Acyclic Divalent Chalcogen Single Bonded Directly To The Ring Phosphorus (e.g., Cyclic Phosphites, Etc.) Patents (Class 558/85)
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Patent number: 8722595Abstract: The present invention provides a lubricating oil composition capable of achieving a lubricating property, a thermal stability, an oxidation stability, an anti-discoloring property and an anti-varnishing performance with a higher level by compounding a phosphorus compound having a specific structure in a base oil, as well as a lubricating oil composition for internal combustion engines which is excellent in wear resistance, high-temperature detergency and base number retention property although it has a low phosphorus content, a low sulfur content and a low sulfated ash content.Type: GrantFiled: September 18, 2009Date of Patent: May 13, 2014Assignee: Idemitsu Kosan Co., Ltd.Inventors: Hideki Kamano, Junichi Yagi, Hideto Kamimura
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Publication number: 20130143984Abstract: The invention relates to curable compositions which comprise epoxy resins, amino hardeners, and a phosphonate of the formula I. Addition of phosphonate of the formula I can give cured epoxy resins which have not only improved flame retardants but also an increased glass transition temperature when comparison is made with the corresponding resins without said addition.Type: ApplicationFiled: June 7, 2012Publication date: June 6, 2013Applicant: BASF SEInventors: Michael Henningsen, Achim Kaffee, Jean-Francois Stumbe, Manfred Doering, Alexander Schmidt, Lin Zang, Volker Altstaedt, Johannes Kraemer
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Publication number: 20120252943Abstract: A resin composition comprising an ethylene/vinyl alcohol copolymer and a phosphite compound. A method of producing a resin composition, comprising the step of mixing an ethylene/vinyl alcohol copolymer with a phosphite compound. A molded article obtained by heat-molding the above-described resin composition.Type: ApplicationFiled: December 15, 2010Publication date: October 4, 2012Inventor: Yoshikazu Kimura
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Patent number: 8097748Abstract: An amorphous compound of the formula (1): wherein the temperature showing an endothermic peak by differential scanning calorimetry (DSC) is 40 to 80° C. and the solution rate into n-hexane at 25° C. in the following test system is 1.5 mg/sec or more. <Test System Regarding Solution Rate> At 25° C., 1 g of a specimen is charged into a vessel containing 50 g of n-hexane (capacity: 100 ml, outer diameter: 55 mm, height: 70 mm), a 38 mm diameter fan type stirring blade is rotated at a revolution of 100 rpm, and the time until dissolution of the specimen is measured.Type: GrantFiled: April 2, 2010Date of Patent: January 17, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Kenji Kimura, Kazuhiro Kitamura, Hideaki Awa
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Patent number: 7883642Abstract: An antioxidant composition containing an antioxidant represented by the following formula (I) and a metal salt of fatty acid of a carbon number of 4 to 18, wherein a weight ratio of the antioxidant (I) and the metal salt of fatty acid is in a range of (100:0.1) to (100:200).Type: GrantFiled: November 16, 2006Date of Patent: February 8, 2011Assignee: Sumitomo Chemical Company, LimitedInventor: Kenji Kimura
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Patent number: 7728162Abstract: A novel process for preparing in a high purity and in a high yield phosphorus compounds having a phosphate-phosphonate bond within one molecule, along with only a small amount of a by-product, without being restricted by the kind of a phosphonate having an alcoholic hydroxyl group which is a raw material, without using a catalyst such as magnesium chloride, but only using a nitrogen-containing basic compound.Type: GrantFiled: October 18, 2005Date of Patent: June 1, 2010Assignee: Daihachi Chemical Industry Co., Ltd.Inventors: Kazuo Fujimoto, Sakiko Tanaka
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Patent number: 7098197Abstract: The present invention relates to phosphonate compounds, compositions containing them, processes for obtaining them, and their use for treating a variety of medical disorders, e.g., osteoporosis and other disorders of bone metabolism, cancer, viral infections, and the like.Type: GrantFiled: April 6, 2005Date of Patent: August 29, 2006Assignee: The Regents of the University of CaliforniaInventors: Karl Y. Hostetler, James R. Beadle, Ganesh D. Kini
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Patent number: 7094772Abstract: The present invention relates to phosphonate compounds, compositions containing them, processes for obtaining them, and their use for treating a variety of medical disorders, e.g., osteoporosis and other disorders of bone metabolism, cancer, viral infections, and the like.Type: GrantFiled: April 6, 2005Date of Patent: August 22, 2006Assignee: The Regents of the University of CaliforniaInventors: Karl Y. Hostetler, James R. Beadle, Ganesh D. Kini
