Patents (Class 556/83)
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Patent number: 9844775Abstract: An alkyl tin compound having an alkyl group bonded to a tin atom, wherein the alkyl group is a branched alkyl or cyclic group-substituted alkyl group, the branched alkyl group being an alkyl group branched at at least one carbon atom of the first to third carbon atoms counting from the tin atom, and the cyclic group-substituted alkyl group being an alkyl group having a cyclic group bonded at at least one carbon atom of the first to third carbon atoms counting from the tin atom.Type: GrantFiled: September 22, 2014Date of Patent: December 19, 2017Assignee: Asahi Kasei Kabushiki KaishaInventors: Nobuhisa Miyake, Masaaki Shinohata, Budianto Nishiyama, Atsushi Okubo
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Patent number: 8900330Abstract: An agent that is capable of improving dye fastness is provided. The agent includes a compound that includes at least one functional group capable of forming at least one interaction or at least one bond with a fiber or a dye molecule. Also, a method for using the agents to improve dye fastness and a dyed article including the agent are provided.Type: GrantFiled: February 26, 2010Date of Patent: December 2, 2014Assignee: Korea University Research and Business FoundationInventor: Dong Hoon Choi
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Patent number: 8828101Abstract: An agent that is capable of improving dye fastness is provided. The agent includes a compound that includes at least one functional group capable of forming at least one interaction or at least one bond with a fiber or a dye molecule. Also, a method for using the agents to improve dye fastness and a dyed article including the agent are provided.Type: GrantFiled: February 26, 2010Date of Patent: September 9, 2014Assignee: Korea University Research and Business FoundationInventor: Dong Hoon Choi
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Patent number: 8759561Abstract: The present invention provides a catalyst for synthesizing an aromatic carbonate, a method of preparing the same, and a method of preparing an aromatic carbonate from dialkyl carbonate using the catalyst. The catalyst has a unit structure consisting of Formulae 1a, 1b or 1c: wherein R1 is C1-C5 alkyl, R2 is substituted or unsubstituted phenyl.Type: GrantFiled: October 16, 2012Date of Patent: June 24, 2014Assignee: Cheil Industries Inc.Inventors: Mie Ock Kim, Chang Hoon Lee, Dong Baek Kim
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Publication number: 20130165681Abstract: The present invention provides a catalyst for synthesizing an aromatic carbonate, a method of preparing the same, and a method of preparing an aromatic carbonate from dialkyl carbonate using the catalyst. The catalyst has a unit structure of Formula 1: [Formula 1] [Sn(R1)(OR2)O]n wherein R1 is C1-C5 alkyl, R2 is substituted or unsubstituted phenyl, and n is an integer from 1 to 10.Type: ApplicationFiled: October 16, 2012Publication date: June 27, 2013Applicant: CHEIL INDUSTRIES INC.Inventor: CHEIL INDUSTRIES INC.
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Patent number: 8362289Abstract: It is an object of the present invention to provide a mixture for recovery utilization or transfer of carbon dioxide gas. According to the present invention, disclosed is a mixture containing carbon dioxide and an alkyltin alkoxide composition containing carbon dioxide complex of an alkyltin alkoxide, the mixture having a composition with a specified ratio.Type: GrantFiled: March 28, 2007Date of Patent: January 29, 2013Assignee: Asahi Kasei Chemicals CorporationInventors: Nobuhisa Miyake, Kazuhiro Onishi, Kazuo Tomoyasu, Budianto Bijanto
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Patent number: 8168812Abstract: The present invention provides a process for producing: a compound represented by XOR2; a dialkyl tin dialkoxide compound having one tin atom, two Sn—R1 bonds and two Sn—OR2 bonds; and/or a tetraalkyl dialkoxy distannoxane compound having one Sn—O—Sn bond, in which each tin atom of the tetraalkyl dialkoxy distannoxane compound has two Sn—R1 bonds and one Sn—OR2 bond.Type: GrantFiled: March 31, 2009Date of Patent: May 1, 2012Assignee: Asahi Kasei Chemicals CorporationInventors: Masaaki Shinohata, Nobuhisa Miyake
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Publication number: 20110209294Abstract: An agent that is capable of improving dye fastness is provided. The agent includes a compound that includes at least one functional group capable of forming at least one interaction or at least one bond with a fiber or a dye molecule. Also, a method for using the agents to improve dye fastness and a dyed article including the agent are provided.Type: ApplicationFiled: February 26, 2010Publication date: September 1, 2011Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventor: Dong Hoon CHOI
