Patents by Inventor Marcello Marchi
Marcello Marchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7572752Abstract: Process for preparing a catalyst for the oxidation of methanol to formaldehyde, comprising reacting iron powder and molybdenum trioxide in a Mo/Fe ratio from 1.5 to 5 in an aqueous suspension at temperatures from 20 to 100° C., and subsequently, optionally simultaneously, oxidizing the mixture with an oxidizing agent in a quantity equal to, or greater than the quantity required for the oxidation of the ferrous ion to ferric ion and to oxidize the molybdenum to the valence state 6.Type: GrantFiled: December 16, 2005Date of Patent: August 11, 2009Assignee: Sud-Chemie Catalysts Italia S.R.L.Inventors: Esterino Conca, Carlo Rubini, Marcello Marchi
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Patent number: 7468341Abstract: Catalysts for oxidation of methanol to formaldehyde, comprising a catalytic mixtures of Fe2(MoO4)3/MoO3, wherein the Mo/Fe atomic ratio ranges from 1.5 to 5, and a compound of cerium molybdenum and oxygen in a quantity from 0.1 to 10% by weight expressed as cerium.Type: GrantFiled: December 16, 2005Date of Patent: December 23, 2008Assignee: Sud-Chemie Catalysts Italia S.R.L.Inventors: Esterino Conca, Carlo Rubini, Marcello Marchi
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Publication number: 20060142619Abstract: Process for preparing a catalyst for the oxidation of methanol to formaldehyde, comprising reacting iron powder and molybdenum trioxide in a Mo/Fe ratio from 1.5 to 5 in an aqueous suspension at temperatures from 20 to 100° C., and subsequently, optionally simultaneously, oxidizing the mixture with an oxidizing agent in a quantity equal to, or greater than the quantity required for the oxidation of the ferrous ion to ferric ion and to oxidize the molybdenum to the valence state 6.Type: ApplicationFiled: December 16, 2005Publication date: June 29, 2006Applicant: SUD-CHEMIE CATALYSTS ITALIA S.R.L.Inventors: Esterino Conca, Carlo Rubini, Marcello Marchi
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Publication number: 20060135821Abstract: Catalysts for oxidation of methanol to formaldehyde, comprising a catalytic mixtures of Fe2(MoO4)3/MoO3, wherein the Mo/Fe atomic ratio ranges from 1.5 to 5, and a compound of cerium molybdenum and oxygen in a quantity from 0.1 to 10% by weight expressed as cerium.Type: ApplicationFiled: December 16, 2005Publication date: June 22, 2006Applicant: SUD-CHEMIE CATALYSTS ITALIA S.R.L.Inventors: Esterino Conca, Carlo Rubini, Marcello Marchi
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Patent number: 5459161Abstract: Substituted benzofuran derivatives of the formula (I): ##STR1## wherein one of R.sub.1 and R.sub.2 is hydrogen or halogen and the other is, independently, an amino group or a C.sub.2 -C.sub.4 alkanoyl amino group; R.sub.3 is hydrogen; a linear or branched C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or C.sub.2 -C.sub.4 alkoxycarbonyl group; halogen; or phenyl unsubstituted or substituted by a C.sub.1 -C.sub.4 alkyl group; A is a group --(CH.sub.2).sub.n -Het wherein Het is an optionally substituted heteromonocyclic or heterobicyclic ring containing one or two nitrogen atoms, and n is zero or an integer of 1 to 3; and the symbol ..... represents a single or double bond; may be prepared by a process comprising reacting a compound of formula II: ##STR2## in which L is a leaving group and R.sub.4 is hydrogen or a carboxy protecting group, with a compound of formula III;R'.sub.3 --C.dbd.C--R'.sub.Type: GrantFiled: June 25, 1993Date of Patent: October 17, 1995Assignee: Farmitalia Carlo Erba S.r.l.Inventors: Angelo Bedeschi, Walter Cabri, Ilaria Candiani, Silvia De Bernardinis, Marcello Marchi
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Patent number: 5364768Abstract: An in vitro process for preparing 6((1R)-hydroxyethyl) penem acids by hydrolyzing the carboxylic ester derivative thereof using an enzyme capable of selectively hydrolyzing the ester group at the 3-position of the carboxylic acid ester using an esterase, acylase or lipase enzyme, wherein the enzymatic hydrolysis is effected at a pH in the range of from 5 to 8 and at a temperature in the range of 20.degree. C. to 40.degree. C.Type: GrantFiled: September 4, 1992Date of Patent: November 15, 1994Assignee: Farmitalia Carlo Erba S.r.l.Inventors: Maria Altamura, Franco Francalanci, Marcello Marchi
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Patent number: 5362740Abstract: A compound of formula (I) ##STR1## wherein R' is hydrogen or methyl, m is zero or 1 and the symbol means that the azabicyclic rings may be in the .alpha. or the .beta. orientation, and the pharmaceutically acceptable salts thereof, are useful in treating CNS disorders, gut motility disorders, and/or emesis and/or pain in mammals, and/or migraine.Type: GrantFiled: November 30, 1992Date of Patent: November 8, 1994Assignee: Farmitalia Carlo Erba S.r.l.Inventors: Angelo Bedeschi, Walter Cabri, Ilaria Candiani, Silvia De Bernardinis, Marcello Marchi, Mario Varasi
