Plural Carbons Bonded Directly To The Phosphorus Patents (Class 556/20)
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Patent number: 5234716Abstract: The invention relates to the use of stabilised organometallic adduct compounds for the production of thin films and epitaxic layers by gas phase deposition.Type: GrantFiled: September 6, 1991Date of Patent: August 10, 1993Assignee: Merck Patent Gesellschaft mit Beschraenkter HaftungInventors: Martin Hostalek, Matthias Lokai, Ludwig Pohl
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Patent number: 5206398Abstract: Chiral 2,5-disubstituted phospholanes useful as transition metal ligands in asymmetric catalysis and processes for their preparation are disclosed.Type: GrantFiled: June 26, 1992Date of Patent: April 27, 1993Assignee: E. I. Du Pont de Nemours and CompanyInventor: Mark J. Burk
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Patent number: 5206399Abstract: 2,2'-Bis(diphenylphosphino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl represented by formula (I). ##STR1## is disclosed. A transition metal complex containing the same, a process for producing 2,2'-Bis(diphenylphosphino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl, and a process for producing 2,2'-bis(diphenylphosphinyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl are also disclosed.Type: GrantFiled: October 1, 1991Date of Patent: April 27, 1993Assignee: Takasago International CorporationInventors: Noboru Sayo, Hidenori Kumobayashi
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Patent number: 5202493Abstract: Chiral tridentate bis(phospholanes) which coordinate as ligands in a meridinal fashion on an octahedral metal or which coordinate in square-planar environments are provided with a method for their preparation.Type: GrantFiled: April 26, 1991Date of Patent: April 13, 1993Assignee: E. I. Du Pont de Nemours and CompanyInventor: Mark J. Burk
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Patent number: 5196554Abstract: In a process for the preparation of bis(hydroxymethyl)phosphinates of the formulaM.sup.n+ [(HOCH.sub.2).sub.2 PO.sub.2.sup.- ].sub.nin which M is Li, Na, K, Ca, Mg, Zn or Al, and n is the valency of the element concerned and has a value of 1, 2 or 3, phosphinates of the formula M.sup.n+ [H.sub.2 PO.sub.2.sup.- ].sub.n are reacted with formaldehyde, trioxane or paraformaldehyde in water in an autoclave at a temperature of from 100.degree. to 200.degree. C. under the autogenous pressure at a residence time of from 5 to 20 hours. The novel chemical substance aluminum bis(hydroxymethyl)phosphinate of the formula Al[(HOCH.sub.2).sub.2 PO.sub.2.sup.- ].sub.3 is also obtainable in this way.Type: GrantFiled: May 3, 1991Date of Patent: March 23, 1993Assignee: Hoechst AktiengesellschaftInventor: Jurgen Svara
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Patent number: 5149853Abstract: In a process for the production of thin films and epitaxial layers by gas-phase deposition, intramolecularly stabilized organometallic compounds are employed as a source of metal.Type: GrantFiled: November 8, 1991Date of Patent: September 22, 1992Assignee: Merck Patent Gesellschaft mit beschraenkter HaftungInventors: Dietrich Erdmann, Max E. Van Ghemen, Ludwig Pohl, Herbert Schumann, Uwe Hartmann, Wilfried Wassermann, Meino Heyen, Holger Jurgensen
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Patent number: 5147572Abstract: The present invention relates to improved flotation composition comprising a mixture of (A) at least one metal salt of a phosphorus acid represented by the Formula: ##STR1## wherein each R.sub.1 is independently a hydrocarbyl, hydrocarbyloxy of hydrocarbylthio group having from 1 to about 18 carbon atoms, each X is independently oxygen or sulfur, and the lowest oxidation state of the metal is plus two, and (B) at least one dithiocarbamate represented by the formula: ##STR2## wherein each R.sub.2 is independently hydrogen, a hydrocarbyl group having from 1 to about 18 carbon atoms, or R.sub.2 taken together with R.sub.3 and the nitrogen atom form a five, six or seven member heterocyclic group; each R.sub.3 is independently a hydrocarbyl group having from 1 to about 18 carbon atoms, or R.sub.3 taken together with R.sub.2 and the nitrogen atom form a five, six or seven member heterocyclic group; and R.sub.4 is a hydrocarbylene group having from 1 to about 10 carbon atoms.Type: GrantFiled: October 11, 1991Date of Patent: September 15, 1992Assignee: The Lubrizol CorporationInventor: James H. Bush