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Patent number: 7867606Abstract: Transparent, electrically conductive layer, a process for producing the layer and its use, wherein the layer is based on at least one compound of the formula 1 wherein the substituents are as defined.Type: GrantFiled: July 16, 2007Date of Patent: January 11, 2011Assignee: Evonik Degussa GmbHInventors: Thomas Luethge, Rita Fuegemann, Martina Inhester, Matthias Driess, Yilmaz Aksu
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Publication number: 20100292496Abstract: The present invention provides a process for producing: a compound represented by XOR2; a dialkyl tin dialkoxide compound having one tin atom, two Sn—R1 bonds and two Sn—OR2 bonds; and/or a tetraalkyl dialkoxy distannoxane compound having one Sn—O—Sn bond, in which each tin atom of the tetraalkyl dialkoxy distannoxane compound has two Sn—R1 bonds and one Sn—OR2 bond, the process comprising reacting in the absence of a catalyst at least one alkyl tin compound selected from the group consisting of i) and ii) below: i) a dialkyl tin compound having one tin atom, two Sn—R1 (wherein R1 represents an alkyl group) bonds, and two Sn—OX bonds (wherein OX is a group in which HOX that is a conjugate acid of OX is a Bronsted acid having a pKa of from 0 to 6.Type: ApplicationFiled: March 31, 2009Publication date: November 18, 2010Inventors: Masaaki Shinohata, Nobuhisa Miyake
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Publication number: 20100234485Abstract: The present invention provides organometallic latent catalyst compounds, which are suitable as catalysts in polyaddition or polycondensation reactions which are catalysed by a Lewis acid type catalyst, in particular for the crosslinking of a blocked or unblocked isocyanate or isothiocyanate component with a polyol or polythiolto form a polyurethane (PU).Type: ApplicationFiled: October 10, 2008Publication date: September 16, 2010Applicant: BASF SEInventors: Rachel Kohli Steck, Caroline Lordelot, Thomas Vogel, Gisele Baudin, Paul Brown, Kurt Dietliker, Rinaldo Huesler, Tunja Jung, Peter Simmendinger, Katia Studer, Antoine Carroy
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Patent number: 7541482Abstract: A process for the production of alkyltin alkoxides which comprises subjecting at least one alkyltin compound selected from among organotin compounds having tin-oxygen-tin linkages as the starting compound and a hydroxyl compound as the reactant to dehydration to obtain an alkyltin alkoxide corresponding to the starting compound and the reactant, characterized by continuously feeding the starting compound and the reactant into a reactor, discharging a water-containing low boiling point component from the reactor, and continuously withdrawing a reaction fluid containing an alkyltin alkoxide as the bottom from the reactor.Type: GrantFiled: May 18, 2005Date of Patent: June 2, 2009Assignee: Asahi Kasei Chemicals CorporationInventors: Nobuhisa Miyake, Kazuhiro Onishi, Budianto Bijanto
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Publication number: 20080233378Abstract: Transparent, electrically conductive layer, a process for producing the layer and its use, wherein the layer is based on at least one compound of the formula 1 wherein the substituents are as defined.Type: ApplicationFiled: July 16, 2007Publication date: September 25, 2008Applicant: DEGUSSA GmbHInventors: Thomas LUTHGE, Rita Fugemann, Martina Inhester, Matthias Driess, Yilmaz Aksu
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Patent number: 6414174Abstract: Tin alkoxide compounds are provided with accessible electrons. The compounds are a polymeric tin alkoxide, [Sn(OCH2C(CH3)3)2]n, and the hydrolysis products Sn6O4(OCH2C(CH3)3)4 and Sn5O2(OCH2C(CH3)3)6. The hydrolysis products are formed by hydrolyzing the [Sn(OCH2C(CH3)3)2]n in a solvent with controlled amounts of water, between 0.1 and 2 moles of water per mole of the polymeric tin alkoxide.Type: GrantFiled: March 22, 2001Date of Patent: July 2, 2002Assignee: Sandia CorporationInventor: Timothy J. Boyle
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Publication number: 20020065424Abstract: Metal complex containing one or more silsesquioxane ligands, having the formulaType: ApplicationFiled: September 4, 2001Publication date: May 30, 2002Inventors: Maurits F.H. Van Tol, Sven K.H. Thiele, Robbert Duchateau, Hendrikus C.L. Abbenhuis, Rutger A. Van Santen
