Patents by Inventor Daniel J. O'Neal
Daniel J. O'Neal 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: 20240131450Abstract: A charged depth filter for removing cells and/or cellular debris from a biopharma feedstock having a first functionalized nonwoven layer having a first calculated pore size and a first dynamic charge capacity; a second functionalized nonwoven layer having a second calculated pore size and a second dynamic charge capacity positioned after the first functionalized nonwoven layer in the direction of the biopharma feedstock flow, and wherein the first calculated pore size is greater than the second calculated pore size, and the first dynamic charge capacity is less than the second dynamic charge capacity.Type: ApplicationFiled: February 24, 2022Publication date: April 25, 2024Inventors: Kuan-Yin LIN, Andrew W. VAIL, Daniel J. O'NEAL, Masayuki NAKAMURA, Jonathan F. HESTER, Kannan DASHARATHI, Alexei M. VOLOSHIN
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Publication number: 20240059731Abstract: Described herein is a method of purifying a target molecule from an aqueous biological composition, the method comprising: (a) contacting a cationic polymer and the aqueous biological composition to form a mixture comprising a bio-polymer complex and the target molecule in a liquid, wherein the bio-polymer complex has an average particle diameter of at least 45 micrometers, (b) adding the mixture to a filtering volume of a vessel, wherein the vessel comprises loosely packed staple fibers; (c) allowing the mixture to separate through the loosely packed staple fiber; and (d) collecting a filtrate comprising the target molecule.Type: ApplicationFiled: November 24, 2020Publication date: February 22, 2024Inventors: Kristopher E. Richardson, Daniel J. O'Neal, Jerald K. Rasmussen, Andrew W. Vail
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Publication number: 20240010674Abstract: Described herein is a method of purifying a target molecule from an aqueous biological composition, the method comprising: (a) contacting a cationic polymer and the aqueous biological composition to form a mixture, the mixture comprising a bio-polymer complex and the target non-binding molecule in a liquid, wherein the bio-polymer complex has an average particle diameter of at least 50 micrometers; (b) providing a filtering unit comprising (i) a housing having an inlet and an outlet, (ii) a porous, continuous filter medium which is fluidly connected to the inlet and the outlet, and (iii) a collection region upstream from the porous, continuous filter medium; (c) adding the mixture to the inlet; and (d) allowing the mixture to separate in the filtering unit, whereby the bio-polymer complex collects in the collection region and the target non-binding molecule passes through the filter medium, and wherein the majority of flow of the liquid through the porous, continuous filter medium is not substantially paralleType: ApplicationFiled: November 8, 2021Publication date: January 11, 2024Inventors: Kristopher E. Richardson, Daniel J. O'Neal, Jerald K. Rasmussen, Andrew W. Vail, Alexei M. Voloshin
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Publication number: 20220387653Abstract: The present disclosure provides an ethylene oxide sterilization sensor and method of use. The sensor includes: at least one thermal indicator component independently selected from an electronic thermal sensor, an irreversible temperature indicator, and a heat-shrinkable film; an acid-functional porous sorbent or an acid-functional nonwoven fibrous substrate in thermal contact with the at least one thermal indicator component; and an acid having a boiling point above 120° C. and a pKa of no greater than 2.5. The acid is impregnated in or covalently attached to the porous sorbent or is covalently attached to the nonwoven fibrous substrate. The sensor includes at least one of the electronic thermal sensor, the irreversible temperature indicator, or the acid-functional nonwoven fibrous substrate.Type: ApplicationFiled: March 30, 2022Publication date: December 8, 2022Inventors: Michael W. Kobe, Michael S. Wendland, Richard C. Webb, Michael E. Hamerly, Daniel J. O'Neal, Kelvin J. Witcher, Dawud H. Tan, Daniel J. Zillig