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Patent number: 5145819Abstract: The novel metallocenes of the formula I ##STR1## in which, preferably, M.sup.1 is Zr or Hf, R.sup.1 and R.sup.2 are alkyl or halogen, R.sup.3 and R.sup.4 are hydrogen, R.sup.5 and R.sup.6 are alkyl or haloalkyl, --(CR.sup.8 R.sup.9).sub.m --R.sup.7 --(CR.sup.8 R.sup.9).sub.n -- is a single- or multi-membered chain in which R.sup.7 may also be a (substituted) hetero atom, and m+n is zero or 1, form, together with aluminoxanes as cocatalysts, a very effective catalyst system for the preparation of polyolefins of high molecular weight.Type: GrantFiled: November 8, 1991Date of Patent: September 8, 1992Assignee: Hoechst AktiengesellschaftInventors: Andreas Winter, Martin Antberg, Walter Spaleck, Jurgen Rohrmann, Volker Dolle
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Patent number: 5144050Abstract: Ru(BINAP) diketonate complexes manifest asymmetric hydrogenation catalytic activity with high reaction and conversion rates.Type: GrantFiled: October 1, 1991Date of Patent: September 1, 1992Assignee: Monsanto CompanyInventors: Albert S. C. Chan, Scott A. Laneman
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Patent number: 5120868Abstract: A catalyst system for the selective production of isoprenylalkylethers from isoprene is described, characterized by satisfying the following empirical formulaPdLxL.sup.' ywhereL is a phosphorated binder in the form of an organic derivative of trivalent phosphorus of type R3P or R2P[CH(R)]zPR2, in which the substituents R, which can be identical or different, are either hydrogen atoms or alkyl, cycloalkyl, aryl, alkoxy, aryloxy, arylthio or arylalkyl groups, and in which z is a whole number between 1 and 5;L.sup.' is an easily displaceable binder chosen from dienes, olefins, anhydrides, diketones and nitriles;x is a whole number between 0 and 4 and y is a whole number between 0 and 3,in which system excess phosphorated compounds of R3P or R2P[CH(R)]zPR2 type may or may not be present.Type: GrantFiled: March 28, 1991Date of Patent: June 9, 1992Assignee: Snamprogetti S.p.A.Inventors: Renata Patrini, Mario Marchionna, Massimo Lami, Francesco Ancillotti
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Patent number: 5118824Abstract: The invention relates to platinum hydrides, a process for their preparation and their use as components of catalytic systems. The platinum hydrides have a bridged bimetallic structure represented by the general formula: ##STR1## wherein: M is a metal of valence n, at least equal to 2,X is a halogen atom, andP P is a schematic representation of a ligand of the general formula: ##STR2## in which: R.sub.1, R.sub.2, R.sub.5, and R.sub.6, identical or different, are chosen from among aliphatic or cycloaliphatic hydrocarbon radicals with 1 to 8 carbon atoms and aromatic hydrocarbon radicals with 6 to 10 carbon atoms,R.sub.3 and R.sub.4, identical or different, are chosen from among a hydrogen atom and aliphatic hydrocarbon radicals with 1 to 8 carbon atoms, possibly functionalized and/or together forming a ring, andm is an integer higher than or equal to 4.Type: GrantFiled: February 6, 1991Date of Patent: June 2, 1992Assignee: AtochemInventors: Eric Paumard, Andre Mortreuz, Francis Petit
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Patent number: 5099044Abstract: The invention relates to organometallic compounds which are intramolecularly stabilized, and also to their use for the production of thin films and epitaxial layers by gas-phase deposition.Type: GrantFiled: July 16, 1990Date of Patent: March 24, 1992Assignee: Merck Patent Gesellschaft mit Beschrankter HaftungInventors: Dietrich Erdmann, Ludwig Pohl, Martin Hostalek
