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| Number | Title | Issue Date |
| 4980473 | Chemical probes for left-handed DNA and chiral metal complexes as Z-specific anti-tumor agents This invention concerns a coordination complex and salts and optically resolved enantiomers thereof, of the formula (R)3 --M, wherein R comprises 1,10-phenanthroline or a substituted derivative thereof, M comprises a suitable transition metal, ... | 12/25/1990 |
| 4975253 | Solvent extraction of nickel using hydroxamic acids Nickel and cobalt are reversibly extracted from nickel and cobalt bearing aqueous solutions using solvent extraction techniques by contacting the aqueous solution with a hydrocarbon solvent containing a N-alkylalkanohydroxamic acid having at least about 8... | 12/04/1990 |
| 4960895 | 4'-alkoxy-2,2':6',2"-terpyridine derivatives 4'-alkoxy-2,2';6',2"-terpyridine derivatives of formula (I) and metal complexes thereof of formula (II). ##STR1## where R1 represents a substituted or unsubstituted alkyl group, wherein the substituent is a member selected from the group c... | 10/02/1990 |
| 4959135 | Polyalkylamine complexes for ligand extraction and generation Methods and apparatus for the extraction of a ligand such as molecular oxygen from a first fluid environment and for release of a ligand such as molecular oxygen, as well as ligand carrier compounds therefor comprising linear, pentadentate polyalkylamines... | 09/25/1990 |
| 4954125 | Catalyst for polymerization of conjugated diene and process for producing conjugated diene polymer A catalyst consisting essentially of (A) a cobalt compound and (B) an organic phosphorus compound represented by the formula: ##STR1## wherein R1 and R2 are independently hydrogen atoms, alkyl groups or aryl groups, and three X'... | 09/04/1990 |
| 4952289 | Macrocyclic amine complexes for ligand extraction and generation Methods and apparatus for electrochemical extraction of a ligand such as molecular oxygen from a first fluid environment and for release of a ligand such as molecular oxygen, as well as ligand carrier compounds therefor comprising macrocyclic amines havin... | 08/28/1990 |
| 4894445 | Metal-isonitrile adducts for preparing radionuclide complexes A method for preparing a coordination complex of an isonitrile ligand and a radioisotope of Tc, Ru, Co, Pt, Re, Os, Ir, W, Re, Cr, Mo, Mn, Ni, Rh, Nb and Ta from a non-radioactive metal adduct of the isonitrile.... | 01/16/1990 |
| 4888032 | Salts of cationic-metal dry cave complexes Salts containing cations of the formula: ##STR1## (in which M is Co, Fe, Cr or Mn, X, Y, R1, The Government has rights in this invention pursuant to Contract Number CHE-75-14837 awarded by the National Science Foundation.... | 12/19/1989 |
| 4882132 | Solvent extraction of cobalt using hydroxamic acids Cobalt is reversibly extracted from cobalt bearing aqueous solutions using solvent extraction techniques by contacting the aqueous solution with a hydrocarbon solvent containing a N-alkylakanohydroxamic acid having at least about 8 carbon atoms. A new cla... | 11/21/1989 |
| 4855467 | Heat curable epoxy compositions, and amine adducts of cobalt(II) complexes Certain cobalt(II) complexes such as secondary amine adducts of cobalt(II) acetylacetonate have been found useful as latent catalysts for anhydride-epoxy blends.... | 08/08/1989 |
| 4835317 | 4-tert.-butyl-1,2-benzenedithiol, complex compounds derived therefrom, and a method of producing the same Novel compounds, 4-tert.-butyl-1,2-benzenedithiol and bis(4-tert.-butyl-1,2-dithiophenolate) metal complexes having the general formula of ##STR1## wherein M represents a trivalent transition metal, and A represents a quarternary ammonium are pr... | 05/30/1989 |
| 4831170 | Pharmaceutically active phospino-hydrocarbon-group VIII-metal complexes, antitumor compositions containing these complexes, and a process for preparing said compounds or antitumor compositions Novel bis[bis(diphenylphosphino)hydrocarbon] and bis[diphenylphosphino-diphenylarsino)hydrocarbon]-group VIII metal compounds of the formula 1 of the formula sheet, wherein D1 =D2 =phosphorus or D1 =phosphorus and D2... | 05/16/1989 |
