Patents Assigned to Sun Chemical
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Patent number: 12275860Abstract: Described are primer coatings, overprint varnishes, and seaming solution solutions for application to substrates such as those used to make wrap around and sleeve labels, particularly shrink wrap labels, which are used to label containers. The labels can be digitally printed with or without lane priming. With certain seaming solutions, the labels can be removed in the wash stage to enable the recycling of containers.Type: GrantFiled: March 13, 2020Date of Patent: April 15, 2025Assignee: Sun Chemical CorporationInventors: Yongping Zha, Philippe Schottland, Robert Mateuszczyk, Jing Jiang, Joanne Guite, Nissra Kousar
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Publication number: 20250109237Abstract: Described herein are solvent-based polyurethane polymers having equal to or greater than 50% bio-based carbon content (% BRC). The solvent-based polyurethanes are prepared using bio-based raw materials, such as bio-based polyols. Lamination inks comprising the polyurethanes described herein have lamination bond strengths as good as or better than currently available non-BRC or low-BRC inks.Type: ApplicationFiled: July 18, 2023Publication date: April 3, 2025Applicant: Sun Chemical CorporationInventors: Xiaobo ZHU, Ralph ARCURIO, Evan MARGARETTA, Stewart CARSON, Robert DEIGHTON
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Publication number: 20250109307Abstract: An LED curable lithographic ink comprising: 25-85% of one or more acrylates, wherein at least one acrylate is a pentaacrylate or hexaacrylate; 0-20% of one or more photoinitiators; 5-60% of one or more rosin-modified polyester resins, wherein the rosin-modified polyester resin has a molecular weight of 5,000 to 35,000 Daltons; 0.2-5% of one or more aluminum additives; 0.1-5% of one or more polymerization stabilizers; and 0-50% colorant.Type: ApplicationFiled: September 22, 2023Publication date: April 3, 2025Applicant: SUN CHEMICAL B.V.Inventors: Christian JOHNKE, Kai-Uwe GAUDL, Matthias HELLBLAU
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Publication number: 20250109423Abstract: The present invention provides a powdered or fibrous or granular or pelleted material, and a method for preparing the material, for measuring glucose concentration in a liquid sample. The devices are typically in the form of a chemically treated granular or powdered or fibrous or pelleted material. The granular or powdered or pelleted or fibrous material is treated with a reagent mixture or solution comprising an enzyme or enzymes, or a combination of an enzyme with a pigment or another compound, a chromogen, and neutralizer. The chromogen in the reagent solution changes color when the reagent solution is exposed to glucose.Type: ApplicationFiled: March 10, 2023Publication date: April 3, 2025Applicant: Sun Chemical CorporationInventors: Maura MOSTOWY-GALLAGHER, Mohammad S. FARAHAT, Russell SCHWARTZ
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Patent number: 12264120Abstract: The present invention relates to amine synergists comprising the structure element of a substituted 1,3-propanedione and their use in radiation or energy curing by actinic light. The amine synergists of the present invention are particularly useful for printing and coating materials wherein low migration and/or low odor is required, such as food packaging and other sensitive packaging applications.Type: GrantFiled: December 22, 2022Date of Patent: April 1, 2025Assignee: Sun Chemical CorporationInventors: Jürgen Dieker, Florian Maesing
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Publication number: 20250073960Abstract: A method of recycling plastic articles, such as bottles and labels affixed to bottles, that are printed with UV curable inks, wherein the inks and colorants from the inks are removed as solid particles upon treatment with a hot alkaline solution to provide colorless or nearly colorless plastic materials for recycling that are not contaminated by the inks or colorants.Type: ApplicationFiled: February 3, 2023Publication date: March 6, 2025Applicant: Sun Chemical CorporationInventors: Miriam MENDEZ, Rich BIANCHI, John DONALESKI
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Patent number: 12215237Abstract: The present invention provides a high opacity solvent based white ink or coating composition that provides high levels of opacity to substrates used for packaging materials that are printed via flexography or gravure. The ink or coating composition contains up to 75 wt % titanium dioxide, while still having a viscosity suitable for flexographic and gravure printing methods.Type: GrantFiled: December 22, 2022Date of Patent: February 4, 2025Assignee: Sun Chemical CorporationInventors: Jarol Osorio, Everett Garrish
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Publication number: 20250034438Abstract: The present application describes a compostable cold seal cohesive composition. The present application also describes a packaging structure comprising the compostable coldseal cohesive composition of the invention.Type: ApplicationFiled: January 19, 2023Publication date: January 30, 2025Applicant: SUN CHEMICAL B.V.Inventors: Thierry FRINAULT, Andrew MACDONALD
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Patent number: 12187907Abstract: The present invention provides energy curable compositions comprising self-initiating oligomers, amine synergists and Group IV metal chelates. The compositions optionally comprise acrylate monomers having carbonate ester, carbamate, or oxazolidinone groups. The compositions of the present invention exhibit improved cure, and are suitable for packaging, such as food packaging.Type: GrantFiled: July 28, 2021Date of Patent: January 7, 2025Assignee: Sun Chemical CorporationInventors: Mathew C. Mathew, David Biro
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Publication number: 20250002734Abstract: The present invention provides energy-curable laminating inks and coatings comprising cellulose acetate butyrate (CAB) resins and aminosilanes. When printed and cured on a substrate, the inks and coatings have a color density of at least 1.75, and an adhesive lamination bond strength of equal to or greater than 50 g/linear inch. The energy-curable inks and coatings are suitable for flexographic printing.Type: ApplicationFiled: October 11, 2023Publication date: January 2, 2025Applicant: Sun Chemical CorporationInventors: Ramasamy KRISHNAN, Mark SCHNEIDER, David KLEIN
