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| Number | Title | Issue Date |
| 4720561 | Preparation of metal alkyls A method of preparing a metal alkyl of formula (R3 M)x where R3 represents three alkyl groups R which may be the same or different, M represents a Group III metallic element and x is 1 or 2, which method comprises (a) form... | 01/19/1988 |
| 4720560 | Hybrid organometallic compounds, particularly for metal organic chemical vapor deposition Compounds having the molecular formula: wherein x is an integer from 2 to 4 inclusive, each said R substituent is independently selected from hydride, lower alkyl, phenyl, alkyl-substituted phenyl, cyclopentadienyl, and alkyl substituted cyclopentadienyl,... | 01/19/1988 |
| 4710575 | Bisneopentyl alkyl organometallic compounds and methods of preparing same In the manufacture of semiconductors it is desirable to make controlled deposits of certain phosphides or arsenides of trivalent metals such as gallium and indium. There are provided novel alkyl bisneopentyl derivatives of these metals whose stability and... | 12/01/1987 |
| 4707544 | Metal-isonitrile adducts for preparing radionuclide complexes for labelling and imaging agents A method for preparing a coordination complex of an isonitrile ligand and radionuclide such as Tc, Ru, Co, Pt, Fe, Os, Ir, W, Re, Cr, Mo, Mn, Ni, Rh, Pd, Nb and Ta is disclosed. The method comprises preparing a soluble metal adduct of said isonitrile liga... | 11/17/1987 |
| 4699987 | (Perfluoroalkyl)-cyclopentadienylthallium Perfluoroalkylcyclopentadienylthallium compounds of the general formula: ##STR1## wherein n=1-5 are disclosed which are useful to modify the properties of transition metal complexes by the introduction of an electron-withdrawing perfluoroalkylcyclope... | 10/13/1987 |
| 4687869 | Metal salicylates, process for their preparation and use thereof as color developers in pressure-sensitive or heat-sensitive recording materials The invention relates to metal salicylates of the formula ##STR1## wherein Me is a metal ion of valency n, n is 2, 3 or 4, and each of the rings A and B independently of the other is unsubstituted or substituted by halogen, lower alkyl, lower alkoxy or an... | 08/18/1987 |
| 4675416 | Ternary charge transfer complex Disclosed herein are organometallic ternary charge transfer complexes of the formula (I) wherein RX is an inorganic chloride or fluoride which contains at least one oxygen and/or sulfur atom and is capable of forming a complex salt a(R).multidot.MX.sub.(a... | 06/23/1987 |
| 4670573 | Activated preparation of metal alkoxides There are disclosed improved methods for preparing metal alkoxides from metals and alcohols. The methods involve dry-grinding the metal in an inert atmosphere prior to the addition of the alcohol. When an activator is used, it is usually ballmilled with t... | 06/02/1987 |
| 4670572 | Phenolic fluorescent labels There are described stable fluorescent labels comprising a complex of lanthanide metal and a chelating agent comprising a nucleus which is a triplet sensitizer having a triplet energy greater than that of said lanthanide metal and at least two heteroatom-... | 06/02/1987 |
| 4665046 | Organoactinide polymer catalysts The specification discloses pentaalkylcyclopentadienyl actinide complexes and their use as catalysts for polymerizing lower molecular weight alkenes.... | 05/12/1987 |
| 4652519 | Bifunctional chelating agents and process for their production There are provided bifunctional chelating agents, which are analogues of EDTA, conjugates of same with a variety of haptens and conjugates of such conjugates with haptens with certain metals, forming metal complexes. The metal complexes have a variety of ... | 03/24/1987 |
| 4650895 | Process for producing high purity metallic compound High purity organometallic compounds can be obtained by the process which comprises subjecting an organometallic compound in a liquid state under stirring to preliminary oxidation or hydrolysis in a proportion of about 0.1 to 50% by weight of the organome... | 03/17/1987 |
| 4637988 | Fluorescent labels for immunoassay There are described stable fluorescent labels comprising a complex of lanthanide metal and a chelating agent comprising a nucleus which is a triplet sensitizer having a triplet energy greater than that of said lanthanide metal and at least two heteroatom-... | 01/20/1987 |