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Patent number: 7081533Abstract: The present invention concerns novel unsymmetrical chiral diphosphines of a mixed aliphatic-aromatic type and processes for synthesizing them, complexes of these compounds and their use as catalysts.Type: GrantFiled: August 17, 2001Date of Patent: July 25, 2006Assignee: Degussa AGInventors: Boris E Bosch, Axel Monsees, Uwe Dingerdissen, Paul Knochel, Eike Hupe
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Patent number: 7057061Abstract: The present invention relates to catalysts comprising chiral monophosphorus compounds and their use, the chiral monophosphorus compounds themselves and also their precursors.Type: GrantFiled: September 27, 2002Date of Patent: June 6, 2006Assignee: Bayer AktiengesellschaftInventors: Claus Dreisbach, Benjamin Meseguer, Thomas Prinz, Ulrich Scholz, Hans-Christian Militzer, Friederike Agel, Birgit Drieβen-Hölscher
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Patent number: 7034014Abstract: The present invention relates to phosphonate compounds, compositions containing them, processes for obtaining them, and their use for treating a variety of medical disorders, e.g., osteoporosis and other disorders of bone metabolism, cancer, viral infections, and the like.Type: GrantFiled: January 15, 2004Date of Patent: April 25, 2006Assignee: The Regents of the University of CaliforniaInventors: Karl Y. Hostetler, James R. Beadle, Ganesh D. Kini
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Patent number: 6800778Abstract: The present invention provides a method of producing an optically active form of a compound represented by the formula (I) having a steroid C17,20-lyase inhibitory activity and is useful as an agent for the prophylaxis or treatment of prostatism, tumor such as breast cancer, and the like or a salt thereof, which method includes reacting a mixture of optically active compounds of a naphthalene derivative represented by the formula: wherein R is a nitrogen-containing heterocyclic group, R1 is a hydrogen atom, a hydrocarbon group or an aromatic heteromonocyclic group, R2 is a hydrogen atom or a lower alkyl group, * shows the position of an asymmetric carbon, R3, R4, R5, R6, R7, R8 and R9 are each independently a hydrogen atom, a hydrocarbon group, a hydroxy group, a thiol group, an amino group, a carbamoyl group, an acyl group or a halogen atom, and R7 is bonded with R6 or R8 to form, together with a carbon atom on a naphthalene ring, a 5 or 6-membered ring containing an oxygen atom, with an opType: GrantFiled: April 22, 2002Date of Patent: October 5, 2004Assignee: Takeda Chemical Industries, Ltd.Inventors: Isao Aoki, Mari Adachi, Mitsuru Kawada, Toru Yamano, Naohiro Taya
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Patent number: 6790928Abstract: 100 parts by weight of the polycarbonate produce by melt polycondensation of a carbonic acid diester and a dihydroxy compound and 0.0001 to 0.1 part by weight of a phosphite compound represented by following Formula (I) are formulated: wherein Rs are each one of a hydrogen atom, an alkyl group, an aryl group, and an oxyalkyl group, where the two Rs are not concurrently hydrogen atoms. The process of the invention can yield polycarbonate molding materials that have satisfactory hue and can be used in a wide variety of applications such for optical materials.Type: GrantFiled: March 18, 2003Date of Patent: September 14, 2004Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Shu Yoshida, Hiroaki Tanaka
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Patent number: 6756402Abstract: The invention relates to compounds of formula I in which R1, R2, E, X1, X2, and X3 have the meaning as described in the specification and claims, obtained by culturing Streptomyces species HAG 004107 (DSM 13381), and their physiologically tolerable salts and chemical equivalents. The invention furthermore relates to a process for the preparation of the cyclipostins, the microorganism HAG 004107 (DSM 13381), the use of the cyclipostins and their physiologically tolerable salts and chemical equivalents as pharmaceuticals, in particular as inhibitors of lipases, and pharmaceutical preparations which contain cyclipostin or a physiologically tolerable salt or equivalent thereof.Type: GrantFiled: June 22, 2001Date of Patent: June 29, 2004Assignee: Aventis Pharma Deutschland GmbHInventors: Laszlo Vertesy, Klaus Ehrlich, Michael Kurz, Joachim Wink
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Publication number: 20020193620Abstract: A process to produce organic phosphites from the group consisting of: 1Type: ApplicationFiled: June 12, 2002Publication date: December 19, 2002Applicant: General Electric Co.Inventor: Gary Vincent Marlin