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Publication number: 20240417569Abstract: The present invention provides water-based primer compositions comprising polyolefin type adhesion promoters. Preferably, the polyolefin type adhesion promoter is a maleated polyolefin type adhesion promoter. The primer compositions improve adhesion of water-based inks and coatings to low-treatment substrates.Type: ApplicationFiled: August 27, 2024Publication date: December 19, 2024Applicant: SUN CHEMICAL CORPORATIONInventors: Bruce Marshall, Benjamin Floyd
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Publication number: 20240409760Abstract: The present invention provides a high opacity solvent based white ink or coating composition that provides high levels of opacity to substrates used for packaging materials that are printed via flexography or gravure. The ink or coating composition contains up to 75 wt % titanium dioxide, while still having a viscosity suitable for flexographic and gravure printing methods.Type: ApplicationFiled: December 22, 2022Publication date: December 12, 2024Applicant: Sun Chemical CorporationInventors: Jarol OSORIO, Everett GARRISH
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Patent number: 12165479Abstract: The present invention provides self-disabling tamper evident gift cards, and methods for making and using the gift cards. The gift cards comprise a hidden lower level activation code, and an upper level activation code that is visible. The gift cards incorporate one or more features that render either the lower level or upper level, or both, activation codes unreadable once the lower level activation code is revealed. This prevents card activation at a later time after a first instance when the activation code is accessed.Type: GrantFiled: September 17, 2020Date of Patent: December 10, 2024Assignee: Sun Chemical CorporationInventors: Carl Weisbecker, Mohammad S. Farahat
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Patent number: 12152155Abstract: Described herein are printing inks that are safe for direct contact with food. The inks contain colorants and other substances which comply with regulations governing the amounts of substances determined to be safe in the event one or more of the ink-containing substances were to migrate into foods or beverages, The inks exhibit resistance to removal. Also described are sets of inks. The inks provide wide color gamut.Type: GrantFiled: July 9, 2020Date of Patent: November 26, 2024Assignee: Sun Chemical CorporationInventors: Robert Deighton, Stewart Carson, Simon Wild, Michael Simoni
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Patent number: 12152342Abstract: The present invention provides ink and coating compositions for printing on non-woven substrates or fabrics. Advantageously, the compositions of the invention can be used either as one component (1K) or two component (2K) ink systems. The compositions of the invention exhibit improved properties, such as ink adhesion ratings, as shown by a rub test, compared to commercially available inks designed to be printed on non-woven substrates.Type: GrantFiled: April 22, 2021Date of Patent: November 26, 2024Assignee: Sun Chemical CorporationInventors: Alex Chudolij, Richard Bianchi, Arnold Gibaldi
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Publication number: 20240376336Abstract: The present invention provides water-based polymeric coatings, which are free of styrene, have enhanced bio-based content, excellent water resistance, grease resistances, and are heat sealable. The coatings are highly suitable for surface treatment of cellulose-based substrates and finished products made therefrom, for example disposable drinking cups.Type: ApplicationFiled: September 20, 2022Publication date: November 14, 2024Applicant: SUN CHEMICAL CORPORATIONInventors: Vanessa Gordon, Xiaobo Zhu, Yongping Zha, Philippe Schottland, Ralph Arcurio
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Patent number: 12129387Abstract: The present invention provides a composition comprising a synergistic combination of at least three dispersant classes, which is used to produce ultra-stable disperse dye dispersions and inks having azo-functional colorants.Type: GrantFiled: July 13, 2022Date of Patent: October 29, 2024Assignee: SUN CHEMICAL CORPORATIONInventors: Paul Wallace, Ian Whitehead, Yves Gentil
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Patent number: 12116490Abstract: An electron-beam curable ink or coating for sensitive applications such as food packaging and pharmaceutical packaging. The ink or coating of the invention comprises a high bio-renewable content. A printed article or laminate comprising a cured layer derived from the ink or coating of the invention.Type: GrantFiled: April 8, 2022Date of Patent: October 15, 2024Assignee: Sun Chemical CorporationInventors: Joerg Adams, Kai-Uwe Gaudl, Matthias Hellblau
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Patent number: 12110417Abstract: Described herein are heat resistant inks and coating compositions that, when coated on a substrate, impart the feel of paper. The inks and coating compositions do not degrade when exposed to temperatures of 120° C. or greater.Type: GrantFiled: December 11, 2019Date of Patent: October 8, 2024Assignee: Sun Chemical CorporationInventors: Craig Boyd, David Majewski
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Patent number: 12110398Abstract: It has been found that bismuth can be milled into pigment platelets. A metallic pigment comprises bismuth metal and an organic additive. The pigment is platelet shaped. In addition, the platelet shaped pigment comprising bismuth metal can be produced by physical vapor deposition (PVD) methods. In some embodiments, the metallic pigment comprises multiple layers.Type: GrantFiled: May 12, 2021Date of Patent: October 8, 2024Assignee: SUN CHEMICAL CORPORATIONInventors: Blayne Phillips, Jonathan Doll, Jami Bennett, Lisa Clapp, Russell Schwartz