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Patent number: 5089643Abstract: Preparation of the novel monomeric compounds of the formula (t-Bu).sub.2 t-Bu).sub.2, where M is Ga, Al, or In and E is As, P, Sb, or N, by reaction of (t-Bu).sub.2 MCl and LiE(t-Bu).sub.2. The resulting product (t-Bu).sub.2 ME(t-Bu).sub.2 can be pyrolyzed to form crystalline films of the metallic material, ME.Type: GrantFiled: April 29, 1991Date of Patent: February 18, 1992Assignee: The United States of America as represented by the Secretary of the NavyInventor: Kelvin T. Higa
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Patent number: 5081091Abstract: A catalyst for addition polymerization comprising(a) an (initiator) first component comprising a plurality of atoms M as hereinafter defined, each in a moiety of formula (I):MX(Y.sub.n)Z.sub.p (I)whereinM is Si, Ge or Snn is 0 or an integer, and p is an integer such that (n+p)=3;X is a diradical ##STR1## bound via Q to M whereQ is N, P, As or P(=T)G.D where T is O or S and G and D are each independently a bond, O or S,R.sup.1 is optionally substituted hydrocarbyl, or, when Q is P, M(Y.sub.n)Z.sub.p as herein defined,R.sup.2 is optionally substituted hydrocarbadiyl, orR.sup.1 and R.sup.2 together are hydrocarbatriyl,all such R.sup.1 and R.sup.2 being inert in the conditions of the process of the present invention; andR.sup.2 being linked directly or indirectly to any group as defined for X, or an organic radical comprising further moieties of formula (I), or one or more M(Y.sub.Type: GrantFiled: June 25, 1990Date of Patent: January 14, 1992Assignee: Imperial Chemical Industries PLCInventors: Denis G. H. Ballard, Anthony Pickering, Peter J. I. Runciman, Rowena J. Sellens, Nicholas J. Walton
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Patent number: 5075466Abstract: Preparation of the novel monomeric compounds of the formula (t-Bu).sub.2 t-Bu).sub.2, where M is Ga, Al, or In and E is As, P, Sb, or N, by reaction of (t-Bu).sub.2 MCl and LiE(t-Bu).sub.2. The resulting product (t-Bu).sub.2 ME(t-Bu).sub.2 can be pyrolyzed to form crystalline films of the metallic material, ME.Type: GrantFiled: April 29, 1991Date of Patent: December 24, 1991Assignee: The United States of America as represented by the Secretary of the NavyInventor: Kelvin T. Higa
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Patent number: 5057618Abstract: New complexes of the elements of Groups VIIA, VIIIA, and IB of the Periodic Table* with the trisodium salt of tris(m-sulfophenyl)phosphane as a complex ligand. The complexes are used as catalysts for hydrogenations for the water gas reactions, hydrocarbonyls, hydroformylations, oxidations, carbon-carbon cross-linking reactions (e.g. allene/alkine coupling), and additions of secondary amines to carbon-carbon double bonds.*according to the IUPAC version.Type: GrantFiled: November 30, 1989Date of Patent: October 15, 1991Assignee: Hoechst AktiengesellschaftInventors: Wolfgang A. Herrmann, Jurgen Kulpe, Jurgen Kellner, Herbert Riepl
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Patent number: 5051522Abstract: Bis{.mu.-hydroxy)bis[tris(sodium m-sulfonatophenyl)-phosphane]-rhodium(I)} dodecahydrate and methods of preparation thereof. The compounds are useful as catalysts for the hydroformylation reaction.Type: GrantFiled: December 21, 1990Date of Patent: September 24, 1991Assignee: Hoechst AktiengesellschaftInventors: Werner Konkol, Helmut Bahrmann, Wolfgang Herrmann, Jurgen Kulpe
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Patent number: 5047565Abstract: The present invention involves chemical compounds particularly useful for the preparation of thin films or layers of group 3/group 5 materials by MOCVD and other techniques. Such compounds may be represented as having the formulas [M(ER'R").sub.3 ].sub.n or [RM(ER'R").sub.2 ].sub.n or [R.sub.2 M(ER'R")].sub.n wherein M is aluminum, gallium or indium; E is phosphorus, arsenic or antimony; R, R', and R" are one or more of hydrogen, alkyl, aryl, alkyl-substituted aryl, cyclic alkyl, halide or other anionic group; and n is between about 1 and about 6.Type: GrantFiled: October 14, 1987Date of Patent: September 10, 1991Assignee: Board of Regents, The University of Texas SystemInventors: Richard A. Jones, Alan H. Cowley, John G. Ekerdt
