Patents by Inventor Nestor P. Hansen
Nestor P. Hansen 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: 10329462Abstract: A tackifying resin includes a farnesene-based polymer having monomeric units derived from a farnesene monomer and one or more optional comonomers selected from the group consisting of dienes, branched mono-olefins, and vinyl aromatics and has a softening point greater than or equal to 80 degrees Celsius. A method of making the farnesene-based polymer includes combining a farnesene monomer and a solvent and optionally adding one or more comonomers selected from the group consisting of dienes, branched mono-olefins, and vinyl aromatics, to provide a monomer feed, and polymerizing the monomer feed by combining the monomer feed with a Friedel-Crafts catalyst in a vessel. The tackifying resin may be combined with an elastomer to form a hot melt adhesive composition.Type: GrantFiled: August 2, 2018Date of Patent: June 25, 2019Assignee: FINA TECHNOLOGY, INC.Inventors: Keith A Nelson, Anaïs Pierre-Justin, Nestor P Hansen
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Publication number: 20180340103Abstract: A tackifying resin includes a farnesene-based polymer having monomeric units derived from a farnesene monomer and one or more optional comonomers selected from the group consisting of dienes, branched mono-olefins, and vinyl aromatics and has a softening point greater than or equal to 80 degrees Celsius. A method of making the farnesene-based polymer includes combining a farnesene monomer and a solvent and optionally adding one or more comonomers selected from the group consisting of dienes, branched mono-olefins, and vinyl aromatics, to provide a monomer feed, and polymerizing the monomer feed by combining the monomer feed with a Friedel-Crafts catalyst in a vessel. The tackifying resin may be combined with an elastomer to form a hot melt adhesive composition.Type: ApplicationFiled: August 2, 2018Publication date: November 29, 2018Inventors: Keith A. Nelson, Anaïs Pierre-Justin, Nestor P. Hansen
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Patent number: 10072186Abstract: A tackifying resin includes a farnesene-based polymer having monomeric units derived from a farnesene monomer and one or more optional comonomers selected from the group consisting of dienes, branched mono-olefins, and vinyl aromatics and has a softening point greater than or equal to 80 degrees Celsius. A method of making the farnesene-based polymer includes combining a farnesene monomer and a solvent and optionally adding one or more comonomers selected from the group consisting of dienes, branched mono-olefins, and vinyl aromatics, to provide a monomer feed, and polymerizing the monomer feed by combining the monomer feed with a Friedel-Crafts catalyst in a vessel. The tackifying resin may be combined with an elastomer to form a hot melt adhesive composition.Type: GrantFiled: July 31, 2015Date of Patent: September 11, 2018Assignee: Fina Technology, Inc.Inventors: Keith A. Nelson, Anaïs Pierre-Justin, Nestor P. Hansen
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Publication number: 20170029668Abstract: A tackifying resin includes a farnesene-based polymer having monomeric units derived from a farnesene monomer and one or more optional comonomers selected from the group consisting of dienes, branched mono-olefins, and vinyl aromatics and has a softening point greater than or equal to 80 degrees Celsius. A method of making the farnesene-based polymer includes combining a farnesene monomer and a solvent and optionally adding one or more comonomers selected from the group consisting of dienes, branched mono-olefins, and vinyl aromatics, to provide a monomer feed, and polymerizing the monomer feed by combining the monomer feed with a Friedel-Crafts catalyst in a vessel. The tackifying resin may be combined with an elastomer to form a hot melt adhesive composition.Type: ApplicationFiled: July 31, 2015Publication date: February 2, 2017Applicant: Fina Technology, Inc.Inventors: Keith A. Nelson, Anaïs Pierre-Justin, Nestor P. Hansen
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Publication number: 20160186023Abstract: An additive for imparting caustic removability to a hot melt adhesive includes a hydrocarbon copolymer containing one or more dicarboxylic acid moieties in at least partial ester form and a C5 hydrocarbon polymer comprising a polymeric backbone and, pendent thereon, one or more dicarboxylic acid moieties in at least partial ester form. The hydrocarbon copolymer and a C5 hydrocarbon polymer may have a weight average molecular weight less than 50,000, a flashpoint greater than or equal to 150° C., and may be soluble in a caustic solution having a pH of 8 or greater. A caustic removable hot melt adhesive composition may include the additive composition, a block copolymer, a tackifler, and/or a processing oil. The caustic removable hot melt adhesive composition may be applied to a label to adhere the label to the surface of an article, such as a recyclable bottle.Type: ApplicationFiled: December 22, 2015Publication date: June 30, 2016Applicant: Fina Technology, Inc.Inventors: William R. DOUGHERTY, Nestor P. HANSEN
