Patents by Inventor Gregory P. Sorenson
Gregory P. Sorenson 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: 11993004Abstract: A composition comprises a cyanoacrylate polymer and a protected amine. A method comprises: providing a shaped model comprising a cyanoacrylate polymer; preparing an investment having a cavity that corresponds to the shaped model; and heating the shaped model to sufficient temperature that the cyanoacrylate polymer depolymerizes and volatilizes. A hardenable material may be cast in the investment to provide a replica of the shaped model. A curable composition comprises: a cyanoacrylate monomer; a free-radical photoinitiator; and a protected amine, wherein the curable composition is free of compounds that initiate anionic polymerization of the cyanoacrylate monomer at ambient temperature. A method of curing the curable composition is also disclosed.Type: GrantFiled: September 24, 2020Date of Patent: May 28, 2024Assignee: 3M Innovative Properties CompanyInventors: Ilya Gorodisher, Gregory P. Sorenson
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Publication number: 20240124639Abstract: A two-part curable composition is provided that includes a first part that includes an oxamido-containing compound and a second part that includes an epoxy resin. The oxamido-containing compound includes at least one first segment derived from a first polyamine and at least one second segment derived from a second polyamine that is different than the first polyamine. The oxamido-containing compound has at least two amino (—NH2) groups that can react with the epoxy resin in the second part of the curable composition. Each part of the curable composition is flowable, often at room temperature or slightly above room temperature, and can be mixed to form a cured composition having structural bonding performance.Type: ApplicationFiled: February 7, 2022Publication date: April 18, 2024Inventors: Kolby L. White, Gregory P. Sorenson, Matthew J. Kryger
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Patent number: 11945944Abstract: The disclosure relates to a curable composition comprising: a polymerizable epoxy-acrylate resin composition having a complex viscosity at 25° C. and 1 Hz frequency of at least about 4500 Pa-s and a probe tack peak force of at least about 300 kPa; and abrasive particles partially or fully embedded in the polymerizable epoxy-acrylate resin composition. The disclosure also relates to cured compositions formed from such curable compositions, wherein the abrasive particles are partially or fully embedded in the cured composition. In addition, the disclosure relates to abrasive articles made from such cured compositions as well as methods for making abrasive articles.Type: GrantFiled: December 4, 2017Date of Patent: April 2, 2024Assignee: 3M Innovative Properties CompanyInventors: Kathleen S. Shafer, Rebecca A. Putans, Ernest L. Thurber, Cyrus A. Anderson, Corinne E. Lipscomb, Thomas J. Nelson, Gregory P. Sorenson, Chainika Jangu
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Patent number: 11865673Abstract: The disclosure relates to layers comprising a body having a thickness, T, comprising a curable composition comprising a polymerizable epoxy-acrylate resin composition and abrasive particles at least partially embedded in the polymerizable epoxy-acrylate resin composition, wherein the body includes a plurality of void spaces free of the curable composition extending into the body from the first major surface and the depth of the plurality of void spaces is at least 10 percent of thickness T. The disclosure also relates to cured compositions formed from such curable compositions and, in turn, abrasive articles made from such cured compositions as well as methods for making abrasive articles.Type: GrantFiled: December 6, 2018Date of Patent: January 9, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Chainika Jangu, Michael J. Annen, Deborah J. Eilers, David M. Mahli, Caroline E. Morel, Kathleen S. Shafer, Gregory P. Sorenson
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Publication number: 20230356361Abstract: An abrasive article comprises abrasive particles adhered to a substrate by a binder material. The binder material comprises an at least partially cured resole phenolic resin and an organic polymeric rheology modifier. The amount of the at least partially cured resole phenolic resin comprises 99.01 to 99.98 weight percent of the combined weight of the at least partially cured resole phenolic resin and the organic polymeric rheology modifier. Methods of making the abrasive article are also disclosed.Type: ApplicationFiled: October 7, 2021Publication date: November 9, 2023Inventors: Gregory P. Sorenson, ILYA Gorodisher, Ernest L. Thurber, Thomas J. Nelson
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Publication number: 20230356362Abstract: A method of making a coated abrasive article comprises sequential steps: disposing a curable composition on a major surface of a backing b) adhering abrasive particles to the curable composition; c) at least partially curing the free-radically polymerizable component; and d) at least partially curing the phenolic resin component to provide an at least partially cured composition. The curable composition comprises a phenolic resin component, a free-radically polymerizable component, and an organic polymeric rheology modifier, wherein the organic polymeric rheology modifier comprises an alkali-swellable/soluble polymer, and wherein, on a solid basis, the organic polymeric rheology modifier comprises from 0.001 to 5 weight percent of the phenolic resin component, the free-radically polymerizable component, and the organic polymeric rheology modifier combined. A variant wherein step b) effectively occurs after step c) is also disclosed. Abrasive articles made according to the methods are also disclosed.Type: ApplicationFiled: August 19, 2021Publication date: November 9, 2023Inventors: Ernest L. Thurber, Thomas J. Nelson, Gregory P. Sorenson, Junting Li, Daniel M. Lentz, Brian G. Koethe, Jon T. Schwartz, Jing Zhang, Ann M. Hawkins, Geoffrey I. Wilson, Blake R. Rustad, Gregory S. Mueller
