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| Number | Title | Issue Date |
| 4294989 | Methylcyclohexyl-O-anisylphosphine Process for the homogeneous catalytic hydrogenation of ଲ-substituted--acylamido-acrylic acids which yields, after hydrogenation, an optically active mixture. The process comprises the hydrogenation of ଲ-substituted--acylamido-acr... | 10/13/1981 |
| 4293502 | Nickel ylides A new group of nickel ylides is provided that is highly active at relatively low operating temperatures and pressures in the oligomerization of ethylene. The compounds can be defined by the following Formula I: ##STR1## wherein R1, R2... | 10/06/1981 |
| 4290918 | Soluble polymerization catalysts, production of the same and their use Soluble catalysts for polymerizations are provided which are formed from an organic polymeric material containing at least one functional group bound to a metal, metal ion or metal complex. These catalysts can be used to promote all types of polymerizatio... | 09/22/1981 |
| 4276409 | Layered cyano end terminated organophosphorus inorganic polymers Cyano-organophosphorus compounds react by a metathesis reaction in a liquid medium with tetravalent metal ions yielding layered crystalline to amorphous inorganic polymers having the empirical formula M(O3 PRCN)2 or M(O3 P... | 06/30/1981 |
| 4251452 | Manganese (II) complexes Compounds of formula I are useful in the separation of a gas such as oxygen, hydrogen, sulphur dioxide, alkenes and carbon monoxide from a fluid comprising the gas. In formula I:L represents a monodentate ligand of formula IA and X is a species capable of... | 02/17/1981 |
| 4248720 | Organo molybdenum friction-reducing antiwear additives A hydrocarbon-soluble molybdenum complex of a hydrocarbon substituted thio-bis-phenol, e.g. the reaction product of 1-2 moles of nonyl phenol sulfides and one mole of molybdenum oxide (reacted if desired in the presence of an amine promoter), in combinati... | 02/03/1981 |
| 4231950 | Yellow azomethine dye developers Novel yellow ortho, ortho' dihydroxy azomethine dyes and metal complexes of such dyes which are particularly useful in photographic products and processes are presented by this invention. The novel yellow ortho, ortho' dihydrozy azomethine dyes have the f... | 11/04/1980 |
| 4229606 | 1,7-Octadiene process A process for preparing 1,7-octadiene by hydrodimerizing butadiene which comprises reacting the butadiene in the presence of formic acid, or a salt thereof, optionally a solvent and a catalyst comprising palladium complexed with a sterically hindered phos... | 10/21/1980 |
| 4229605 | 1,7-Octadiene process A process for preparing 1,7-octadiene by hydrodimerizing butadiene which comprises reacting the butadiene in the presence of formic acid or a salt thereof, optionally a solvent and a catalyst comprising palladium complexed with a tertiary phosphinite or p... | 10/21/1980 |
| 4215066 | Binuclear rhodium complex as a hydroformylation and hydrogenation catalyst The present invention relates to hydrogenation and hydroformylation catalysts based on a binuclear rhodium complex having the formula: ##STR1## wherein X and X' can be the same or different; when X and X' are the same they are organic tertiary phosph... | 07/29/1980 |
| 4201683 | Alkanol solutions of organo molybdenum complexes as friction reducing antiwear additives A solution of a hydrocarbon-soluble organo molybdenum complex obtained as the solution reaction product of a hydrocarbyl substituted thio-bis-phenol, e.g. 2,21 -thio-bis (4-iso-nonyl phenol), with a molybdenum compound, e.g. molybdic oxide and ... | 05/06/1980 |
| 4196135 | Palladium complex The palladium complex disclosed herein is bis[tri(orthotolyl)phosphine] palladium which is produced by reacting a palladium salt with tri(ortho-tolyl)phosphine and reducing the resultant bis[tri(ortho-tolyl)phosphine] palladium salt with an alcoholic alka... | 04/01/1980 |
| 4192757 | Alkyl phenol solutions of organo molybdenum complexes as friction reducing antiwear additives A solution of a hydrocarbon-soluble organo molybdenum complex obtained as the solution reaction product of a hydrocarbyl substituted thio-bis-phenol, e.g. 2,21 -thio-bis(4-iso-nonyl phenol), with a molybdenum compound, e.g. molybdic oxide, in t... | 03/11/1980 |