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Publication number: 20140120280Abstract: An additive composition for imparting caustic removability to a hot melt adhesive includes an ester functionalized polymer having a polymeric backbone and, pendent thereon, one or more dicarboxylic acid moieties in at least partial ester form. The polymeric backbone has a weight average molecular weight less than 50,000. The ester functionalized polymer may be, for example, an at least partial ester of a maleated hydrocarbon. The additive may further include a low molecular weight ?,? ethylenically unsaturated anhydride-containing or acid-containing polymer. A caustic removable hot melt adhesive composition comprises a hot melt adhesive additive and a conventional hot melt adhesive resin. A caustic removable adhesive label comprises a substrate and a caustic removable hot melt adhesive composition which includes an additive composition. The caustic removable hot melt adhesives can be used on labels for articles, such as glass bottles.Type: ApplicationFiled: April 11, 2012Publication date: May 1, 2014Applicant: Cray Valley USA, LLCInventors: William R. Dougherty, Nestor P. Hansen
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Patent number: 8461277Abstract: An additive composition for imparting caustic removability to a hot melt adhesive comprises a low molecular weight ?,? ethylenically unsaturated anhydride-containing or acid-containing polymer. The polymer is selected from the group consisting of a low molecular weight carboxylic anhydride homo-polymer or the at least partial ester thereof, a low molecular weight carboxylic anhydride copolymer or the at least partial ester thereof, a low molecular weight carboxylic anhydride polyolefin, a low molecular weight carboxylic anhydride vinyl aromatic copolymer, and a low molecular weight carboxylic anhydride grafted copolymer, or the combination or mixtures thereof. A caustic removable hot melt adhesive composition comprises a hot melt adhesive additive and a conventional hot melt adhesive resin. A caustic removable adhesive label comprises a substrate and a caustic removable hot melt adhesive composition which includes an additive composition.Type: GrantFiled: April 5, 2010Date of Patent: June 11, 2013Assignee: Cray Valley USA, LLCInventors: William R. Dougherty, Alan J. Pape, Nestor P. Hansen, W. Paul Boggs, Charles C. Mateer
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Publication number: 20100255228Abstract: An additive composition for imparting caustic removability to a hot melt adhesive comprises a low molecular weight ?,? ethylenically unsaturated anhydride-containing or acid-containing polymer. The polymer is selected from the group consisting of a low molecular weight carboxylic anhydride homo-polymer or the at least partial ester thereof, a low molecular weight carboxylic anhydride copolymer or the at least partial ester thereof, a low molecular weight carboxylic anhydride polyolefin, a low molecular weight carboxylic anhydride vinyl aromatic copolymer, and a low molecular weight carboxylic anhydride grafted copolymer, or the combination or mixtures thereof. A caustic removable hot melt adhesive composition comprises a hot melt adhesive additive and a conventional hot melt adhesive resin. A caustic removable adhesive label comprises a substrate and a caustic removable hot melt adhesive composition which includes an additive composition.Type: ApplicationFiled: April 5, 2010Publication date: October 7, 2010Applicant: CRAY VALLEY TECHNOLOGY USA, LLCInventors: WILLIAM R. DOUGHERTY, Alan J. Pape, Nestor P. Hansen, W. Paul Boggs, Charles C. Mateer
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Patent number: 4533682Abstract: Adducts of imidazolidine compounds, such as the reaction product of ethylene diamine with cyclohexanone, are provided with organic polyepoxides, especially with low molecular weight polyepoxides where the imidazolidine acts as a chain extender, and the adduct is reacted with an acid to protonate at least 50% of the amine groups in the adduct. These protonated adducts can be dispersed in water to form dispersion which cure with various curing agents. Aqueous electrocoating baths can be provided which electrodeposit at the cathode.Type: GrantFiled: April 29, 1983Date of Patent: August 6, 1985Assignee: DeSoto, Inc.Inventors: Anthony J. Tortorello, Nestor P. Hansen, Kathryn M. Jarocki
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Patent number: 4480083Abstract: Adducts of oxazolidine compounds, such as the reaction product of monoethanol amine with cyclohexanone, are adducted with an organic polyepoxide and the adduct is reacted with an acid to protonate at least 50% of the amine groups in the adduct. These protonated adducts can be dispersed in water to form dispersions which cure with various curing agents. When all the epoxy groups are consumed by reaction with the oxazolidine, aqueous electrocoating baths can be formulated which may contain aminoplast resin or phenoplast curing agents.Type: GrantFiled: March 21, 1983Date of Patent: October 30, 1984Assignee: DeSoto, Inc.Inventors: Anthony J. Tortorello, Nestor P. Hansen