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Patent number: 5041574Abstract: A process for the preparation of cobalt carbonyl complexes by heating a mixture containing an inert hydrocarbon solvent, at least one cobalt compound which is soluble in the reaction mixture, a trialkylphosphine, carbon monoxide, and a heterogeneous hydrogenation catalyst.Type: GrantFiled: August 9, 1990Date of Patent: August 20, 1991Assignee: E. I. Du Pont de Nemours and CompanyInventor: Rocco A. Paciello
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Patent number: 5021593Abstract: A ruthenium-optically active phosphine complex having, as a ligand, BICHEP which means 2,2'-bis(dicyclohexylphosphino)-6,6'-dimethyl-1,1'-biphenyl represented by formula (I): ##STR1## is disclosed, which can catalyze asymmetric syntheses, such as asymmetric hydrogenation, asymmetric isomerization, and asymmetric silylation, exhibiting excellent catalytic activity and providing high optical purity.Type: GrantFiled: July 11, 1990Date of Patent: June 4, 1991Assignee: Takasago International CorporationInventors: Hiroyuki Nohira, Hidemasa Takaya, Akira Miyashita
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Patent number: 5015747Abstract: The invention relates to organometallic compounds which are stabilized intramolecularly and have a cyclic or bicyclic structure and to the use thereof for the preparation of thin films and epitaxial layers by gas phase deposition.Type: GrantFiled: April 7, 1989Date of Patent: May 14, 1991Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Martin Hostalek, Ludwig Pohl, Dietrich Erdmann, Herbert Schumann, Uwe Hartmann, Meino Heyen, Holger Jurgensen
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Patent number: 4981827Abstract: A catalyst for addition polymerisation comprising(a) an (initiator) first component of formula (I):M(X.sub.m)(Y.sub.n)Zp (I)whereinM is Si, Ge or Snm and p are each an integer and n is 0 or an integer such that (m+n+p)=4;X is QR.sup.1 R2.sup.2 where Q is N, P, As or P(=T)G.D where T is O or S and G and D are each independently a bond, O or S and R.sup.1 and R.sup.2 are each independently optionally substituted hydrocarbyl or together are optionally substituted hydrocarbadiyl which are inert in the process conditions of the present invention, or, when Q is P(=T)G.D as hereinbefore defined, R.sup.1 and R.sup.2 are each independently M(Y.sub.n)Z.sub.p as hereinbefore defined.Y is independently any group as defined for X, or any group selected from a group OA where A is optionally substituted hydrocarbyl inert in the process conditions of the present invention, or trialkylsilylalkyl;Z is independently any group as defined for Y, or an organic polymer radical comprising further M(Y.sub.n)Z.sub.Type: GrantFiled: December 27, 1988Date of Patent: January 1, 1991Assignee: Imperial Chemical Industries PLCInventors: Denis G. H. Ballard, Peter J. I. Runciman, Anthony Pickering
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Patent number: 4956483Abstract: A class of new oxide structures containing octahedral molybdenum and tetrahedral phosphorous has been generated using hydothermal techniques. These materials are produced by the reaction of a molybdenum oxide source with phosphate and any one, or combination of organic cation/alkali-metal cation/organic amine as a templating/mineralizing agent. A reducing agent is necessary to convert the Mo(VI) to a lower valent form and can be either added to the reaction mixture or is provided in the form of one the reactants.Type: GrantFiled: May 12, 1989Date of Patent: September 11, 1990Assignee: Exxon Research and Engineering CompanyInventors: Edward W. Corcoran, Jr., Robert C. Haushalter, Wen-Yih F. Lai
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Patent number: 4952728Abstract: New chemical product, constituted by an organic phosphorus compound of the structure ##STR1## where Q is an N or O atom, T is an alkylene or arylene, possibly carrying substituents, or not existing, while R.sup.1 to R.sup.7, the same or different, are H or aliphatic, cycloaliphatic and/or arylic hydrocarbon radicals, possibly substituted, R.sup.3 not existing when Q is oxygen.This product is used as an intermediate in the preparation of different derivatives of phosphinous acid.Type: GrantFiled: August 26, 1987Date of Patent: August 28, 1990Assignee: Societe Nationale Elf AquitaineInventors: Sylvain Juge, Jean-Pierre Genet