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Patent number: 6310229Abstract: Lead halophenoxides, especially bromophenoxides, are prepared by the reaction of lead(II) oxides with a hydroxyaromatic compound such as phenol and a chloride or bromide salt such as an alkali metal bromide, a tetraalkylammonium bromide or a bexaalkylguanidinium bromide. They are useful in catalyst compositions for the oxidative carbonylation of hydroxyaromatic compounds to diaryl carbonates.Type: GrantFiled: December 20, 1999Date of Patent: October 30, 2001Assignee: General Electric CompanyInventors: Grigorii Lev Soloveichik, Ben Purushatom Patel, John Yaw Ofori
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Patent number: 5770672Abstract: The present invention comprises a polystannoxane catalyst, a curable composition containing the catalyst and a method of using the catalyst and curing the composition. The curable composition comprises:(i) a blocked isocyanate;(ii) a functional component containing reactive hydrogen;(iii) a polystannoxane catalyst for promoting the reaction of the blocked isocyanate with the functional component.A co-catalyst may also be employed based on Cu, Zn, Ni, Zr, Ce, Fe, Co, V, Sb and Bi and especially oxides, salts or chelates of said metals. The invention also relates to a method for curing a blocked isocyanate at a low reaction temperature which comprises combining the catalyst with the blocked isocyanate and functional component and heating to a temperature less than about 180.degree. C. to obtain a cured urethane.Type: GrantFiled: April 3, 1997Date of Patent: June 23, 1998Assignee: Elf Atochem North America, Inc.Inventors: Melvin H. Gitlitz, Sri R. Seshadri
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Patent number: 5561094Abstract: A process for making a dialkyl carbonate which comprises reacting urea with a first alcohol in a carbamate reactor at a temperature and pressure sufficient to convert said urea to an alkyl carbamate; and reacting the alkyl carbamate with a second alcohol in the presence of a dialkyl isocyanato alkoxy tin catalyst or derivatives in a carbonate reactor at a temperature and pressure sufficient to convert the alkyl carbamate to a dialkyl carbonate, wherein the molar ratio of alkyl carbamate to second alcohol is in the range between about 2:1 to about 10:1 and wherein dialkyl carbonate is present within the carbonate reactor in an amount between about 1 to about 3 weight %, based on total alkyl carbamate and second alcohol content, and wherein the second alcohol is either the same as or different from the first alcohol or a mixture of alcohols.Type: GrantFiled: April 26, 1995Date of Patent: October 1, 1996Inventors: Ramzi Y. Saleh, Robert C. Michaelson, Elena N. Suciu, Barbara Kuhlmann
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Patent number: 5516883Abstract: A biodegradable, optically active copolymer is disclosed. The copolymer is represented by general formula (I): ##STR1## wherein R.sup.1 represents a group selected from the group consisting of methyldimethylene, 1,2-dimethyldimethylene, 1,1-dimethyldimethylene, methyltrimethylene, tetramethylene, methyltetramethylene, pentamethylene, 1,4-dimethyl-2-oxo-3-oxytetramethylene, 2-oxo-3-oxytetramethylene, and 2-methyl-3-oxypentamethylene, and m and n each represents a natural number of from 10 to 15,000. According to the present invention, useful polymers which are a new type of functional materials characterized as having optical activity, biodegradability (enzymatic degradability), and hydrolyzability can be easily produced in an industrially advantageous manner by the ring-opening copolymerization of optically active .beta.-butyrolactone with various lactones.Type: GrantFiled: December 9, 1993Date of Patent: May 14, 1996Assignee: Takasago International CorporationInventors: Yoji Hori, Akio Yamaguchi
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Patent number: 5430125Abstract: A process for producing poly(3-hydroxybutyric acid) comprising ring-opening polymerization of .beta.-butyrolactone is disclosed, wherein the ring-opening polymerization is carried out in the presence of at least one tin compound selected from the group consisting of a distannoxane derivative (e.g., 1-chloro-3-ethoxy-1,1,3,3-tetrabutyldistannoxane), a tin carboxylate compound (e.g., tin dioctanoate), and a di-lower alkyltin oxide (e.g., dibutyltin oxide). Poly(3-hydroxybutyric acid) can be produced in high yield at low cost through simple production steps. The resulting polymer has an increased molecular weight to a degree not heretofore attained.Type: GrantFiled: February 25, 1994Date of Patent: July 4, 1995Assignee: Takasago International CorporationInventors: Yoji Hori, Takao Nishishita, Akio Yamaguchi
