Patents by Inventor Roberto Cavalieri
Roberto Cavalieri 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: 11920049Abstract: Powder coating compositions for low temperature cure between 100° C. and 150° C. The powder coating compositions contain: a) a carboxylic acid functional resin A which is a polyester resin A having carboxylic acid groups, b) a first glycidyl functional resin B1 which is a bisphenol A based epoxy resin having glycidyl groups, c) a second glycidyl functional resin B2 which is a phenol or cresol epoxy novolac resin having glycidyl groups, and d) at least one thermosetting curing catalyst C. Such powder coating compositions may exhibit, upon curing, an excellent combination of physical properties such as smoothness, flexibility, hardness and, above all, an outstanding durability for the MEK impregnation test.Type: GrantFiled: October 28, 2019Date of Patent: March 5, 2024Assignees: ALLNEX USA INC, ALLNEX ITALY SRLInventors: Roberto Cavalieri, Callistus Ugoh Ezeagu
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Patent number: 11920058Abstract: The invention relates to powder coating compositions suitable for low temperature powder coating crosslinking typically at curing temperature is between 75 and 140° C. which can be used for powder coating temperature-sensitive substrates like MDF, wood, plastic or temperature sensitive metal alloys.Type: GrantFiled: January 25, 2019Date of Patent: March 5, 2024Assignee: ALLNEX NETHERLANDS B.V.Inventors: Richard Hendrikus Gerrit Brinkhuis, Robert Watson, Martin Bosma, Petrus Johannes Maria David Elfrink, Antonius Johannes Wilhelmus Buser, Pengcheng Yang, Roberto Cavalieri, Massimiliano Censi, Robertino Chinellato, Alessandro Minesso
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Publication number: 20220025207Abstract: The present invention relates to powder coating compositions for low temperature cure between 100° C. and 150° C. The powder coating composition comprises: a) a carboxylic acid functional resin A which is a polyester resin A having carboxylic acid groups, b) a first glycidyl functional resin B1 which is a bisphenol A based epoxy resin having glycidyl groups, c) a second glycidyl functional resin B2 which is a phenol or cresol epoxy novolac resin having glycidyl groups, and d) At least one thermosetting curing catalyst C. Such powder coating composition may exhibit, upon curing, an excellent combination of physical properties such as smoothness, flexibility, hardness and, above all, an outstanding durability for the MEK impregnation test.Type: ApplicationFiled: October 28, 2019Publication date: January 27, 2022Applicants: ALLNEX USA INC., ALLNEX ITALY SRLInventors: Roberto CAVALIERI, Callistus Ugoh EZEAGU
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Patent number: 11104809Abstract: The invention relates to a powder coating composition for low temperature curing that can be used on temperature sensitive substrates and, despite of the low curing temperature, has excellent flow properties and forms a coating with excellent appearance and nevertheless also good mechanical and weathering properties. The invention also relates to an advantageous process for the manufacture of the powder coating composition. Said powder coating composition comprises a poly-acid functional polyester component A, a poly-epoxy functional component B, a poly-anhydride functional component C and a thermosetting curing catalyst D. The invention also relates to a polyester for use in the powder coating compositions according to the invention, in particular for durable powder coatings.Type: GrantFiled: July 4, 2017Date of Patent: August 31, 2021Assignee: ALLNEX NETHERLANDS B.V.Inventors: William Weaver, Robert Watson, Richard Hendrikus Gerrit Brinkhuis, Martin Bosma, Paul Jones, Steve White, Dimitrios Baxevanis, Roberto Cavalieri
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Publication number: 20210062009Abstract: The invention relates to powder coating compositions suitable for low temperature powder coating crosslinking typically at curing temperature is between 75 and 140° C. which can be used for powder coating temperature-sensitive substrates like MDF, wood, plastic or temperature sensitive metal alloys.Type: ApplicationFiled: January 25, 2019Publication date: March 4, 2021Applicant: Allnex Netherlands B.V.Inventors: Richard Hendrikus Gerrit BRINKHUIS, Robert WATSON, Martin BOSMA, Petrus Johannes Maria David ELFRINK, Antonius Johannes Wilhelmus BUSER, Pengcheng YANG, Roberto CAVALIERI, Massimiliano CENSI, Robertino CHINELLATO, Allessandro MINESSO