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Patent number: 6440891Abstract: The catalyst comprises at least one bi- or more highly dentate phosphonite ligand of the general formula I or salts and mixtures thereof and is useful in a process for hydroformylating compounds containing at least one ethylenically unsaturated double bond by reaction with carbon monoxide and hydrogen.Type: GrantFiled: August 29, 2000Date of Patent: August 27, 2002Assignee: BASF AktiengesellschaftInventors: Heiko Maas, Rocco Paciello, Michael Röper, Jakob Fischer, Wolfgang Siegel
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Patent number: 6426429Abstract: A process to produce organic phosphites from the group consisting of: wherein each R1 , R2, and R3 is independently selected from the group consisting of hydrogen, methyl, ethyl, n-propyl, iso-propyl, n-butyl, t-butyl, t-amyl, t-hexyl, cyclohexyl, cumyl, t-pentyl, and t-octyl; and wherein each R1, R2, and R3 is independently selected from the group consisting of hydrogen, methyl, ethyl, n-propyl, iso-propyl, n-butyl, t-butyl, t-amyl, t-hexyl, cyclohexyl, cumyl, t-pentyl, and t-octyl and each R4 and R5 is independently selected from the group consisting of hydrogen, methyl, ethyl, n-propyl, iso-propyl, n-butyl, t-butyl, t-amyl, t-hexyl, cyclohexyl, cumyl, t-pentyl, and t-octyl using a metal phenolate where each R1, R2, and R3 is independently selected from the group consisting of hydrogen, methyl, ethyl, n-propyl, iso-propyl, n-butyl, t-butyl, t-amyl, t-hexyl, cyclohexyl, cumyl, t-pentyl, and t-octyl, and Q is a metal cation having a valence x, i.e.Type: GrantFiled: August 11, 2000Date of Patent: July 30, 2002Assignee: General Electric CompanyInventor: Gary Vincent Marlin
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Patent number: 6310260Abstract: This invention relates to a process for separating one or more organophosphorus ligand degradation products, one or more reaction byproducts and one or more products from a continuously generated reaction product fluid comprising one or more unreacted reactants, a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, said one or more organophosphorus ligand degradation products, said one or more reaction byproducts, said one or more products, one or more polar solvents and one or more nonpolar solvents by phase separation wherein (i) the selectivity of the polar phase for the organophosphorus ligand with respect to the one or more products is expressed by a partition coefficient ratio Ef1 which is a value greater than about 2.5, (ii) the selectivity of the polar phase for the organophosphorus ligand with respect to the one or more organophosphorus ligand degradation products is expressed by a partition coefficient ratio Ef2 which is a value greater than about 2.Type: GrantFiled: March 15, 2000Date of Patent: October 30, 2001Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: John Nicholas Argyropoulos, Jeffrey Scott Kanel, Michael Leo Tulchinsky, David James Miller, Donald Lee Morrison, Paul Foley, David Robert Bryant, Ailene Gardner Phillips, Brian Michael Roesch, John Robert Briggs, Max Min Lee, John Michael Maher
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Patent number: 6307108Abstract: This invention relates to a process for separating one or more organophosphorus ligand degradation products, one or more reaction byproducts and one or more formylester products from a reaction product fluid comprising one or more unreacted unsaturated ester reactants, a metal-organophoshorus ligand complex catalyst, optionally free organophosphorus ligand, said one or more organophosphorus ligand degradation products, said one or more reaction byproducts, said one or more products, a nonpolar solvent and a polar solvent by phase separation wherein (i) the selectivity of the nonpolar phase for the organophosphorus ligand with respect to the one or more products is expressed by a partition coefficient ratio Ef1 which is a value greater than about 2.5 (ii) the selectivity of the nonpolar phase for the organophosphorus ligand with respect to the one or more organophosphorus ligand degradation products is expressed by a partition coefficient ratio Ef2 which is a value greater than about 2.Type: GrantFiled: March 15, 2000Date of Patent: October 23, 2001Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: John Nicholas Argyropoulos, Jeffrey Scott Kanel, Michael Leo Tulchinsky, David James Miller, Donald Lee Morrison, Paul Foley, David Robert Bryant
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Patent number: 6307109Abstract: This invention relates to a process for separating one or more products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, said one or more products, one or more nonpolar reaction solvents and one or more polar reaction solvents, in which said reaction product fluid exhibits phase behavior depicted by FIG. 1, wherein said process comprises (1) supplying said reaction product fluid from a reaction zone to a separation zone, (2) controlling concentration of said one or more nonpolar reaction solvents and said one or more polar reaction solvents, temperature and pressure in said separation zone sufficient to obtain by phase separation two immiscible liquid phases depicted by regions 2, 4 and 6 of FIG. 1 comprising a polar phase and a nonpolar phase and to prevent or minimize formation of three immiscible liquid phases depicted by region 5 of FIG. 1 and one homogeneous liquid phase depicted by regions 1, 3 and 7 of FIG.Type: GrantFiled: March 15, 2000Date of Patent: October 23, 2001Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Jeffrey Scott Kanel, David Robert Bryant, Brian Michael Roesch, Ailene Gardner Phillips