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Patent number: 5391792Abstract: The present invention is a germanium compound having the following general formula I: ##STR1## in which n is a positive integer less than 50 when the general formula is linear and is between 3 and 50 when the general formula is cyclic, and preferably between 3 and 6, and the R radicals, which are identical or different, are chosen independently from hydrocarbyl radicals, or, the R radicals form a hydrocarbon chain optionally containing one or two heteroatoms, optionally substituted by one or more C.sub.1 -C.sub.3 alkyl radicals, which are optionally unsaturated, the compound of general formula I being, when it is linear, terminated by two radicals R.sub.3 Ge-- and R.sub.3 Ge--O-- respectively, provided that the different R radicals cannot simultaneously correspond to a methyl radical and when the general formula I is cyclic, the two radicals attach to the same germanium atom, cannot correspond to a divalent chain of the formula: ##STR2## Z.sub.1 and Z.sub.2 being chosen from methyl radicals or hydrogen atoms.Type: GrantFiled: January 31, 1994Date of Patent: February 21, 1995Assignee: Metaleurop S.A.Inventors: Christian Thomas, Paolo Fossi, Elisabeth Perrier, Pierre Mazerolles
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Patent number: 5352815Abstract: The present invention provides an agent for suppression or interception of the Mailard reaction, which comprises, as the active component, an organogermanium compound represented by formula (1): ##STR1## wherein R.sub.1 to R.sub.3 may be the same or different and each of them represents a hydrogen atom, a lower alkyl group, or a phenyl group; and X represents a hydroxyl group, an O-lower alkyl group, an amino group, or a salt represented by OY (Y is a metal or a basic group-containing compound).Said agent can effectively suppress or intercept the Mailard reaction and has high safety even when administered for a long period of time.Type: GrantFiled: March 16, 1993Date of Patent: October 4, 1994Assignee: Asai Germanium Research Institute Co., Ltd.Inventors: Norihiro Kakimoto, Kunie Nakamura
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Patent number: 5008416Abstract: An organogermanium compound of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrogen atom, alkyl, substituted alkyl, phenyl or substituted phenyl, and R.sub.5 is a radical of ##STR2## n is an integer of 2 or more, and R.sub.6 and R.sub.7 are hydrogen atom, alkyl, substituted alkyl, phenyl or substituted phenyl,a salt of the compound, a processs for the preparation of the compound as well as a use of the compound as an affective ingredient for pharmaceutical preparations.Type: GrantFiled: June 19, 1990Date of Patent: April 16, 1991Assignee: Sanwa Kagaku Kenkyusho Co., Ltd.Inventors: Masayasu Kurono, Yasuaki Kondo, Takahiko Mitani, Yutaka Baba, Kiichi Sawai
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Patent number: 4977287Abstract: The present invention provides (A) an organogermanium compound represented by the general formula (1) ##STR1## wherein X is a halogen atom and R is a hydrogen atom, a lower alkyl group or a phenyl group, or by the general formula (2) ##STR2## wherein X and Y are each a halogen atom and R is a hydrogen atom, a lower alkyl group or a phenyl group, or by the general formula (3-O), ##STR3## wherein R is a hydrogen atom, a lower alkyl group or a phenyl group, or by the general formula (3-S), ##STR4## wherein R is a hydrogen atom, a lower alkyl group or a phenyl group, or by the general formula (4-O), ##STR5## wherein R is a hydrogen atom, a lower alkyl group or a phenyl group, or by the general formula (4-S), ##STR6## wherein R is a hydrogen atom, a lower alkyl group or a phenyl group, and (B) a process for producing an organogermanium compound represented by each of the formulas (3-O), (3-S), (4-O) and (4-S).Type: GrantFiled: August 29, 1989Date of Patent: December 11, 1990Assignee: Asai Germanium Research Institute Co.Inventors: Norihiro Kakimoto, Kunie Nakamura, Toru Yoshihara
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Patent number: 4859451Abstract: In the NMR imaging of a subject comprising administering to such subject a composition containing an image-modifying effective amount of an image enhancer, permitting the enhancer to move through the subject, and after a time interval taking an NMR image of the subject, the improvement which comprises employing as said enhancer a complex of a paramagnetic polyvalent metal and a partial amide and/or ester of diethylenetriaminepentaacetic acid. The complexes are new.Type: GrantFiled: April 24, 1986Date of Patent: August 22, 1989Assignee: Salutar, Inc.Inventors: Steven C. Quay, Dilip M. Worah