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Publication number: 20190161625Abstract: The invention relates to a powder coating composition for low temperature curing that can be used on temperature sensitive substrates and, despite of the low curing temperature, has excellent flow properties and forms a coating with excellent appearance and nevertheless also good mechanical and weathering properties. The invention also relates to an advantageous process for the manufacture of the powder coating composition. Said powder coating composition comprises a poly-acid functional polyester component A, a poly-epoxy functional component B, a poly-anhydride functional component C and a thermosetting curing catalyst D. The invention also relates to a polyester for use in the powder coating compositions according to the invention, in particular for durable powder coatings.Type: ApplicationFiled: July 4, 2017Publication date: May 30, 2019Applicants: Allnex Netherlands B.V., ALLNEX Resins UK Limited, ALLNEX Italy srlInventors: William WEAVER, Robert WATSON, Richard Hendrikus Gerrit BRINKHUIS, Martin BOSMA, Paul JONES, Steve WHITE, Dimitrios BAXEVANIS, Roberto CAVALIERI
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Patent number: 9873817Abstract: A thermosetting powder coating composition comprising a binder, wherein 100 parts by weight of the binder comprises (A) from 30 to 70 parts by weight of at least one carboxylic acid functional branched polyester having an acid number of at least 77 mg KOH/g, and (B) from 70 to 30 parts by weight of at least one carboxylic acid functional polyester having an acid number of lower than 50 mg KOH/g. The thermosetting powder composition may be used for coating metallic and non-metallic substrates, it provides outstanding flow and permits to obtain low gloss coatings, provides excellent mechanical properties, and exhibits good solvent resistance and weathering.Type: GrantFiled: February 11, 2014Date of Patent: January 23, 2018Assignee: ALLNEX ITALY SRLInventors: Alessandro Minesso, Roberto Cavalieri, Robertino Chinellato
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Patent number: 9353286Abstract: A thermosetting and/or radiation curable powder with a binder prepared from a polyester (PE) obtained from a polyol with lower amounts of neopentyl glycol (NPG). The powder forms smooth defect free coats and is resistant to contamination from conventional NPU-rich PE.Type: GrantFiled: January 30, 2009Date of Patent: May 31, 2016Assignee: ALLNEX ITALY SRLInventors: Roberto Cavalieri, Alessandro Minesso, Luc Moens, Delfio Favrin
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Publication number: 20140163157Abstract: Carboxylic acid functional branched polyester having an acid number of at least 77 mg KOH/g, being the reaction product of a polybasic organic carboxylic acid and/or its anhydride and a branched hydroxyl functional polyester obtained from (i) 70 to 100 mole % of terephthalic acid and/or isophtalic acid and, optionally, from 0 to 30 mole % of another polycarboxylic acid, referring to the polyacid constituents, (ii) 10 to 50 mole % of ethylene glycol, 50 to 88.5 mole % of at least one other aliphatic or cycloaliphatic diol and 1.5 to 15 mole % of at least one polyol having at least 3 hydroxyl groups, referring to the polyol constituents.Type: ApplicationFiled: February 11, 2014Publication date: June 12, 2014Applicant: ALLNEX ITALY S.R.L.Inventors: Alessandro MINESSO, Roberto CAVALIERI, Robertino CHINELLATO
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Publication number: 20100311896Abstract: There is described a thermosetting and/or radiation curable powder with a binder prepared from a polyester (PE) obtained from a polyol with lower amounts of neopentyl glycol (NPG). The powder forms smooth defect free coats and is resistant to contamination from conventional NPG-rich PE. The powder comprises a binder of a co-reactable blend of (i) 40-98% by weight (w/w) at least one OH, COOH or ethylenically functional (fn) PE having acid or OH number 10-100 mg KOH/g, T9>40° C., where the PE is obtained from reacting a polyacid comprising 70-100% weight of terephthalic acid (TPA) and/or isophthalic acid (IPA) and 0-30% w/w another polyacid; with a polyol comprising 0-85% w/w NPG and 15-100% w/w another polyhydric polyol; (ii) 2-60% w/w at least one glycidyl or isocyanate fn polyphenoxy resin; polyepoxy and/or ?-hydroxyalkylamide crosslinker or ethylenically functional oligomer; and (iii) 0.Type: ApplicationFiled: January 30, 2009Publication date: December 9, 2010Applicant: CYTEC ITALY S.R.L.Inventors: Roberto Cavalieri, Alessandro Minesso, Luc Moens, Delfio Favrin
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Publication number: 20100120978Abstract: The present invention relates to a carboxylic acid functional branched polyester, having an acid number of at least 77 mg KOH/g, said carboxylic acid functional branched polyester being the reaction product of a polybasic organic carboxylic acid or its anhydride, preferably trimellitic anhydride, and a branched hydroxyl functional polyester obtained from 70 to 100 mole % of terephthalic acid and/or isophthalic acid and, optionally, from 0 to 30 mole % of another polycarboxylic acid, referring to the polyacid constituents, from 10 to 50 mole % of ethylene glycol, from 50 to 87.5 mole % of at least one other aliphatic or cycloaliphatic diol and from 1.5 to 15 mole % of at least one polyol, referring to the polyol constituents, as well as to the use of this polyester to prepare powder coating compositions which present a low gloss, especially of below 35% (at 60°), when used in combination with standard powder coating polyesters and crosslinkers.Type: ApplicationFiled: March 21, 2008Publication date: May 13, 2010Inventors: Alessandro Minesso, Roberto Cavalieri, Robertino Chinellato
