Patents by Inventor Hildeberto Nava
Hildeberto Nava 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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Publication number: 20230257500Abstract: Polymerizable compositions comprising a radically polymerizable resin can be polymerized in the absence of a peroxide initiator and other undesirable components. The polymerizable compositions and methods employ a manganese- or iron-containing salt or organic complex and a 1,3-dioxo compound with one or more other components. The polymerizable compositions have better storage stability and reduced gel time-drift.Type: ApplicationFiled: December 5, 2022Publication date: August 17, 2023Inventors: Hildeberto Nava, James Anthony Skrobacki, Samuel T. Freeman
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Patent number: 11518834Abstract: Polymerizable compositions comprising a radically polymerizable resin can be polymerized in the absence of a peroxide initiator and other undesirable components. The polymerizable compositions and methods employ a manganese- or iron-containing salt or organic complex and a 1,3-dioxo compound with one or more other components. The polymerizable compositions have better storage stability and reduced gel time-drift.Type: GrantFiled: December 30, 2019Date of Patent: December 6, 2022Assignee: Polynt Composites USA, Inc.Inventors: Hildeberto Nava, James Anthony Skrobacki, Samuel T. Freeman
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Publication number: 20200207895Abstract: Polymerizable compositions comprising a radically polymerizable resin can be polymerized in the absence of a peroxide initiator and other undesirable components. The polymerizable compositions and methods employ a manganese- or iron-containing salt or organic complex and a 1,3-dioxo compound with one or more other components. The polymerizable compositions have better storage stability and reduced gel time-drift.Type: ApplicationFiled: December 30, 2019Publication date: July 2, 2020Inventors: Hildeberto Nava, James Anthony Skrobacki, Samuel T. Freeman
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Patent number: 10570107Abstract: The present invention provides a process for forming vinyl-containing compounds including the steps of: a) reacting in a nitrogen atmosphere a dicarboxylic acid and/or anhydride and a functional mono or polyfunctional alcohol to provide a hydroxyl-containing polyester; b) reacting the hydroxyl-containing polyester with a vinyl-containing organic acid in the presence of an esterification catalyst, a polymerization inhibitor and an azeotropic agent; and c) reacting the vinyl functional esterified intermediate, residual esterification catalyst and residual vinyl-containing organic acid with an epoxy to provide the vinyl-containing compound.Type: GrantFiled: March 30, 2018Date of Patent: February 25, 2020Assignee: Reichhold LLC 2Inventors: Hildeberto Nava, Yongning Liu
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Patent number: 10544299Abstract: A process for forming a thermosetting resin in a nitrogen atmosphere is provided. The process includes the steps of a) reacting a polycarboxylic acid and/or anhydride and a polyhydric alcohol to provide a hydroxyl-containing intermediate; b) reacting the hydroxyl-containing intermediate with a vinyl-containing organic acid or vinyl containing alkyl ester in the presence of an esterification catalyst, a polymerization inhibitor and an azeotropic agent; and c) reacting any residual vinyl-containing organic acid and residual esterification catalyst with an epoxide.Type: GrantFiled: November 26, 2013Date of Patent: January 28, 2020Assignee: Reichhold LLC 2Inventors: Hildeberto Nava, Yongning Liu
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Publication number: 20180290992Abstract: The present invention provides a process for forming vinyl-containing compounds including the steps of: a) reacting in a nitrogen atmosphere a dicarboxylic acid and/or anhydride and a functional mono or polyfunctional alcohol to provide a hydroxyl-containing polyester; b) reacting the hydroxyl-containing polyester with a vinyl-containing organic acid in the presence of an esterification catalyst, a polymerization inhibitor and an azeotropic agent; and c) reacting the vinyl functional esterified intermediate, residual esterification catalyst and residual vinyl-containing organic acid with an epoxy to provide the vinyl-containing compound.Type: ApplicationFiled: March 30, 2018Publication date: October 11, 2018Inventors: Hildeberto Nava, Yongning Liu
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Publication number: 20180223039Abstract: The present invention relates generally to accelerators for the curing of thermosetting resins in the presence of metal compounds, quaternary ammonium and/or phosphonium salts, tertiary amines and/or phosphines and peroxide initiators, and methods of curing thermosetting resins using these accelerators.Type: ApplicationFiled: March 30, 2018Publication date: August 9, 2018Inventors: Hildeberto Nava, William A. Schramm, James Anthony Skrobacki