| 4636380 | Novel physiologic chemical method of labeling protein substances with the radionuclides of indium A novel chemical method of labeling plasma proteins, compounds and substances containing proteins with the radionuclides of indium at physiologic pH 6-8 condition producing an efficiently labeled radioactive tracer material suitable for biomedical applica... | 01/13/1987 |
| 4621147 | Novel trivalent organometallic compounds and methods of preparing same In the manufacture of semiconductors it is desirable to make controlled deposits of certain phosphides or arsenides of trivalent metals such as gallium, indium and aluminum. There are provided novel neopentyl derivatives of these metals whose stability ch... | 11/04/1986 |
| 4611071 | Metal alkyl process Metal alkyls such as trimethyl arsine are made in improved yields by reacting a metal halide, e.g. AsCl3, with a Grignard reagent such as methyl magnesium bromide complexed with a polyether such as di(2-methoxyethyl)ether.... | 09/09/1986 |
| 4604473 | Preparation of metal alkyls A method of producing a trialkyl gallium compound (RA)3 Ga, where RA is selected from methyl and ethyl, includes the step of reacting a gallium trihalide with a Grignard reagent of formula RA Mg Q, where Q is a ... | 08/05/1986 |
| 4587025 | Zwitterionic quaternary ammonium carboxylates, their metal salts and lubricants containing same Hydrocarbyl ammonium hydrocarbyl carboxylate internal salts and their metal-containing derivatives are made by reacting certain amines with certain organic acids to obtain the former and reacting that product with a metal oxide or salt to obtain the latte... | 05/06/1986 |
| 4438080 | Process for oxidizing thallium (I) to thallium (III) A process was developed to optimize the thallium (III) produced by the reaction of hydrogen peroxide and thallium (I). In the optimized process, thallium (III) is removed from the reaction mixture during the oxidation reaction.... | 03/20/1984 |
| 4404408 | Complexed compounds, processes for their manufacture and their use Metal or metalloid salts, ansolvo-acids and proton-acids can be so complexed with 1,2,3-triols, glycerol ethers or glycerol thioethers containing at least 6 C atoms in the molecule that they are in the form of compositions which are soluble in organic sol... | 09/13/1983 |
| 4396471 | Gold plating bath and method using maleic anhydride polymer chelate An all-purpose gold cyanide electroplating bath utilizes a cobalt, nickel, or indium hardener as a chelate with the acid form of a methyl vinyl ether/maleic anhydride interpolymer. The bath is capable of producing high levels of hardness in deposits that ... | 08/02/1983 |
| 4396552 | Novel metal mercaptides of esters of ଲ-mercaptoalkanols Metal mercaptides of the formula ##STR1## wherein Me is a metal, oxometal, alkoxymetal or organo-metal cation from the 1st-5th group of the periodic system, n is 0, 1 or 2, m is an integer from 1 to 4, R1 is hydrogen, alkyl, acyloxymethyl ... | 08/02/1983 |
| 4394316 | Copper modified mancozeb This invention relates to copper modified mancozeb (the reaction product of manganese ethylene-bis-dithiocarbamate and soluble zinc (II) ion) and processes for preparing same which produces a product which reduces the generation of ethylene thiourea on lo... | 07/19/1983 |
| 4385002 | Monoaryl thallium III perchlorates and their preparation A process for the preparation of monoaryl thallium III perchlorates substantially free of isomers comprising reacting at atmospheric pressure at 0° to 80° C. thallium III perchlorate, 1 to 6 moles of a carboxylic acid, 1 to 6 moles of an aromatic compou... | 05/24/1983 |
| 4359477 | Enterochelin complexes Complexes of enterochelin, and certain analogues thereof, with one of the metals indium and scandium are useful for the treatment of bacterial infections.... | 11/16/1982 |
| 4352751 | Species-linked diamine triacetic acids and their chelates Species-linked diamine triacetic acids of the formula ##STR1## wherein T is an organic species containing at least one amine, hydroxyl, or thiol functional group, L is the residue of at least one of those functional groups and R is a two or more atom... | 10/05/1982 |