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Patent number: 4822925Abstract: Novel vicinal dioxyalkylene organometalates comprising a cation having a hydrocarbyl-containing substituent are disclosed. The vicinal dioxyalkylene organometalates can be reacted with water to yield alkylene glycols.Type: GrantFiled: February 6, 1987Date of Patent: April 18, 1989Assignee: Union Carbide CorporationInventors: John R. Briggs, John H. Robson
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Patent number: 4810690Abstract: A homogeneous liquid composition for use in air freshening devices comprising 3 to 15% of dimethyl methylphosphonate, 1 to 12% of fragrance, 40 to 65% of organic solvent and 15 to 50% of water (where percentages are percentage by weight of the total composition). The composition is non-flammable in use.Type: GrantFiled: March 10, 1988Date of Patent: March 7, 1989Assignee: Reckitt & Colman S.A.Inventor: Sylvie Dumas
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Patent number: 4767571Abstract: The present invention relates to an infrared absorbent comprising a metal complex. With the use of the infrared absorbent, there is provided an infrared absorbing material capable of absorbing near infrared light having a wavelength of 700-1500 nm or far infrared light with a high transmittance of visible light and a good fastness to heat and light. The infrared absorbent is suitable for various applications such as a safelight filter for infrared sensitive materials, control of growth of plants, cut-off of heat radiation, infrared cut filter harmful to tissues of human eyes, infrared cut filter for semiconductor light receiving elements or color solid image pick-up elements, and infrared cut filter for an optoelectronic integrated circuit wherein electrical and optical elements are incorporated in the same substrate.Type: GrantFiled: June 21, 1985Date of Patent: August 30, 1988Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoshiaki Suzuki, Gouichi Hayashi
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Patent number: 4667045Abstract: Novel vicinal dioxyalkylene organometalates comprising a cation having a hydrocarbyl-containing substituent are disclosed. The vicinal dioxyalkylene organometalates can be reacted with water to yield alkylene glycols.Type: GrantFiled: March 28, 1984Date of Patent: May 19, 1987Assignee: Union Carbide CorporationInventors: John R. Briggs, John H. Robson
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Patent number: 4579666Abstract: A composition comprising: (A) a metal salt of (A)(I) at least one acid of the formula ##STR1## wherein each X and X.sup.1 is independently oxygen or sulfur, each n is zero or one, and each R.sup.1 is independently the same or different hydrocarbon based group, and (A)(II) at least one carboxylic acid of about 2 to about 40 carbon atoms, the ratio of equivalents of (A)(I) to equivalents of (A)(II) being in the range of about 0.5:1 to about 1:0; and (B) an olefinically unsaturated compound capable of reacting with active sulfur. Compositions comprising the foregoing composition reacted with active sulfur are also disclosed. Lubricants and functional fluids comprising the foregoing compositions are disclosed. A process comprising reacting active sulfur with an olefinically unsaturated compound in the presence of component (A) is also disclosed.Type: GrantFiled: December 6, 1984Date of Patent: April 1, 1986Assignee: The Lubrizol CorporationInventor: Calvin W. Schroeck