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Patent number: 10000602Abstract: The present invention relates generally to accelerators for the curing of thermosetting resins in the presence of metal compounds, quaternary ammonium and/or phosphonium salts, tertiary amines and/or phosphines and peroxide initiators, and methods of curing thermosetting resins using these accelerators.Type: GrantFiled: September 18, 2015Date of Patent: June 19, 2018Assignee: Reichhold LLC 2Inventors: Hildeberto Nava, William A. Schramm, James Anthony Skrobacki
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Patent number: 9957243Abstract: The present invention provides a process for forming vinyl-containing compounds including the steps of: a) reacting in a nitrogen atmosphere a dicarboxylic acid and/or anhydride and a functional mono or polyfunctional alcohol to provide a hydroxyl-containing polyester; b) reacting the hydroxyl-containing polyester with a vinyl-containing organic acid in the presence of an esterification catalyst, a polymerization inhibitor and an azeotropic agent; and c) reacting the vinyl functional esterified intermediate, residual esterification catalyst and residual vinyl-containing organic acid with an epoxy to provide the vinyl-containing compound.Type: GrantFiled: August 10, 2016Date of Patent: May 1, 2018Assignee: Reichhold LLC 2Inventors: Hildeberto Nava, Yongning Liu
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Publication number: 20160355490Abstract: The present invention provides a process for forming vinyl-containing compounds including the steps of: a) reacting in a nitrogen atmosphere a dicarboxylic acid and/or anhydride and a functional mono or polyfunctional alcohol to provide a hydroxyl-containing polyester; b) reacting the hydroxyl-containing polyester with a vinyl-containing organic acid in the presence of an esterification catalyst, a polymerization inhibitor and an azeotropic agent; and c) reacting the vinyl functional esterified intermediate, residual esterification catalyst and residual vinyl-containing organic acid with an epoxy to provide the vinyl-containing compound.Type: ApplicationFiled: August 10, 2016Publication date: December 8, 2016Inventors: Hildeberto Nava, Yongning Li
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Publication number: 20160096918Abstract: The present invention relates generally to accelerators for the curing of thermosetting resins in the presence of metal compounds, quaternary ammonium and/or phosphonium salts, tertiary amines and/or phosphines and peroxide initiators, and methods of curing thermosetting resins using these accelerators.Type: ApplicationFiled: September 18, 2015Publication date: April 7, 2016Inventors: Hildeberto Nava, William A. Schramm, James Anthony Skrobacki
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Patent number: 9068045Abstract: The compositions of the present invention for accelerating the curing of thermosetting resins, including a) an organophosphine metal complex, optionally with a transition metal salt essentially free of cobalt; b) a tertiary amine, optionally with a quaternary ammonium or phosphonium salt; and c) a peroxide initiator.Type: GrantFiled: March 28, 2014Date of Patent: June 30, 2015Assignee: Reichhold, Inc.Inventors: Hildeberto Nava, Anthony Skrobacki
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Publication number: 20140303315Abstract: The compositions of the present invention for accelerating the curing of thermosetting resins, including a) an organophosphine metal complex, optionally with a transition metal salt essentially free of cobalt; b) a tertiary amine, optionally with a quaternary ammonium or phosphonium salt; and c) a peroxide initiator.Type: ApplicationFiled: March 28, 2014Publication date: October 9, 2014Inventors: Hildeberto Nava, Anthony Skrobacki
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Publication number: 20140171568Abstract: A process for forming a thermosetting resin in a nitrogen atmosphere is provided. The process includes the steps of a) reacting a polycarboxylic acid and/or anhydride and a polyhydric alcohol to provide a hydroxyl-containing intermediate; b) reacting the hydroxyl-containing intermediate with a vinyl-containing organic acid or vinyl containing alkyl ester in the presence of an esterification catalyst, a polymerization inhibitor and an azeotropic agent; and c) reacting any residual vinyl-containing organic acid and residual esterification catalyst with an epoxide.Type: ApplicationFiled: November 26, 2013Publication date: June 19, 2014Inventors: Hildeberto Nava, Yongning Liu