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Publication number: 20230286112Abstract: A coated abrasive article comprises a backing having first and second opposed major surfaces, a make layer disposed on at least a portion of the first major surface and bonding abrasive particles to the backing, a size layer overlaid on at least a portion of the make layer and the abrasive particles, and a supersize layer disposed on the size layer. The supersize layer comprises an at least partially cured water-based epoxy resin and an organic polymeric rheology modifier, and wherein the amount of the at least partially cured epoxy resin comprises from 75 to 99.99 weight percent of the combined weight of the at least partially cured epoxy resin and the organic polymeric rheology modifier. A method of making the coated abrasive article is also disclosed.Type: ApplicationFiled: July 20, 2021Publication date: September 14, 2023Inventors: Ernest L. Thurber, Gregory P. Sorenson, ILYA Gorodisher, Thomas J. Nelson, Junting Li, Daniel M. Lentz
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Publication number: 20230132198Abstract: A filament article containing a curable composition is provided. The filament article has a first part containing an epoxy resin and a second part containing a polyamine having at least two secondary or primary amino groups. The first part is surrounded by a sheath and a second part surrounded by a sheath. Either 1) the first part surrounded by the sheath and the second part surrounded by the sheath are each a separate filament or 2) the first part surrounded by the sheath and the second part surrounded by the sheath combine to form a composite filament. The curable filament article can be used to form a cured composition having structural bonding performance.Type: ApplicationFiled: March 16, 2021Publication date: April 27, 2023Inventors: Gregory P. Sorenson, Ross E. Behling, John Christopher Thomas
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Publication number: 20230059614Abstract: A coated abrasive article comprises a backing having first and second opposed major surfaces, a make layer disposed on at least a portion of the first major surface and bonding abrasive particles to the backing, a size layer overlaid on at least a portion of the make layer and the abrasive particles, and an optional supersize layer. At least one of the size layer or the optional supersize layer comprises an at least partially cured resole phenolic resin and an organic polymeric rheology modifier, and wherein the amount of the at least partially cured resole phenolic resin comprises from 75 to 99.99 weight percent of the combined weight of the at least partially cured resole phenolic resin and the organic polymeric rheology modifier. A method of making the coated abrasive article is also disclosed.Type: ApplicationFiled: February 1, 2021Publication date: February 23, 2023Inventors: Ernest L. Thurber, Gregory P. Sorenson, Ilya Gorodisher, Thomas J. Nelson, Junting Li, Daniel M. Lentz
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Publication number: 20220332042Abstract: A composition comprises a cyanoacrylate polymer and a protected amine. A method comprises: providing a shaped model comprising a cyanoacrylate polymer; preparing an investment having a cavity that corresponds to the shaped model; and heating the shaped model to sufficient temperature that the cyanoacrylate polymer depolymerizes and volatilizes. A hardenable material may be cast in the investment to provide a replica of the shaped model. A curable composition comprises: a cyanoacrylate monomer; a free-radical photoinitiator; and a protected amine, wherein the curable composition is free of compounds that initiate anionic polymerization of the cyanoacrylate monomer at ambient temperature. A method of curing the curable composition is also disclosed.Type: ApplicationFiled: September 24, 2020Publication date: October 20, 2022Inventors: Ilya Gorodisher, Gregory P. Sorenson
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Publication number: 20220203501Abstract: An abrasive article comprises abrasive particles adhered to a substrate by a binder material. The binder material comprises an at least partially cured resole phenolic resin and an organic polymeric rheology modifier. The amount of the at least partially cured resole phenolic resin comprises from 75 to 99.99 weight percent of the combined weight of the at least partially cured resole phenolic resin and the organic polymeric rheology modifier. Methods of making the abrasive article are also disclosed.Type: ApplicationFiled: March 25, 2020Publication date: June 30, 2022Inventors: Gregory P. Sorenson, Ilya Gorodisher, Ernest L. Thurber, Thomas J. Nelson
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Publication number: 20220056327Abstract: Various embodiments of the present disclosure provide a bonded abrasive article precursor (100). The bonded abrasive article precursor (100) includes an abrasive layer comprising a plurality of shaped abrasive particles (102) disposed on an adhesive (106) and forming a predetermined pattern.Type: ApplicationFiled: December 16, 2019Publication date: February 24, 2022Inventors: Gregory P. Sorenson, Melissa C. Schillo-Armstrong, Brett A. Beiermann