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Patent number: 4772628Abstract: This invention discloses organogermanium compounds characterized in being expressed by the following formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 respectively denote a hydrogen atom, a lower alkyl group, or a substituted or unsubstituted phenyl group, Y denotes an oxygen or sulfur atom, and Z denotes a hydroxyl group, an amino, or a lower alkoxy group, and antitumor agents comprising as a principal agent these compounds.Type: GrantFiled: December 24, 1986Date of Patent: September 20, 1988Assignee: Asai Germanium Research InstituteInventors: Norihiro Kakimoto, Nobuo Tanaka, Isao Sato, Katsuyuki Sato
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Patent number: 4720564Abstract: A new synthetic antioxidant comprising an organogermanium compound represented by the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are one of a hydrogen atom, a substituted or unsubstituted phenyl group or an alkyl group, Y is a hydroxyl or amino group and Z is an oxygen or sulfur atom, is particularly effective in inhibiting auto-oxidation in living organisms.Type: GrantFiled: April 23, 1985Date of Patent: January 19, 1988Assignee: Asai Germanium Research InstituteInventors: Norihiro Kakimoto, Mitsuo Namiki, Toshihiko Osawa, Kohei Miyao
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Patent number: 4681960Abstract: The present invention provides (1) a new organogermanium compound of the following general formula: ##STR1## wherein A represents a hydrogen atom, a lower alkyl group such as a methyl or ethyl group or a phenyl group, B represents a hydrogen atom or a lower alkyl group as mentioned above and Z represents a hydroxyl or amino group and (2) an opioid peptide-degrading enzyme inhibitor containing the compound (1) as a principal ingredient.Type: GrantFiled: July 2, 1984Date of Patent: July 21, 1987Assignee: Asai Germanium Research InstituteInventors: Norihiro Kakimoto, Takashi Katayama, Tadahiko Hazato, Tsutomu Ohnishi
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Patent number: 4579961Abstract: Organogermanium compounds having both hydrophilicity and lipophilicity are respresented by the formula ##STR1## in which R.sub.1 and R.sub.2 are each a hydrogen atom or a lower alkyl group, and A is a hydroxyl or amino group, a salt thereof, or an O-lower alkyl group. The compounds are produced by a process which comprises obtaining a trihalogermylcinnamic acid derivative of the formula ##STR2## in which R.sub.1 and R.sub.2 are each a hydrogen atom or a lower alkyl group, and B is a cyano, carboxyl, haloformyl, or carbamoyl group, or a group esterified with a lower alkyl group, directly or indirectly from a cinnamic acid derivative of the formula ##STR3## in which R.sub.1, R.sub.2, and B are as defined above, and a trihalogermaneX.sub.3 GeH (III)and then hydrolyzing the derivative (IV).Type: GrantFiled: February 10, 1984Date of Patent: April 1, 1986Inventor: Norihiro Kakimoto
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Patent number: 4554110Abstract: An improved process for the preparation of aromatic carbonates selected from aliphatic aromatic carbonates, diaromatic carbonates, and mixtures thereof comprising reacting a phenolic compound with a dialiphatic carbonate or an aliphatic aromatic carbonate in the presence of a catalytic amount of at least one catalyst selected from polymeric tin compounds containing recurring structural units represented by the general formula ##STR1## wherein: R is selected from monovalent hydrocarbon radicals; andR.sup.1 is selected from monovalent hydrocarbon radicals.Type: GrantFiled: December 27, 1983Date of Patent: November 19, 1985Assignee: General Electric CompanyInventor: Victor Mark
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Patent number: 4547320Abstract: Tin compounds, a process for the preparation thereof, a process for the preparation of a medicine using such a tin compound for the treatment of malignant tumors in mice as well as the shaped medicine thus obtained.This invention relates to novel tin compounds, a pharmaceutical composition using the novel compounds and methods for treating cancer using the pharmaceutical composition.Type: GrantFiled: September 13, 1982Date of Patent: October 15, 1985Assignee: Nederlandse Centrale Organisatie Voor Toegepast-Natuurwetenschappelijk OnderzoekInventors: Eric J. Bulten, Hendrik A. Budding