| 4814391 | Heat curable epoxy compositions, and amine adducts of cobalt (II) complexes Certain cobalt(II) complexes such as secondary amine adducts of cobalt(II) acetylacetonate have been found useful as latent catalysts for anhydride-epoxy blends.... | 03/21/1989 |
| 4760171 | Process for producing ethanol A process for producing ethanol which comprises reacting methanol, carbon monoxide and hydrogen in the presence of a catalyst comprising a cobalt phosphine carbonyl complex having the formula: wherein each of R1, R2, R3, R... | 07/26/1988 |
| 4746748 | Method for reducing hydroxocobalt (III) Schiff base complex A method is described for reducing a hydroxocobalt (III) Schiff base complex to a cobalt (II) Schiff base complex by heating the former complex to a temperature below the decomposition point of the latter complex.... | 05/24/1988 |
| 4735634 | Pillared cobalt complexes for oxygen separation The present invention is a cobalt complex having the structural formula: ##STR1## wherein each R1 is independently, a phenyl or a C1 -C6 alkyl group; each R2 is independently hydrogen, a phenyl, or a C... | 04/05/1988 |
| 4730064 | Heterometallic thiocubanes (C-2044) This invention relates to heterometallic thiocubane compositions containing the M21 M22 S4 cluster core and methods of making them wherein M1 is Re, V, Mo or W and M2 is Co, Cr, Cu, N... | 03/08/1988 |
| 4721669 | Chemical probes for left-handed DNA and chiral metal complexes as Z-specific anti-tumor agents This invention concerns a coordination complex and salts and optically resolved enantiomers thereof, of the formula (R)3 --M, wherein R comprises 1,10-phenanthroline or a substituted derivative thereof, M comprises a suitable transition metal, ... | 01/26/1988 |
| 4699978 | Site-specific chiral ruthenium (II) and cobalt (III) antitumor agents This invention concerns a coordination complex of the formula (R)2 --M--(Y)2 wherein M comprises a suitable transition metal, e.g. cobalt or ruthenium, R comprises 1,10-phenanthroline or a substituted derivative thereof, Y comprises ... | 10/13/1987 |
| 4680037 | Lacunar cobalt complexes for oxygen separation The present invention is a cobalt complex having the structural formula: ##STR1## wherein each R1 is independently hydrogen, a phenyl or a C1 -C6 alkyl group; each R2 is independently hydrogen or a C1... | 07/14/1987 |
| 4678854 | Cobalt complexes and their use as nutritional supplements Complex salts of cobalt useful for nutritional supplementation to provide cobalt in a form which effectively increases the bioavailability of cobalt, assuring adequate dietary requirement for growth and production of vitamin B12 by microorganis... | 07/07/1987 |
| 4659829 | Metal peroxide complexes, their manufacture and use for oxidizing hydrocarbons to alcohols and/or ketones The invention concerns peroxide complexes of metals complying with the general formula LnMXpY, wherein M is a metal selected from groups VIII, IB and VIIB, particularly cobalt, X is an anionic group, for example carboxylate, R is an alkyl, cycloalkyl or a... | 04/21/1987 |
| 4655949 | Lubricating oil compositions containing organometallic additives This invention provides novel lubricating oil compositions comprising an organometallic additive, including a metal selected from Groups I, Ib, and VIII of the Periodic System of Elements, e.g. Na, K, Cu, Co, Ni or Fe, chelated with the reaction product o... | 04/07/1987 |
| 4654271 | Metal complexes useful as rubber/metal bonding promoters Compounds containing an organic thiosulphate anion and cationic nickel or cobalt in association with an amine, are useful in increasing the bond strength between metal, especially brass, and vulcanized rubber. Typical complexes are those where the anion i... | 03/31/1987 |
| 4654053 | Oxygen sorbent The present invention discloses a novel and unique family of agents which reversibly binds molecular oxygen at room temperature.... | 03/31/1987 |
| 4652647 | Aromatic-metal chelate compositions Disclosed are aromatic-metal chelate compositions which are deficient in hydrogen, are cross-linked, and which are comprised of two or more heteroatoms, wherein at least one of the heteroatoms are part of a 5 to 6 member heterocyclic ring, and wherein the... | 03/24/1987 |