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Patent number: 11390722Abstract: First articles with covalently attached thiocarbonylthio-containing groups are provided. More specifically, the first articles are a functionalized substrate that contains a solid polymeric substrate with a plurality of thiocarbonylthio-containing groups covalently attached directly to carbon atoms in a polymeric backbone of the solid polymeric substrate. Methods of making the first articles with covalently attached thiocarbonylthio-containing groups are provided. Additionally, second articles and methods of using the first articles to generate second articles with covalently attached polymeric chains are provided.Type: GrantFiled: December 14, 2018Date of Patent: July 19, 2022Assignee: 3M Innovative Properties CompanyInventors: Jerald K. Rasmussen, Stephen B. Roscoe, Babu N. Gaddam, George W. Griesgraber, Daniel J. O'Neal, Eli Narveson
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Patent number: 11241711Abstract: A method of making a buff-coated article includes disposing a tie layer on at least a portion of a major surface of a substrate and buff-coating a powder onto at least a portion of the tie layer. Buff-coated articles are also disclosed.Type: GrantFiled: February 15, 2018Date of Patent: February 8, 2022Assignee: 3M Innovative Properties CompanyInventors: Benjamin R. Coonce, Morgan A. Priolo, Megan A. Creighton, Emily S. Goenner, Daniel J. O'Neal
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Publication number: 20210198543Abstract: Thin films are provided comprising a damping adhesive comprising a polysiloxane or mixture of polysiloxanes and exhibiting a tan delta of at least 0.42 for every temperature between 20° C. and 250° C. and a tan delta at 250° C. that is no more than 0.20 greater than the minimum tan delta measured in the range of 20° C. to 250° C.; in some cases exhibiting a tan delta of at least 0.42 for every temperature between 20° C. and 200° C. and a tan delta at 200° C. that is no more than 0.08 greater than the minimum tan delta measured in the range of 20° C. to 200° C.; in some cases obtained by crosslinking polysiloxane(s) by e-beam or peroxide. Microspeaker diaphragm materials, subassemblies and transfer tapes comprising such films are also provided.Type: ApplicationFiled: June 6, 2018Publication date: July 1, 2021Inventors: Chao Yang, Christopher B. Walker, JR., Daniel J. O'Neal
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Publication number: 20210102100Abstract: Adhesive compositions that include polymerized units of one or more (meth)acrylate ester monomers derived from an alcohol containing 1 to 14 carbon atoms; polyvinyl acetal resin; and at least one initiator; and articles containing such compositions.Type: ApplicationFiled: June 19, 2018Publication date: April 8, 2021Inventors: Ying Xia, Tien Yi T. H. Whiting, Carla S. THOMAS, Anthony F. Schultz, Shri Niwas, Duane D. Fansler, Daniel J. O'Neal, Corinne E. LIPSCOMB, Mary M. Caruso Dailey, Alexander J. Kugel
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Publication number: 20210095088Abstract: First articles with covalently attached thiocarbonylthio-containing groups are provided. More specifically, the first articles are a functionalized substrate that contains a solid polymeric substrate with a plurality of thiocarbonylthio-containing groups covalently attached directly to carbon atoms in a polymeric backbone of the solid polymeric substrate. Methods of making the first articles with covalently attached thiocarbonylthio-containing groups are provided. Additionally, second articles and methods of using the first articles to generate second articles with covalently attached polymeric chains are provided.Type: ApplicationFiled: December 14, 2018Publication date: April 1, 2021Inventors: Jerald K. Rasmussen, Stephen B. Roscoe, Babu N. Gaddam, George W. Griesgraber, Daniel J. O'Neal, Eli Narveson
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Publication number: 20200368694Abstract: Articles with covalently attached thiocarbonylthio-containing groups are provided. More specifically, the articles include a solid polymeric substrate with a plurality of thiocarbonylthio-containing groups covalently attached directly to a carbon atom in a polymeric backbone of the solid polymeric substrate. Methods of making the articles with covalently attached thiocarbonylthio-containing are provided. Additionally, methods of using these articles to generate further articles with covalently attached polymeric chains are provided.Type: ApplicationFiled: December 14, 2018Publication date: November 26, 2020Inventors: Jerald K. Rasmussen, Stephen B. Roscoe, Babu N. Gaddam, George W. Griesgraber, Daniel J. O'Neal, Eli P. Narveson