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Patent number: 7390849Abstract: Resins for powder coatings which are thermally and radiation curable containing both olefinically unsaturated groups and at least one other reactive group in the same molecules selected from epoxide groups and acid groups, a method for their preparation, and the use thereof in powder coating compositions.Type: GrantFiled: February 2, 2004Date of Patent: June 24, 2008Assignee: Surface Specialties Italy s.r.l.Inventors: Roberto Cavalieri, Sergio Gazzea
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Patent number: 7056974Abstract: A method of use of copolymers containing fluoro groups and hydroxyl groups as additives in powder coating materials, comprising mixing these component with powder coatings resins, the copolymers comprising units of the following monomers: olefinically unsaturated monomers having from 5 to 40 carbon atoms, at least one hydroxyl group, and at least one free-radically polymerizable C?C double bond, alkyl esters of monoolefinically unsaturated monocarboxylic acids or dialkyl esters of olefinically unsaturated dicarboxylic acids or mixtures thereof, and (per)fluoroalkyl esters of said carboxylic acids, and powder coating materials which comprise these additives for the purpose of improving the flow properties and the surface.Type: GrantFiled: October 19, 2004Date of Patent: June 6, 2006Assignee: Solutia Austria GmbHInventors: Gerald Hobisch, Peter Morre, Roberto Cavalieri, Sergio Gazzea, Robertino Chinellato
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Publication number: 20060100373Abstract: Resins for powder coatings which are thermally and radiation curable containing both olefinically unsaturated groups and at least one other reactive group in the same molecules selected from epoxide groups and acid groups, a method for their preparation, and the use thereof in powder coating compositions.Type: ApplicationFiled: February 2, 2004Publication date: May 11, 2006Inventors: Roberto Cavalieri, Sergio Gazzea
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Publication number: 20050053786Abstract: A method of use of copolymers containing fluoro groups and hydroxyl groups as additives in powder coating materials, comprising mixing these component with powder coatings resins, the copolymers comprising units of the following monomers: olefinically unsaturated monomers having from 5 to 40 carbon atoms, at least one hydroxyl group, and at least one free-radically polymerizable C?C double bond, alkyl esters of monoolefinically unsaturated monocarboxylic acids or dialkyl esters of olefinically unsaturated dicarboxylic acids or mixtures thereof, and (per)fluoroalkyl esters of said carboxylic acids, and powder coating materials which comprise these additives for the purpose of improving the flow properties and the surface.Type: ApplicationFiled: October 19, 2004Publication date: March 10, 2005Inventors: Gerald Hobisch, Peter Morre, Roberto Cavalieri, Sergio Gazzea, Robertino Chinellato
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Publication number: 20040147691Abstract: The invention concerns solid epoxidic cycloaliphatic hydroxylate resins, a process for the production thereof and compositions of hardenable powder-base paints containing the said resins. In particular, the said procedure enables solid epoxidic cycloaliphatic hydroxylate resins to be prepared with Tg≧35° C., epoxidic equivalent weight between 190 and 3,000, preferably between 250 and 2,000, Hydroxyl Number between 15 and 200 mg KOH/g, numeric molecular weight between 800 and 15,000, preferably lying between 1,000 and 10,000.Type: ApplicationFiled: February 10, 2004Publication date: July 29, 2004Inventors: Sergio Gazzea, Robertinio Chinellato, Roberto Cavalieri, Carlo Fumagalli, Roberto Pirola, Barbara Carantani
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Publication number: 20030105236Abstract: A method of use of copolymers containing fluoro groups and hydroxyl groups as additives in powder coating materials, comprising mixing these component with powder coatings resins, the copolymers comprising units of the following monomers: olefinically unsaturated monomers having from 5 to 40 carbon atoms, at least one hydroxyl group, and at least one free-radically polymerizable C═C double bond, alkyl esters of monoolefinically unsaturated monocarboxylic acids or dialkyl esters of olefinically unsaturated dicarboxylic acids or mixtures thereof, and (per)fluoroalkyl esters of said carboxylic acids, and powder coating materials which comprise these additives for the purpose of improving the flow properties and the surfaceType: ApplicationFiled: November 15, 2002Publication date: June 5, 2003Inventors: Gerald Hobisch, Peter Morre, Roberto Cavalieri, Sergio Gazzea, Robertino Chinellato