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Patent number: 6307110Abstract: This invention relates to a process for separating one or more organophosphorus ligand degradation products, one or more reaction byproducts and one or more products from a continuously generated reaction product fluid comprising one or more unreacted reactants, a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, said one or more organophosphorus ligand degradation products, said one or more reaction byproducts, said one or more products, one or more nonpolar solvents and one or more polar solvents by phase separation wherein (i) the selectivity of the nonpolar phase for the organophosphorus ligand with respect to the one or more products is expressed by a partition coefficient ratio Ef1which is a value greater than about 2.5, (ii) the selectivity of the nonpolar phase for the organophosphorus ligand with respect to the one or more organophosphorus ligand degradation products is expressed by a partition coefficient ratio Ef2 which is a value greater than about 2.Type: GrantFiled: March 15, 2000Date of Patent: October 23, 2001Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: John Nicholas Argyropoulos, Jeffrey Scott Kanel, Michael Leo Tulchinsky, David James Miller, Donald Lee Morrison, Paul Foley, David Robert Bryant, Ailene Gardner Phillips, Brian Michael Roesch, John Robert Briggs, Max Min Lee, John Michael Maher
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Patent number: 6303830Abstract: This invention relates to a process for separating one or more organophosphorus ligand degradation products, one or more reaction byproducts and one or more formylester products from a reaction product fluid comprising one or more unreacted unsaturated ester reactants, a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, said one or more organophosphorus ligand degradation products, said one or more reaction byproducts, said one or more products, a polar solvent and a nonpolar solvent by phase separation wherein(i) the selectivity of the polar phase for the organophosphorus ligand with respect to the one or more products is expressed by a partition coefficient ratio Ef1 which is a value greater than about 2.5, (ii) the selectivity of the polar phase for the organophosphorus ligand with respect to the one or more organophosphorus ligand degradation products is expressed by a partition coefficient ratio Ef2 which is a value greater than about 2.Type: GrantFiled: March 15, 2000Date of Patent: October 16, 2001Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: John Nicholas Argyropoulos, Jeffrey Scott Kanel, Michael Leo Tulchinsky, David James Miller, Donald Lee Morrison, Paul Foley, David Robert Bryant
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Patent number: 6303829Abstract: This invention relates to a process for separating one or more products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, said one or more products, one or more nonpolar reaction solvents and one or more polar reaction solvents, wherein said process comprises (1) subjecting said reaction product fluid to fractional countercurrent extraction with at least two immiscible extraction solvents, said at least two immiscible extraction solvents comprising at least one nonpolar extraction solvent and at least one polar extraction solvent, to obtain a nonpolar phase comprising said metal-organophosphorus ligand complex catalyst, said optionally free organophosphorus ligand, said one or more nonpolar reaction solvents and said at least one nonpolar extraction solvent and a polar phase comprising said one or more products, said one or more polar reaction solvents and said at least one polar extraction solvent, and (2) recovering said polarType: GrantFiled: March 15, 2000Date of Patent: October 16, 2001Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Jeffrey Scott Kanel, John Nicholas Argyropoulos, Ailene Gardner Phillips, Brian Michael Roesch, John Robert Briggs, Max Min Lee, John Michael Maher, David Robert Bryant