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Patent number: 5360904Abstract: A process for preparing penem esters by reacting ##STR1## wherein R.sub.1 is a hydroxy protecting group and X is a C.sub.1 -C.sub.10 alkyl or aryl group, with ##STR2## wherein R.sub.2 is hydrogen or a C.sub.1 -C.sub.6 alkyl group in the presence of an anhydrous organic solvent, condensing the product with ##STR3## wherein X is a halogen atom or a --OCOOR.sub.3 group and then cyclizing.Type: GrantFiled: September 21, 1992Date of Patent: November 1, 1994Assignee: Farmitalia Carlo Erba S r lInventors: Angelo Bedeschi, Walter Cabri, Marcello Marchi, Ettore Perrone
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Patent number: 5215891Abstract: A process for preparing a compound of formula I: ##STR1## wherein R.sub.1 represents a hydroxy protecting group and R.sub.2 represents a carboxy protecting group, which comprises:hydrolyzing a compound of formula II ##STR2## wherein R.sub.1 and R.sub.2 are as defined above and R represents an alkyl, alkenyl or phenylalkyl group having from 1 to 18 carbon atoms, in the presence of an enzyme capable of selectively hydrolyzing the ester group of the 2-substituent thereof.Type: GrantFiled: March 9, 1992Date of Patent: June 1, 1993Assignee: Farmitalia Carlo ErbaInventors: Maria Altamura, Pietro Cesti, Franco Francalanci, Marcello Marchi, Marco Foa', Stefano Cambiaghi, Franco Dallatomasina
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Patent number: 4390733Abstract: The mono-methallyl ether of pyrocatechin of formula (I): ##STR1## is prepared by reacting pyrocatechin of formula (II): ##STR2## with a methallyl halide of formula (III): ##STR3## in a homogeneous dissolving medium, e.g., alcohols, aliphatic polyalcohols and monoethers thereof, or water, in the presence of an organic or inorganic base.The mono-methallyl ether of pyrocatechin is used as an intermediate for organic syntheses and, in particular for synthesizing the product of formula (IV); ##STR4## which is marketed under the tradename "Carbofuran" and is a compound which is the active principle in soil insecticides of different overall compositions which are available on the market.Type: GrantFiled: May 14, 1981Date of Patent: June 28, 1983Assignee: Montedison S.p.A.Inventors: Stefano Campolmi, Vittorio Carletti, Marcello Marchi
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Patent number: 4333882Abstract: A process is disclosed for preparing N-methylcarbamate of methylthioacetaldoxime, characterized in that an aqueous suspension of methylthioacetaldoxime is additioned, in one step only, with gaseous phosgene and aqueous methylamine in the presence of an inorganic alkaline base substantially at room temperature and pressure.The product obtained, known commercially as "Methomyl", is an important active principle in the field of insecticides.Type: GrantFiled: February 17, 1981Date of Patent: June 8, 1982Assignee: Montedison S.p.A.Inventors: Stefano Campolmi, Vittorio Carletti, Marcello Marchi
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Patent number: 4032555Abstract: A process is disclosed for the carboxylation of organic substrates or reactants containing at least one active hydrogen atom by reaction with CO.sub.2 and alkaline phenates in an organic medium, characterized in that the reaction is conducted in the presence of simple or substituted alkaline phenates in at least an aprotic medium which is at least a partial solvent for the phenate, and selected from the class consisting of cyclic ethers, aliphatic, cycloaliphatic and heterocyclic tertiary amines, and cyclic sulphones, and at temperatures between about 40.degree. and 60.degree. C. The alkaline phenate is selected from the class consisting of the Li, Na, K salts of the phenols of the general formula: ##STR1## WHEREIN R is hydrogen or an alkyl or an alkoxy group, linear or branched, having up to 20 carbon atoms, or a phenyl group, n varies from 1 to 5, and M is the alkali metal. The starting organic substrate or reactant is selected from the class consisting of ketones, esters, nitroparaffins and nitriles.Type: GrantFiled: March 24, 1976Date of Patent: June 28, 1977Assignee: Montedison Fibre S.p.A.Inventors: Giorgio Bottaccio, Gian Paolo Chiusoli, Enzo Alneri, Marcello Marchi, Giulio Lana
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Patent number: 3976677Abstract: Carboxylable substrates i.e., ketones, esters, nitroparaffins and nitriles, containing activated hydrogen atoms are carboxylated by reaction with alkaline phenates and CO.sub.2 in at least one hydrocarbon solvent selected from aliphatic, alicyclic, aromatic and alkyl-aromatic hydrocarbon solvents.Type: GrantFiled: April 2, 1975Date of Patent: August 24, 1976Assignee: Montedison S.p.A.Inventors: Giorgio Bottaccio, Gian Paolo Chiusoli, Marcello Marchi