| 4351814 | Hydrotalcites having a hexagonal needle-like crystal structure and process for production thereof Fibrous hydrotalcites having a hexagonal needle-like crystal structure. The fibrous hydrotalcites are produced by contacting a basic magnesium compound having a needle-like crystal structure and expressed by the following formula (2) wherein An... | 09/28/1982 |
| 4343747 | Preparation of quaternary ammonium thiomolybdates Quaternary ammonium thiomolybdates are prepared in a two-phase reaction system by contacting an aqueous solution of a thiomolybdate salt with a solution of a quaternary ammonium salt in a water-immiscible organic solvent. For example, mixing a solution of... | 08/10/1982 |
| 4343745 | Process for solubilizing organic or mineral salts in organic solvents The invention provides a process for solubilizing an organic or mineral salt in an organic solvent, said process comprising contacting an organic or mineral salt of the formula A- M+, wherein A- represents a mineral or org... | 08/10/1982 |
| 4343746 | Quaternary ammonium thiomolybdates Novel quaternary ammonium thiomolybdates are prepared by contacting an aqueous solution of a thiomolybdate salt with a solution of a water-insoluble quaternary ammonium salt in a water-immiscible organic solvent. For example, mixing a solution of dicocodi... | 08/10/1982 |
| 4333881 | Process for reducing metal alkoxides, and the use of the compounds so obtained Alkoxides of transition metals, selected from among tetravalent Ti, tetravalent and pentavalent V, tetravalent Cr and tetravalent Zr, actinides and lanthanides, are reduced to corresponding alkoxides of lower valency by reacting such higher valency metal ... | 06/08/1982 |
| 4310469 | Diaryliodonium salts Cationic polymerization of epoxy monomers or prepolymers can be achieved by use of certain radiation sensitive aromatic halonium salts. Curable compositions are provided which can be used as sealants, coating compounds, encapsulants, etc.... | 01/12/1982 |
| 4299781 | Organomagnesium solutions of low viscosity A low viscosity liquid solution is described, comprising (a) a hydrocarbon-soluble dialkylmagnesium compound of 4 to 20 carbon atoms per molecule (b) a solvent selected from the group consisting of aliphatic, alicyclic, and aromatic hydrocarbons of 5 to 20 car... | 11/10/1981 |
| 4293501 | ଲ-Lactam antibiotics, a process for their preparation and their use in pharmaceutical compositions The present invention relates to sodium, thallium, silver or lithium salts of the compound wherein n is 1 or 2, R6 is alkyl, phenyl or substituted phenyl. The salts are useful as reagents for the preparation of sulfur containing Clavulanic acid... | 10/06/1981 |
| 4287131 | Preparation of metal organopolyphosphate coordination of complexes Metal alkoxides are reacted with phosphorus pentoxide to produce metal organopolyphosphate coordination polymers.... | 09/01/1981 |
| 4268455 | Chelating tertiary amino metal amides Chelating tertiary amino metal amides selected from compounds having the formulae: Mg.sup. ++ [Chel N]2.crclbar. wherein [Chel N].crclbar. is not ##STR1## [Chel N].crclbar. M.sym., [Chel N] | 05/19/1981 |
| 4238619 | Method for making aryl onium salts of group via elements A method is provided for making certain aryl onium salts of Group VIa elements useful as photoinitiators for polymerizing various organic materials. Reaction is effected between a compound of a Group VIa element, for example, an aryl or alkyl sulfide or a... | 12/09/1980 |
| 4226790 | Process for oxidizing thallium (I) to thallium (III) Thallium (l) alkanoate salts are oxidized to thallium (lll) salts in a liquid medium with a peroganic carboxylic acid in the presence of a reactive form of manganese or ruthenium.... | 10/07/1980 |
| 4216316 | Process for the production of alkyl cyanates and oligomers A process is disclosed for the preparation of alkyl cyanates, alkyl isocyanurates, multifunctional alkyl cyanates, and oligomers of multifunctional alkyl isocyanates by reacting cyanogen halide with the corresponding thallium(I) salt of an alkanol at redu... | 08/05/1980 |
| 4192814 | Process for 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 in a liquid medium and in the presence of a promoter comprising a... | 03/11/1980 |