| 4612402 | Oxidation of olefins using rhodium nitro complex A process for the oxidation of olefinically unsaturated substrates of the formula R--CH.dbd.CH-R' wherein R and R' are independently selected from members of the group consisting of H, alkyl, alkenyl, cycloalkyl, aryl and halo-, cyano- and ether-substitut... | 09/16/1986 |
| 4609499 | Rubber-steel cord adhesion promoter A rubber-steel cord adhesion promoter represented by the general formula ##STR1## wherein Y1, Y2 and Y3 are identical or different and each represents a resin acid radical, a naphthenic acid radical or an aliphatic mo... | 09/02/1986 |
| 4608444 | Process and accompanying catalysts for the hydroformylation of formaldehyde to glycol-aldehyde A process and accompanying catalyst for the hydroformylation of formaldehyde to glycol aldehyde is disclosed. The process features the utilization of (1) a class of transition metal phosphine-amide complexes, (2) a class of transition metal phosphine-amin... | 08/26/1986 |
| 4605751 | Bimetallic cluster catalysts A facile synthesis of the precursor, Cp2 Mo2 (μ-S)2 (μ-SH)2, to novel heterobimetallic cluster compositions (e.g., Cp2 Mo2 Fe2 (μ-S)2 (CO)8 ; Cp2 M... | 08/12/1986 |
| 4567284 | Cobalt complex of N-alkylalkanohydroxamic acid Cobalt is reversibly extracted from cobalt bearing aqueous solutions using solvent extraction techniques by contacting the aqueous solution with a hydrocarbon solvent containing a N-alkylalkanohydroxamic acid having at least about 8 carbon atoms. A new cl... | 01/28/1986 |
| 4562277 | Process for the preparation of a bis-salicylidene-alkylene-diaminocobaltous ion complex Improved process for the preparation of salcomine useful as an oxidation catalyst for the oxidation of alkylated phenols to the corresponding alkylated p-benzoquinones by reacting salicylaldehyde with ethylenediamine in a mole ratio of about 2:1 and a cob... | 12/31/1985 |
| 4560806 | Process and catalyst useful in the production of glycol aldehyde An improved transition metal-phosphine-amide hydroformylation catalyst is disclosed having a substantially increased solubility in non-polar organic solvents, thereby preventing migration of the catalyst into the glycol aldehyde product during the hydrofo... | 12/24/1985 |
| 4551543 | Bimetallic carbonyl hydroformylation catalysts A hydroformylation catalyst of the formula wherein L is a monodentate phosphine, a bidentate phosphine or a bidentate amine, a is 1-3, b is 3 or 4, c is 0 or 1; provided that, where b=4, c=0 and L' is CO, phosphine or phosphite. Where the catalysts have the fo... | 11/05/1985 |
| 4547321 | Compounds containing the [Co(MoS4)2 ]3- trianion and their preparation Compositions of the formula [(Catn)]3/n [Co(MoS4)2 ] wherein Cat is a mono, di or trivalent cation and n is 1, 2 or 3, respectively, have been prepared in non-aqueous media. The [Co(MoS4)2 ... | 10/15/1985 |
| 4536192 | Additives for improving the research octane number of liquid hydrocarbon fuels Transition metal complexes of thiobis(alkylphenols) provide an increase in the research octane number of fuels suitable for use in internal combustion engines.... | 08/20/1985 |
| 4534901 | Cobalt-boron compounds Compounds corresponding to the formula ##STR1## wherein R1, R2, R3, R4 and R5 are the same or different, and represent hydrogen, hydroxy, C1 -C18 alkyl, C5 -C | 08/13/1985 |
| 4522932 | Phosphine and phosphonium compounds and catalysts Novel ligand materials and transition metal complexes thereof are disclosed which are useful as solvents and/or catalysts for various processes, including catalytic conversion processes for the conversion of hydrocarbons or carbon monoxide, such as the hy... | 06/11/1985 |
| 4514522 | Oxygen sorbent The present invention discloses a novel and unique family of agents which reversibly binds molecular oxygen at room temperature.... | 04/30/1985 |
| 4506030 | Catalysts for hydrogenation of aromatic compounds A novel transition metal catalyst which has a phosphido-type linkage is much less subject to metal loss during operations because of its greater bond strength. This catalyst will hydrogenate unsaturated hydrocarbons under milder conditions than most prior... | 03/19/1985 |