| 4190595 | Process for dehalogenating the metal-halide bond in a low valent group VIII metal halide complex A novel process is described for preparing low valent Group VIII metal hydrides, useful as catalysts in the hydrogenation of a large variety of organic compounds, in which a low valent Group VIII metal halide complex, such as (Ph3 P)3 | 02/26/1980 |
| 4189403 | Catalyst for cyclodimerization of isoprene 1,5-Dimethyl-1,5-cyclooctadiene and 1,4-dimethyl-4-vinyl-1-cyclohexene are prepared by contacting isoprene with a catalyst obtained by mixing a nickel compound, a reducing agent capable of reducing the nickel to zerovalent nickel, and a trihydrocarbyl pho... | 02/19/1980 |
| 4187241 | Metal phosphine complex Novel Group IB and IIB metal phosphine complexes are disclosed. These complexes are reacted with rhodium complex precursors to form useful enantioselective hydrogenation catalysts. Also disclosed is a method of preparing useful compounds having optical ac... | 02/05/1980 |
| 4180386 | Hexacoordinated transition metal compounds containing at least one polyfluoroalkyl substituent Hexacoordinated transition metal compounds, useful as antiknocks, having the structure ##STR1## wherein M is a divalent metal selected from the group Mn, Fe, Co and Ni, L1 and L2 are the same or different chelate-forming ଲ... | 12/25/1979 |
| 4174447 | Process for dimerization, arylation and trifluoromethylation of aromatic and heterocyclic compounds A decarboxylation process for coupling aromatic compounds wherein cyclic hydrocarbons and heterocyclic compounds having at least one labile ring hydrogen are reacted with the mono silver salts of aromatic carboxylic acids, or mono silver salts of unsatura... | 11/13/1979 |
| 4173590 | Process for making tetramethyldiphosphinomethane Novel chemical compounds which comprise tetramethyldiphosphinomethane of the formula: and methyllithium-dimethylphosphine of the formula: the latter being an intermediate product. Methyllithium-dimethylphosphine is made by reacting a solution of trimethylphosp... | 11/06/1979 |
| 4164473 | Organo molybdenum friction reducing antiwear additives Hydrocarbon-soluble organo molybdenum complexes obtained as the reaction product of a hydrocarbyl substituted hydroxy alkylated amine e.g. N,N',N'-tris(2-hydroxy ethyl)-n-tallow-1,3-diaminopropane, with about one molar equivalent of a molybdenum compound,... | 08/14/1979 |
| 4152118 | Copper mercaptides as sulfur dioxide indicators Organophosphine copper(I) mercaptide complexes are useful as convenient and semiquantitative visual sulfur dioxide gas indicators. The air-stable complexes form 1:1 adducts in the presence of low concentrations of sulfur dioxide gas, with an associated co... | 05/01/1979 |
| 4147710 | Compounds containing phosphorous and a method for making polycarbodiimide foams with the compounds as a catalyst A compound adapted to be used to advantage as a catalyst for making carbodiimide foams is prepared by a process wherein (a) a phosphetane oxide or phosphetane sulphide of the general Formulae I and II: ##STR1## wherein X represents a C1 -C... | 04/03/1979 |
| 4145358 | Preparation of organophosphorus nickel complexes The preparation and use of bis(μ-diphenylphosphido)tris(triethylphosphine)dinickel and tris(triethylphosphine)(triphenylphosphine)nickel is disclosed.... | 03/20/1979 |
| 4144259 | Organophosphorus nickel complexes and use thereof The preparation and use of bis(μ-diphenylphosphido)tris(triethylphosphine)dinickel and tris(triethylphosphine)(triphenylphosphine)nickel is disclosed.... | 03/13/1979 |
| 4127612 | 19-Hydroxy PGE1 carbinol analogues 19-Hydroxy carbinol analogues of PGE1 having the structure ##STR1## are disclosed as bronchodilators. Methods of preparing the analogues are also disclosed.... | 11/28/1978 |
| 4124533 | Metal coordination complexes containing optically active phosphine or arsine ligands Process for the homogeneous catalytic hydrogenation of ଲ-substituted--acylamido-acrylic acids which yields, after hydrogenation, an optically active mixture. The process comprises the hydrogenation of ଲ-substituted--acylamido-acr... | 11/07/1978 |