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Patent number: 4562276Abstract: Compositions of formula (I):Q.sub.3 XW.sub.4 O.sub.24-2n (I)wherein:Q represents a cation of an "onium" salt;X is either a P or an As atom; whilen is 0, 1 or 2.The preparative method consists in reacting an oxygenated tungsten (VI) derivative, an oxygenated P (V) or As (V) derivative, and hydrogen peroxide, in an aqueous acid phase, with an "onium" salt or a precursor thereof, if desired contained in an organic phase immiscible with the aqueous phase, at substantially room temperature. The oxygenated compounds of W (VI), P (V) or As (V) may be prepared "in situ" under the conditions of the reaction.Compositions (I), which appear as solids or as viscous oils, find use as oxidizing agents in general in oxidation processes, and especially as epoxidation catalysts for olefinic compounds, both in a homogeneous phase as well as in a heterogeneous phase, and preferably according to the phase-transfer technique, in the presence of oxidizing agents.Type: GrantFiled: November 10, 1983Date of Patent: December 31, 1985Assignee: Montedison S.p.A.Inventors: Carlo Venturello, Rino D'Aloisio, Marco Ricci
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Patent number: 4554367Abstract: Phosphonium stannates of the formula I[(R.sup.1).sub.a (R.sup.2).sub.b P].sub.n.sup..sym. [R.sub.q.sup.3 SnX.sub.r Y.sub.t ].sub.w.sup.n.crclbar. (I),in which the symbols R.sup.1, R.sup.2, R.sup.3, X, Y, a, b, n, q, r, t and w are as defined in the description, are active biocides. They can be used both in the preservation of materials and for protecting crop plants. Their water-solubility and their low volatility are particularly valuable properties.Type: GrantFiled: September 26, 1983Date of Patent: November 19, 1985Assignee: Ciga-Geigy CorporationInventors: Wolfgang Wehner, Reinhardt Grade
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Patent number: 4537982Abstract: Nickel-compounds, producible by reaction of Nickel-(O)-compound or a compound convertible thereto in situ with two different compounds corresponding to the following formulae ##STR1## are useful as catalysts in the polymerization of olefins.Type: GrantFiled: July 22, 1983Date of Patent: August 27, 1985Assignee: Bayer AktiengesellschaftInventors: Karl-Heinz A. O. Starzewski, Josef Witte
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Patent number: 4536589Abstract: Novel linear polymers of ferrocene are prepared by the reaction of 1,1'-dilithioferrocene with controlled amounts of a dihaloorganylphosphine, arsine or stibine. The polymers form stable complexes with Group VIII metals which are useful as recoverable hydroformylation catalysts.Type: GrantFiled: November 9, 1981Date of Patent: August 20, 1985Assignee: The Dow Chemical CompanyInventors: Jere D. Fellmann, Philip E. Garrou, Howard P. Withers, Jr., Dietmar Seyferth
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Patent number: 4533651Abstract: Catalyst systems for the oligomerization and/or isomerization of olefins which comprise a nickel (II) complex and a co-catalyst. The nickel (II) complex is a square planar species with a trivalent Group V donor ligand, preferably a phosphine or phosphite ligand, a halogen or pseudo-halogen ligand and a bidentate dithio ligand, especially a substituted dithio-.beta.-diketone ligand.Type: GrantFiled: October 17, 1983Date of Patent: August 6, 1985Assignee: Commonwealth Scientific and Industrial Research OrganizationInventors: Anthony F. Masters, Kingsley J. Cavell
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Patent number: 4529554Abstract: A process is provided for preparing nickel ylides which are themselves novel compounds defined by the following Formula I: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.Type: GrantFiled: August 18, 1980Date of Patent: July 16, 1985Assignee: Gulf Research & Development CompanyInventors: David L. Beach, James J. Harrison
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Patent number: 4529553Abstract: Novel zero valent nickel complex catalysts have been developed for hydrosilation reactions including the use of such zero valent nickel complexes as catalysts in place of platinum complexes for SiH Olefin compositions to produce silicone elastomers. These zero valent nickel complex catalysts appear to be most effective under anaerobic conditions.Type: GrantFiled: October 28, 1983Date of Patent: July 16, 1985Assignee: General Electric CompanyInventor: Robert A. Faltynek