Patents by Inventor Ezio Montessoro
Ezio Montessoro 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: 6399836Abstract: A process for the di-tertiary-peroxide synthesis, wherein the condensation reaction between a tertiary hydroperoxide and a tertiary alcohol is carried out in the presence of an acid catalyst, constituted by a compound having a mono-sulphonated aromatic ring selected from the following formulae: wherein: R is an alkyl group having from 2 to 9 carbon atoms, preferably from 2 to 6; R′ and R″ are alkyl groups having a number of from 1 to 9 carbon atoms, preferably from 1 to 6.Type: GrantFiled: June 2, 1999Date of Patent: June 4, 2002Assignee: ELF Atochem S.r.l.Inventors: Ezio Montessoro, Michele Merenda
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Patent number: 6291617Abstract: Compositions for the polymer curing, comprising: a) one or more organic peroxides and b) 3,7-Dimethyl-1,3,6-Octatriene (OCIMENE).Type: GrantFiled: December 14, 1999Date of Patent: September 18, 2001Assignee: Elf Atochem Italia S.r.l.Inventors: Luciano Abrigo, Carla Beretta, Ezio Montessoro, Michele Merenda
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Patent number: 6274668Abstract: Process for reducing the content of residual monomers, expressed as total VOC lower than 600 ppm and deriving from the monomers utilized to obtain the emulsion lower than 100 ppm; having an amount of wet coagula lower or equal to 500 ppm after wet filtering on 125 micron filter of the emulsion at the outlet after the various dropping phases, in polymrizations and copolymerizations in dispersion or emulsion in aqueous phase based on acrylic monomers, characterized in that it comprises as redox couple the utilization of a reducing agent selected from ascorbic acid or an aldehyde having a number of carbon atoms equal to or higher than 4 and containing at least a salifiable hydrogen, organic or inorganic, or its salts and the inorganic salifiable hydrogen being added to a carboxylic group; the aldehyde reducing agent or its salts being soluble in water for at least 5% by weight, preferably 10% by weight; and from an oxidizing agent consisting of an organic hydroperoxide in aqueous solution, excluding those solublType: GrantFiled: June 9, 2000Date of Patent: August 14, 2001Assignee: Elf Atochem Italia S.r.l.Inventors: Carlo Sempio, Leo Mario Saija, Daniele Becchi, Ezio Montessoro
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Publication number: 20010005768Abstract: A process for the di-ter-peroxide synthesis, wherein the condensation reaction between a tertiary hydroperoxide and a tertiary alcohol is carried out in the presence of an acid catalyst, constituted by a compound having a mono-sulphonated aromatic ring selected from the following formulae: 1Type: ApplicationFiled: June 2, 1999Publication date: June 28, 2001Inventors: EZIO MONTESSORO, MICHELE MERENDA
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Patent number: 6207776Abstract: Compositions for curing polymers comprising one or more organic peroxides and trans-stilbene.Type: GrantFiled: April 19, 1999Date of Patent: March 27, 2001Assignee: Elf Atochem Italia S.r.l.Inventors: Luciano Abrigo, Carla Beretta, Ezio Montessoro, Michele Merenda
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Patent number: 6093675Abstract: Process for reducing the content of residual monomers, expressed as total VOC lower than 600 ppm and deriving from the monomers utilized to obtain the emulsion lower than 100 ppm; having an amount of wet coagula lower or equal to 500 ppm after wet filtering on 125 micron filter of the emulsion at the outlet after the various dropping phases, in polymrizations and copolymerizations in dispersion or emulsion in aqueous phase based on acrylic monomers, characterized in that it comprises as redox couple the utilization of a reducing agent selected from ascorbic acid or an aldehyde having a number of carbon atoms equal to or higher than 4 and containing at least a salifiable hydrogen, organic or inorganic, or its salts and the inorganic salifiable hydrogen being added to a carboxylic group; the aldehyde reducing agent or its salts being soluble in water for at least 5% by weight, preferably 10% by weight; and from an oxidizing agent consisting of an organic hydroperoxide in aqueous solution, excluding those solublType: GrantFiled: October 9, 1997Date of Patent: July 25, 2000Assignee: Elf Atochem Italia S.r.l.Inventors: Carlo Sempio, Leo Mario Saija, Daniele Becchi, Ezio Montessoro
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Patent number: 6072007Abstract: Compositions for the polymer curing, comprising:A) one or more organic peroxidesandB) dicyclopentadieneType: GrantFiled: April 19, 1999Date of Patent: June 6, 2000Assignee: Elf Atochem Italia S.r.L.Inventors: Luciano Abrigo, Carla Beretta, Ezio Montessoro, Michele Merenda
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Patent number: 6066698Abstract: Compositions for the polymer curing, comprising:A) one or more organic peroxides andB) trans,trans-2,6-dimethyl-2,4,6-octatrieneType: GrantFiled: April 19, 1999Date of Patent: May 23, 2000Assignee: Elf Atochem Italia S.r.L.Inventors: Luciano Abrigo, Carla Beretta, Ezio Montessoro, Michele Merenda
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Patent number: 5721310Abstract: Process for reducing the content of residual monomers, expressed as total VOC lower than 600 ppm and deriving from the monomers utilized to obtain the emulsion lower than 100 ppm; having an amount of wet coagula lower or equal to 500 ppm after wet filtering on 125 micron filter of the emulsion at the outlet after the various dropping phases, in polymerizations and copolymerizations in dispersion or emulsion in aqueous phase based on acrylic monomers, characterized in that it comprises as redox couple the utilization of a reducing agent selected from ascorbic acid or an aldehyde having a number of carbon atoms equal to or higher than 4 and containing at least a salifiable hydrogen, organic or inorganic, or its salts and the inorganic salifiable hydrogen being added to a carboxylic group; the aldehyde reducing agent or its salts being soluble in water for at least 5% by weight, preferably 10% by weight; and from an oxidizing agent consisting of an organic hydroperoxide in aqueous solution, excluding those solubType: GrantFiled: October 3, 1996Date of Patent: February 24, 1998Assignee: Elf Atochem Italia S.r.l.Inventors: Carlo Sempio, Leo Mario Saija, Daniele Becchi, Ezio Montessoro
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Patent number: 5153272Abstract: There are described mixes, which are curable by using radical intermediates, are based on fluoroelastomers containing bromine or iodine, exhibit, during curing, a low emission of toxic vapors of methyl bromide or iodide and are characterized in that they contain, as cross-linking agents, peroxides having the following formulas: ##STR1## wherein the substitutents from R.sub.1 to R.sub.17 have the significances defined in the specification.Type: GrantFiled: July 23, 1990Date of Patent: October 6, 1992Assignee: Ausimont S.r.l.Inventors: Graziella Chiodini, Attilio LaGostina, Michele Merenda, Anna Minutillo, Ezio Montessoro