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Patent number: 6294700Abstract: This invention relates to a process for separating one or more products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, said one or more products, one or more polar reaction solvents and one or more nonpolar reaction solvents, wherein said process comprises (1) subjecting said reaction product fluid to fractional countercurrent extraction with at least two immiscible extraction solvents, said at least two immiscible extraction solvents comprising at least one polar extraction solvent and at least one nonpolar extraction solvent, to obtain a polar phase comprising said metal-organophosphorus ligand complex catalyst, said optionally free organophosphorus ligand, said one or more polar reaction solvents and said at least one polar extraction solvent and a nonpolar phase comprising said one or more products, said one or more nonpolar reaction solvents and said at least one nonpolar extraction solvent, and (2) recovering said nonpoType: GrantFiled: March 15, 2000Date of Patent: September 25, 2001Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Jeffrey Scott Kanel, John Nicholas Argyropoulos, Ailene Gardner Phillips, Brian Michael Roesch, John Robert Briggs, Max Min Lee, John Michael Maher, David Robert Bryant
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Patent number: 6294680Abstract: A process has been provided to produce semi synthetic statins, as for instance simvastatin with a high yield, for another statin, preferably a naturally occurring statin, as for instance lovastatin. Also a number of novel intermediate compounds, prepared during said process, has been provided.Type: GrantFiled: January 5, 2000Date of Patent: September 25, 2001Assignee: Plus Chemicals, B.V.Inventors: Ton Rene Vries, Hans Wijnberg, Wijnand Sjourd Faber, Venetka Ivanova Kalkman-Agayn, Mieke Ivanova Sibeyn
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Patent number: 5962744Abstract: A process comprising subjecting at least one compound containing at least one carbon--carbon double bond or at least one carbon--carbon triple bond, hydrogen and carbon monoxide, to a hydrocarbonylation reaction in supercritical carbon dioxide, in the presence of a Group VIII transition metal catalyst precursor, and a phosphite ligand.Type: GrantFiled: March 27, 1998Date of Patent: October 5, 1999Assignees: The Research Foundation of State University of New York, Mitsubishi Chemical CorporationInventors: Iwao Ojima, Hisao Urata
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Patent number: 5952530Abstract: This invention relates to a process for separating one or more products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, a nonpolar solvent and said one or more products, wherein said process comprises (1) mixing said reaction product fluid with a polar solvent to obtain by phase separation a non-polar phase comprising said metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand and said nonpolar solvent and a polar phase comprising said one or more products and polar solvent, and (2) recovering said polar phase from said nonpolar phase; wherein said organophosphorus ligand has a partition coefficient between the nonpolar solvent and the polar solvent of greater than about 5, and said one or more products have a partition coefficient between the polar solvent and the nonpolar solvent of greater than about 0.5.Type: GrantFiled: February 2, 1998Date of Patent: September 14, 1999Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: John N. Argyropoulos, David Robert Bryant, Donald Lee Morrison, Kenneth Elwood Stockman
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Patent number: 5932772Abstract: This invention relates to a process for separating one or more products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, a polar solvent and said one or more products, wherein said process comprises (1) mixing said reaction product fluid with a nonpolar solvent to obtain by phase separation a polar phase comprising said metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand and said polar solvent and a nonpolar phase comprising said one or more products and nonpolar solvent, and (2) recovering said nonpolar phase from said polar phase; wherein said organophosphorus ligand has a partition coefficient between the polar solvent and the nonpolar solvent of greater than about 10, and said one or more products have a partition coefficient between the nonpolar solvent and the polar solvent of greater than about 0.5.Type: GrantFiled: February 2, 1998Date of Patent: August 3, 1999Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: John N. Argyropoulos, David Robert Bryant, Donald Lee Morrison, Kenneth Elwood Stockman, Anthony George Abatjoglou
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Patent number: 5891939Abstract: Phosphites inhibitors for organic material represented by the formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.4 and R.sup.5 independently represent hydrogen atom, an alkyl group, a cycloalkyl group, an alkylcycloalkyl group, an aralkyl group or a phenyl group; R.sup.3 is hydrogen atom or alkyl; X is a direct bond, sulfur atom, or methylene group which may optionally be substituted with alkyl or cycloalkyl; A represents a dihydric alcohol residue; B is a direct bond or alkylene; and one of Y and Z represents an alkoxy group or an aralkyloxy group, and the other one represents hydrogen atom or an alkyl group; and a process for producing the same are provided.Type: GrantFiled: August 6, 1997Date of Patent: April 6, 1999Assignee: Sumitomo Chemical Company, LimitedInventors: Taketoshi Kikuchi, Naoki Inui, Kanako Fukuda, Takashi Sanada