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Publication number: 20210170547Abstract: The disclosure relates to layers comprising a body having a thickness, T, comprising a curable composition comprising a polymerizable epoxy-acrylate resin composition and abrasive particles at least partially embedded in the polymerizable epoxy-acrylate resin composition, wherein the body includes a plurality of void spaces free of the curable composition extending into the body from the first major surface and the depth of the plurality of void spaces is at least 10 percent of thickness T. The disclosure also relates to cured compositions formed from such curable compositions and, in turn, abrasive articles made from such cured compositions as well as methods for making abrasive articles.Type: ApplicationFiled: December 6, 2018Publication date: June 10, 2021Inventors: Chainika Jangu, Michael J. Annen, Deborah J. Eilers, David M. Mahli, Caroline E. Morel, Kathleen S. Shafer, Gregory P. Sorenson
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Patent number: 10894905Abstract: A catalyst for use with a phenolic resins which imparts accelerated curing at reduced temperatures. The catalyst is selected from elemental halogen or opium polyhalide compounds of the general formula: O+X(2n+1)?, where 1?n?4, Q is onium group, preferably selected from ammonium, sulfonium and phosphonium; and X is a halide. Each X may be the same or different and may include mixed halides such a X?Br2Cl or Cl2Br.Type: GrantFiled: August 23, 2017Date of Patent: January 19, 2021Assignee: 3M Innovative Properties CompanyInventors: Ilya Gorodisher, Gregory P. Sorenson, Guy D. Joly
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Patent number: 10882955Abstract: A process of preparing polybenzoxazines using an alkylammonium salt of an acid having a pKa in acetonitrile of 9 or more as catalyst is described.Type: GrantFiled: May 13, 2016Date of Patent: January 5, 2021Assignee: 3M Innovative Properties CompanyInventors: Gregory P. Sorenson, Ilya Gorodisher
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Publication number: 20200332162Abstract: A phenolic resin composition is described comprising at least 50 wt.-% of phenolic resin; first polymerized units comprising a cationic group; and second polymerized units comprising an anionic group. The cationic groups are ionically bonded to the anionic groups. The ionic bonding of the cationic group and anionic group of the polymerized units can provide certain complex viscosity and/or tan delta properties. In some embodiments, the phenolic resin composition has a complex viscosity at 65C of at least 50 Pascal(seconds) and/or has a tan delta at 65C ranging from 0.5 to 2.5. Abrasive articles and methods of making an abrasive article are also described.Type: ApplicationFiled: December 17, 2018Publication date: October 22, 2020Inventors: Gregory P. Sorenson, Thomas J. Nelson, Ilya Gorodisher
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Patent number: 10731003Abstract: The disclosure provides a catalyst for use with a benzoxazine resins which imparts accelerated curing at reduced temperatures. The catalyst is selected from elemental halogen or onium polyhalide compounds.Type: GrantFiled: September 14, 2017Date of Patent: August 4, 2020Assignee: 3M Innovative Properties CompanyInventors: Gregory P. Sorenson, Ilya Gorodisher, Robert J. Webb
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Publication number: 20200071514Abstract: The disclosure relates to a curable composition comprising: a polymerizable epoxy-acrylate resin composition having a complex viscosity at 25° C. and 1 Hz frequency of at least about 4500 Pa-s and a probe tack peak force of at least about 300 kPa; and abrasive particles partially or fully embedded in the polymerizable epoxy-acrylate resin composition. The disclosure also relates to cured compositions formed from such curable compositions, wherein the abrasive particles are partially or fully embedded in the cured composition. In addition, the disclosure relates to abrasive articles made from such cured compositions as well as methods for making abrasive articles.Type: ApplicationFiled: December 4, 2017Publication date: March 5, 2020Inventors: Kathleen S. Shafer, Rebecca A. Putans, Ernest L. Thurber, Cyrus A. Anderson, Corinne E. Lipscomb, Thomas J. Nelson, Gregory P. Sorenson, Chainika Jangu
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Patent number: 10556991Abstract: A resin blend is provided including a blend of a benzoxazine resin and a phthalonitrile resin. The benzoxazine/phthalonitrile resin blends prior to cure have more favorable processing and curing properties compared to the phthalonitrile resins alone, enabling greater ease in manufacturing.Type: GrantFiled: December 5, 2016Date of Patent: February 11, 2020Assignee: 3M Innovative Properties CompanyInventors: Benjamin J. Anderson, Gregory P. Sorenson, Ilya Gorodisher
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Publication number: 20190177587Abstract: The disclosure provides a catalyst for use with a phenolic resins which imparts accelerated curing at reduced temperatures. The catalyst is selected from elemental halogen or onium polyhalide compounds.Type: ApplicationFiled: August 23, 2017Publication date: June 13, 2019Inventors: Ilya Gorodisher, Gregory P. Sorenson, Guy D. Joly