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Patent number: 8110650Abstract: Methods of making unsaturated polyester compositions are provided and include reacting: (i) plant and animal oil triglycerides, an alkyl ester of a saturated or unsaturated fatty acid or mixtures thereof; (ii) a difunctional, or polyfunctional glycol or mixtures thereof; (iii) a difunctional or polyfunctional acid, their anhydrides or alkyl esters and mixtures thereof; (iv) a strained cycloolefin; (v) a component(s) that function as a compound capable of initiating polymerization at high temperature and which is stable at room temperature; and (vi) low profile additives, fillers and reinforcements.Type: GrantFiled: July 19, 2011Date of Patent: February 7, 2012Assignee: Reichold, Inc.Inventors: Hildeberto Nava, Lianzhou Chen
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Publication number: 20110275761Abstract: Methods of making unsaturated polyester compositions are provided and include reacting: (i) plant and animal oil triglycerides, an alkyl ester of a saturated or unsaturated fatty acid or mixtures thereof; (ii) a difunctional, or polyfunctional glycol or mixtures thereof; (iii) a difunctional or polyfunctional acid, their anhydrides or alkyl esters and mixtures thereof; (iv) a strained cycloolefin; (v) a component(s) that function as a compound capable of initiating polymerization at high temperature and which is stable at room temperature; and (vi) low profile additives, fillers and reinforcements.Type: ApplicationFiled: July 19, 2011Publication date: November 10, 2011Inventors: Hildeberto Nava, Lianzhou Chen
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Publication number: 20110207950Abstract: The present invention provides a process for forming vinyl-containing compounds including the steps of: a) reacting in a nitrogen atmosphere a dicarboxylic acid and/or anhydride and a functional mono or polyfunctional alcohol to provide a hydroxyl-containing polyester; b) reacting the hydroxyl-containing polyester with a vinyl-containing organic acid in the presence of an esterification catalyst, a polymerization inhibitor and an azeotropic agent; and c) reacting the vinyl functional esterified intermediate, residual esterification catalyst and residual vinyl-containing organic acid with an epoxy to provide the vinyl-containing compound.Type: ApplicationFiled: February 10, 2011Publication date: August 25, 2011Inventors: Hildeberto Nava, Yongning Liu
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Patent number: 7985826Abstract: Unsaturated polyester compositions are disclosed that are obtainable by reacting: (i) plant and animal oil triglycerides, an alkyl ester of a saturated or unsaturated fatty acid or mixtures thereof; (ii) a difunctional, or polyfunctional glycol or mixtures thereof; (iii) a difunctional or polyfunctional acid, their anhydrides or alkyl esters and mixtures thereof; (iv) a strained cycloolefin; (v) a component(s) that function as a compound capable of initiating polymerization at high temperature and which is stable at room temperature; and (vi) low profile additives, fillers, and reinforcements. Also disclosed are methods for the preparation of the polyesters and the use of the polyesters in closed and open mold compositions such as sheet molding compound (SMC), bulk molding compounding (BMC), resin transfer molding (RTM), pultrusion, infusion, filament winding, and spray up.Type: GrantFiled: December 22, 2006Date of Patent: July 26, 2011Assignee: Reichhold, Inc.Inventors: Hildeberto Nava, Lianzhou Chen
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Publication number: 20080154002Abstract: Unsaturated polyester compositions are disclosed that are obtainable by reacting: (i) plant and animal oil triglycerides, an alkyl ester of a saturated or unsaturated fatty acid or mixtures thereof; (ii) a difunctional, or polyfunctional glycol or mixtures thereof; (iii) a difunctional or polyfunctional acid, their anhydrides or alkyl esters and mixtures thereof; (iv) a strained cycloolefin; (v) a component(s) that function as a compound capable of initiating polymerization at high temperature and which is stable at room temperature; and (vi) low profile additives, fillers and reinforcements. Also disclosed are methods for the preparation of the polyesters and the use of the polyesters in closed and open mold compositions such as sheet molding compounding (SMC), bulk molding compounding (BMC), resin transfer molding (RTM), pultrusion, infusion, filament winding, and spray up.Type: ApplicationFiled: December 22, 2006Publication date: June 26, 2008Inventors: Hildeberto Nava, Lianzhou Chen
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Publication number: 20070270542Abstract: The present invention provides a crosslinkable polymer system that can be crosslinked to form a wide variety of polymeric, copolymeric and oligomeric compounds. The crosslinkable system comprises (a) product Q formed from an aromatic ethylenically unsaturated moiety and a first reactive ethylenically unsaturated moiety, and (b) a second reactive ethylenically unsaturated moiety at least partially reacted with the first reactive ethylenically unsaturated moiety.Type: ApplicationFiled: August 2, 2007Publication date: November 22, 2007Inventors: Hildeberto Nava, Aaron Small