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Patent number: 5889095Abstract: A phosphite stabilizer for organic material is represented by the formula (1): ##STR1## wherein R.sup.1, R.sup.2, R.sup.4 and R.sup.5 is hydrogen, alkyl, cycloalkyl, alkyl, cycloalkyl, aralkyl or phenyl; R is hydrogen or alkyl; X is a direct bond, sulfur atom or a --CHR.sup.6 group in which R.sup.6 represents hydrogen, alkyl or cycloalkyl; A is an alkylene group having 2 to 8 carbon atoms or *--COR.sup.7 -- in which R.sup.7 is a direct bond or alkyl group, and * represents the bond to the oxygen atom of the phenoxy radical; and one of Y and Z represents a hydroxyl group, an alkoxy group or an aralkoxy group and the other one represents atom or an alkyl group.Type: GrantFiled: August 4, 1997Date of Patent: March 30, 1999Assignee: Sumitomo Chemical Company, Ltd.Inventors: Naoki Inui, Taketoshi Kikuchi, Kanako Fukuda, Takashi Sanada
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Patent number: 5874494Abstract: Phosphites which are useful as a deterioration inhibitor for organic material and are represented by the following formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.5 and R.sup.6 represent a hydrogen atom, an alkyl group, a cycloalkyl group, an alkylcycloalkyl group, an aralkyl group or a phenyl group;R.sup.3 represents hydrogen atom or an alkyl group;R.sup.4 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an alkylcycloalkyl group, an aralkyl group or a phenyl group, or the two R.sup.4 together form a direct bond, a group represented by --S-- or an optionally substituted methylene group;A represents an alkylene group;W represents a group represented by --O-- or a group represented by --NR.sup.7wherein R.sup.7 represents a hydrogen atom, an alkyl group, etc.;B represents an alkylene group;and one of Y and Z represents a hydroxyl group, an alkoxy group or an aralkyloxy group, and the other one represents hydrogen atom or an alkyl group.Type: GrantFiled: August 26, 1997Date of Patent: February 23, 1999Assignee: Sumitomo Chemical Company, LimitedInventors: Naoki Inui, Taketoshi Kikuchi, Kanako Fukuda, Takashi Sanada
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Patent number: 5843339Abstract: Phosphites represented by the general formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.4 and R.sup.5 independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, an alkylcycloalkyl group having 6 to 12 carbon atoms, an aralkyl group having 7 to 12 carbon atoms or a phenyl group; R.sup.3 and R.sup.6 independently represent a hydrogen atom or an alkyl group having 1 to 8 carbon atoms; X.sub.1 is a dihydric alcohol residue, wherein HO--X.sub.1 --OH defines the corresponding dihydric alcohol from which residue X.sub.1, is obtained; and X.sub.2 is a direct bond or an alkylene group having 1 to 8 carbon atoms; and the phosphites are useful as stabilizers for organic materials.Type: GrantFiled: October 1, 1996Date of Patent: December 1, 1998Assignee: Sumitomo Chemical Company, LimitedInventors: Kanako Fukuda, Naoki Inui
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Patent number: 5830936Abstract: Phosphites which are a deterioration inhibitors for organic material represented by the formula: ##STR1## wherein R.sup.1 and R.sup.2 independently represent a hydrogen atom, or certain hydrocarbyl radicals; X represents a direct bond, a sulfur atom or a methylene group which may optionally be substituted; Z is --A.sup.1 --CO--O--Y.sup.1 or --A.sup.2 --O--CO--Y.sup.2 wherein A.sup.1 is a direct bond or an alkylene group; Y.sup.1 is aralkyl or aryl; A.sup.2 is a residue of a dihydric alcohol; and Y.sup.2 is alkyl, aralkyl or a phenyl group, and a process for producing the same are provided.Type: GrantFiled: August 22, 1997Date of Patent: November 3, 1998Assignee: Sumitomo Chemical Company, LimitedInventors: Taketoshi Kikuchi, Naoki Inui, Kanako Fukuda, Takashi Sanada
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Patent number: 5786497Abstract: A process for producing organo-phosphites is described that involves heating a di-substituted phosphorohalidite, a phenolic compound, and a polymeric amine. An especially useful polymeric amine is N,N,N'N'-tetraethyl-1,3-propanediamine. Conversions in excess of about 97% are obtained.Type: GrantFiled: August 29, 1997Date of Patent: July 28, 1998Assignee: General Electric CompanyInventors: James A. Mahood, Matthew S. Scott
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Patent number: 5736599Abstract: A diphosphite is provided derived from phosphorous trihalide, tetra alkyl hindered bisphenol, and a neoalkyl diol. The phosphites exhibit improved stability and are useful as thermal oxidative stabilizers for thermoplastic compositions.Type: GrantFiled: December 31, 1996Date of Patent: April 7, 1998Assignee: General Electric CompanyInventor: James A. Mahood