| 4124456 | Method of tris(perfluoroalkyl)phosphine oxides Novel compounds, viz., tris(perfluoroalkyl)phosphine oxides have the following general formula ##STR1## where RF is a perfluoroalkyl of normal and iso-structure, having from 2 to 8 carbon atoms. The method of preparing said compounds consi... | 11/07/1978 |
| 4120870 | Metal phosphine complex Group IB and IIB metal phosphine complexes are disclosed. These complexes are reacted with rhodium complex precursors to form useful enantioselective hydrogenation catalysts. Also disclosed is a method of preparing useful compounds having optical activity... | 10/17/1978 |
| 4120882 | Metal complexes Complexes of nickel or cobalt with phosphine, phosphite, stilbene or arsine ligands, especially nickel-phosphine complexes, useful as catalysts.... | 10/17/1978 |
| 4118408 | Organophosphorus nickel complexes and preparation thereof The preparation and use of bis(μ-diphenylphosphido)tris(triethylphosphine)dinickel and tris(triethylphosphine)(triphenylphosphine)nickel is disclosed.... | 10/03/1978 |
| 4115420 | Catalytic conversion of thallium (I) to thallium (III) A monovalent thallium compound is converted to a trivalent thallium compound by treating the thallium (I) compound with molecular oxygen in the presence of a Group VIII noble metal catalyst to oxidize the thallium (I) compound to a thallium (III) compound... | 09/19/1978 |
| 4111972 | Organophosphorus nickel complexes and use thereof The preparation and use of bis(μ-diphenylphosphido)tris(triethylphosphine)dinickel and tris(triethylphosphine)(triphenylphosphine)nickel is disclosed.... | 09/05/1978 |
| 4101566 | Oxidative addition production of trans-halo-2(1,3-alkadienyl)bis(triethylphosphine) complexes of nickel(II), palladium(II), and platinum(II) The production of trans-halo-2(1,3-alkadienyl)bis(triethylphosphine) complexes of nickel(II), palladium(II), and platinum(II) by oxidative addition is disclosed.... | 07/18/1978 |
| 4098807 | Platinum and palladium complexes A method of preparing bis(cis,cis-cyclo-octa-1,5 diene) platinum and palladium by reducing [Pt Cl2 (1,5-C8 H12)] or [Pd Cl2 (1,5-C8 H12)] in the presence of a solvent not having an active h... | 07/04/1978 |
| 4055582 | Synthesis of nickel and palladium organophosphorus complexes A process is disclosed comprising reacting at least one compound of the formula RMX(PR3)2 and at least one compound of the formula APR2 to produce at least one composition which can be represented by the formula M(PQ3... | 10/25/1977 |
| 4052484 | Substituted cyclic phosphine oxides A cyclic phosphine oxide of the formula ##STR1## in which R1 is an alkyl or an aryl radical having up to 14 carbon atoms, R2, r3 and R4 each independently is a C1 -C4 -alkyl radical, h... | 10/04/1977 |
| 4020108 | Selective hydrogenation of unsaturated compounds In a process for the catalytic hydrogenation of unsaturated compounds, which process is characterizable as employing for the active catalyst a glyoxime complexed with cobalt and a base, referred to as a cobaloxime catalyst, the improvement for obtaining i... | 04/26/1977 |
| 4017526 | Metal complexes Carbonyl-free complexes of nickel or cobalt with an olefinic compound which are useful as catalysts.... | 04/12/1977 |
| 4012399 | Transition metal complexes with trivalent phosphorus compounds Ultraviolet light absorbers and stabilizers, particularly for monolefin polymers, are provided from metal complexes of trivalent phosphorus compounds of the formulae where Me is preferably nickel but can be manganese, iron, copper, molybdenum or tungsten,... | 03/15/1977 |
| 3939188 | Preparation of zerovalent phosphine substituted rhodium compounds and their use in the selective carbonylation of olefins A process for preparing oxygenated products comprising aldehydes, which have high normal to branched-chain isomer ratios. The process involves using particularly characterized rhodium-containing complex catalysts under a specific combination of carefully ... | 02/17/1976 |