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Patent number: 5677432Abstract: A compound useful for forming immunoconjugates used in the detection of organophosphate pesticides is provided. The compound has the formula ##STR1## wherein X is selected from the group consisting of R--O--, R--S-- and R--NH--, where R is an optionally substituted aromatic or heterocyclic group, or an optionally substituted alkyl or alkenyl group;Y is O or S;R.sup.1 is H or alkyl; andR.sup.2 is a group of the formula --(CH.sub.2).sub.n -- wherein n is an integer of from 1 to 10, or branched chain alkylene, or a group of the formula R.sup.3 --O--R.sup.4 wherein R.sup.3 and R.sup.4 are both or straight or branched chain alkylene;or a salt or ester thereof.Type: GrantFiled: August 19, 1994Date of Patent: October 14, 1997Assignee: The Horticulture and Food Research Institute of New Zealand LimitedInventors: William Thomas Jones, Hans Wynberg, Wolter Ten Hoeve
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Patent number: 5623009Abstract: A phosphite is provided having the formula: ##STR1## wherein Y.sup.1 is an alkyl group and Y.sup.2 is selected from the group consisting of sec-butyl and tert-butyl. The phosphite exhibits enhanced stability including hydrolytic and UV stability, and is useful in stabilizing thermoplastic compositions.Type: GrantFiled: April 3, 1995Date of Patent: April 22, 1997Assignee: General Electric CompanyInventor: James A. Mahood
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Patent number: 5618961Abstract: A diphosphite is provided derived from phosphorous trihalide, tetra alkyl hindered bisphenol, and a neoalkyl diol. The phosphites exhibit improved stability and are useful as thermal oxidative stabilizers for thermoplastic compositions.Type: GrantFiled: October 5, 1995Date of Patent: April 8, 1997Assignee: General Electric CompanyInventor: James A. Mahood
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Patent number: 5618962Abstract: A diphosphite is provided derived from phosphorous trihalide, tetra alkyl hindered bisphenol, and a neoalkyl diol. The phosphites exhibit improved stability and are useful as thermal oxidative stabilizers for thermoplastic compositions.Type: GrantFiled: October 5, 1995Date of Patent: April 8, 1997Assignee: General Electric CompanyInventor: James A. Mahood
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Patent number: 5600032Abstract: A method for producing an unsaturated alcohol having a chain structure formed by oligomerization of a conjugated alkadiene, which comprises reacting a conjugated alkadiene and water in the presence of carbon dioxide by means of a palladium compound and a phosphorus compound having at least one trivalent phosphorus-oxygen single bond, as catalyst.Type: GrantFiled: June 7, 1995Date of Patent: February 4, 1997Assignee: Mitsubishi Chemical CorporationInventors: Keiichi Sato, Yoko Seto, Iwao Nakajima
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Patent number: 5576365Abstract: An organic phosphorus compound represented by the following formula (I): ##STR1## wherein R.sup.1 and R.sup.2 independently represent alkyl having 1-8 carbon atoms, cycloalkyl having 5-8 carbon atoms, alkylcycloalkyl having 6-12 carbon atoms, arylalkyl having 7-12 carbon atoms or phenyl; R.sup.3 represents hydrogen or alkyl having 1-8 carbon atoms, X represents a direct bond or --CH(R.sup.4)-- wherein R.sup.4 represents hydrogen or alkyl having 1-8 carbon atoms; a phosphorus type stabilizer for various organic materials such as synthetic resins or synthetic rubbers or an organic material composition comprising the same.Type: GrantFiled: May 19, 1995Date of Patent: November 19, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Kanako Fukuda, Tetsuo Yamaguchi, Shinya Tanaka, Manji Sasaki
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Patent number: 5523448Abstract: A diphosphite is provided derived from phosphorous trihalide, tetra alkyl hindered bisphenol, and a neoalkyl diol. The phosphites exhibit improved stability and are useful as thermal oxidative stabilizers for thermoplastic compositions.Type: GrantFiled: July 22, 1993Date of Patent: June 4, 1996Assignee: General Electric CompanyInventor: James A. Mahood
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Patent number: 5464889Abstract: Neoalkyl phosphite provided which exhibit improved levels of stability. The phosphites are hindered and are useful in stabilizing thermoplastic compositions.Type: GrantFiled: August 3, 1994Date of Patent: November 7, 1995Assignee: General Electric CompanyInventor: James A. Mahood
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Patent number: 5451623Abstract: Neoalkyl alkylidene-2,2'-bisphenyl phosphite esters are provided. The phosphites exhibit enhanced thermal and hydrolytic stability, and are useful as additives in thermoplastic resin compositions to enhance the thermal oxidative stability thereof.Type: GrantFiled: August 17, 1994Date of Patent: September 19, 1995Assignee: General Electric CompanyInventors: James A. Mahood, Carloss L. Gray
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Patent number: 5424348Abstract: A phosphite is provided having the formula: ##STR1## wherein Y.sup.1 is an alkyl group and Y.sup.2 is selected from the group consisting of sec-butyl and tert-butyl. The phosphite exhibits enhanced stability including hydrolytic and UV stability, and is useful in stabilizing thermoplastic compositions.Type: GrantFiled: September 16, 1994Date of Patent: June 13, 1995Assignee: General Electric CompanyInventor: James Mahood
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Patent number: 5414033Abstract: Novel compounds of the formula I and formula II ##STR1## in which R and R.sub.1, independently of one another, are hydrogen or C.sub.1 -C.sub.4 alkyl or together with the carbon atom to which they are attached form a 3,4-dehydrocyclohexylidene ring,R.sub.2 is hydrogen, C.sub.1 -C.sub.8 alkyl or C.sub.5 -C.sub.6 cycloalkyl,R.sub.3 is C.sub.1 -C.sub.8 alkyl or C.sub.5 -C.sub.6 cycloalkyl,R.sub.4, R.sub.5 and R.sub.6, independently of one another, are hydrogen or C.sub.1 -C.sub.4 alkyl, when alkyl, R.sub.4, R.sub.5 and R.sub.6 together containing 1 to 4 carbon atoms, andR.sub.7 and R.sub.8 are hydrogen or together an additional direct bond, are described for use as stabilizers for organic materials against thermal, oxidative or light-induced degradation.Type: GrantFiled: October 15, 1993Date of Patent: May 9, 1995Assignee: Ciba-Geigy CorporationInventor: Peter Nesvadba
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Patent number: 5362898Abstract: A bis(pentaerythritol phosphate alcohol) alkylphosphonate compound, such as one comprising an alkyl group of from about one to four carbon atoms, preferably bis(pentaerythritol phosphate alcohol) methylphosphonate, is a flame retardant compound. Such a compound can be prepared by the transesterification of a diphenyl alkyl phosphonate carrying the desired alkyl group with pentaerythritol phosphate alcohol. An alternative process of preparation comprises the reaction of pentaerythritol phosphate alcohol, a trialkylamine, and an alkylphosphonic dihalide.Type: GrantFiled: November 22, 1993Date of Patent: November 8, 1994Assignee: Akzo Nobel nvInventor: Jeffrey E. Telschow
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Patent number: 5308902Abstract: Biphosphites of formula I ##STR1## wherein m is 0, 1 or 2,n is 1 to 4 or 6,R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl and, if m=2, the radicals R.sub.1 are identical or different, and A is the radical of an at least n-hydric alcohol or phenol, which radical is attached to the P atom or atoms through the alcoholic or phenolic O atom or atoms, obtainable by reacting a compound of formula II ##STR2## wherein m is 0, 1 or 2, R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl and, if m=2, the radicals R.sub.1 are identical or different and R.sub.2 ' is phenyl, C.sub.1 -C.sub.12 alkylphenyl or C.sub.1 -C.sub.4 alkyl, with a polyether polyol or polyether/ester polyol, the hydroxy functions of said polyether polyol or polyether/ester polyol being partially or completely esterified with the ##STR3## are suitable for use as stabilizers, especially processing stabilizers, for organic polymers, preferably PVC resins, high density polyethylene and propylene.Type: GrantFiled: May 14, 1992Date of Patent: May 3, 1994Assignee: Ciba-Geigy CorporationInventors: Holger Andreas, Alfred Renner, Horst Zinke
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Patent number: 5210259Abstract: A process for the preparation of diesters of carboxymethylphosphonic acid of the formula: (RO).sub.2 P(O)CH.sub.2 CO.sub.2 H, in which R is a straight-chain or branched alkyl radical having 1 to 20 carbon atoms, a cycloaliphatic radical having 5 to 8 carbon atoms, a phenyl or naphthyl radical which can be substituted, an aralkyl radical having 7 to 10 carbon atoms, or in which the (RO).sub.2 P group forms a ring having 2 to 5 carbon atoms which can be substituted, characterized in that dialkyl ester of 2-hydroxyethylphosphonic acid of the formula (RO).sub.2 P(O)CH.sub.2 CH.sub.2 OH, in which R has the abovementioned meaning, is reacted with oxygen in the presence of water and a catalyst which contains at least one metal selected from the platinum metals group.Type: GrantFiled: May 22, 1992Date of Patent: May 11, 1993Assignee: Hoechst AktiengesellschaftInventors: Ernst I. Leupold, Gunter Roscher
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Patent number: 5142083Abstract: Hydrolytically stable phosphite compositions for melt flow and color stabilization of thermoplastics may be prepared from crude tetrahydroabietyl alcohol. The phosphites may be prepared by reacting said alcohol with an organophosphite, such as by transesterification. Other synthesis techniques may also be used.Type: GrantFiled: July 16, 1991Date of Patent: August 25, 1992Assignee: General Electric CompanyInventor: William P. Enlow