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Publication number: 20200070200Abstract: A method of making a buff-coated article includes disposing a tie layer on at least a portion of a major surface of a substrate and buff-coating a powder onto at least a portion of the tie layer. Buff-coated articles are also disclosed.Type: ApplicationFiled: February 15, 2018Publication date: March 5, 2020Inventors: Benjamin R. Coonce, Morgan A. Priolo, Megan A. Creighton, Emily S. Goenner, Daniel J. O'Neal
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Publication number: 20180028037Abstract: A scrubbing article (10) including a substrate (12) and an e-beam treated texture layer (14) on a surface of the substrate (12). The substrate (12) comprises a material suitable for use as a scrubbing article. The e-beam treated texture layer (14) is a resin-based material forming a textured abrasive layer (14) on the surface of the substrate (12).Type: ApplicationFiled: February 4, 2016Publication date: February 1, 2018Inventors: Paul N. Daveloose, Matthew S. Cole, Ibrahim S. Gunes, Irem Bolukbasi, Daniel J. O'Neal
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Patent number: 9708514Abstract: Methods of (co)polymerizing ethylenically-unsaturated materials, including the steps of providing a non-deaerated mixture of free radically (co)polymerizable ethylenically-unsaturated material in a batch reactor, exposing the non-deaerated mixture to a source of ionizing radiation for a time sufficient to initiate (co)polymerization of at least a portion of the free radically (co)polymerizable ethylenically-unsaturated material, and allowing the free radically (co)polymerizable ethylenically-unsaturated material to (co)polymerize under essentially adiabatic conditions while continuing to expose the mixture to the source of ionizing radiation for a time sufficient to yield an at least partially (co)polymerized (co)polymer. The ethylenically-unsaturated materials are selected from vinyl-functional monomers, vinyl-functional oligomers, vinyl-functional macromers, and combinations thereof. The mixture is preferably free of thermally-induced or UV-induced free radical polymerization initiators.Type: GrantFiled: December 6, 2013Date of Patent: July 18, 2017Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Sasha B. Myers, Daniel J. O'Neal, Karl B. Richter, Thu-Van T. Tran, Craig E. Hamer
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Patent number: 9580631Abstract: Methods of forming an adhesive composition including the steps of (a) combining a non-deaerated mixture comprising at least one free radically (co)polymerizable ethylenically-unsaturated material with a sealable packaging, wherein the packaging contains the non-deaerated mixture; (b) sealing the non-deaerated mixture in the packaging to form a sealed packaging; and (c) exposing the non-deaerated mixture in the sealed packaging to a source of ionizing radiation for a time sufficient to initiate (co)polymerization of at least a portion of the at least one free radically (co)polymerizable ethylenically-unsaturated material to form an adhesive composition in the sealed packaging. The (co)polymerization takes place essentially non-adiabatically.Type: GrantFiled: December 6, 2013Date of Patent: February 28, 2017Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Daniel J. O'Neal, Sasha B. Myers, Karl Richter, Thu-Van T. Tran, Craig E. Hamer
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Publication number: 20150322304Abstract: Methods of forming an adhesive composition including the steps of (a) combining a non-deaerated mixture comprising at least one free radically (co)polymerizable ethylenically-unsaturated material with a sealable packaging, wherein the packaging contains the non-deaerated mixture; (b) sealing the non-deaerated mixture in the packaging to form a sealed packaging; and (c) exposing the non-deaerated mixture in the sealed packaging to a source of ionizing radiation for a time sufficient to initiate (co)polymerization of at least a portion of the at least one free radically (co)polymerizable ethylenically-unsaturated material to form an adhesive composition in the sealed packaging. The (co)polymerization takes place essentially non-adiabatically.Type: ApplicationFiled: December 6, 2013Publication date: November 12, 2015Inventors: Daniel J. O'Neal, Sasha B. Myers, Karl Richter, Thu-Van T. Tran, Craig E. Hamer
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Publication number: 20150299532Abstract: Methods of (co)polymerizing ethylenically-unsaturated materials, including the steps of providing a non-deaerated mixture of free radically (co)polymerizable ethylenically-unsaturated material in a batch reactor, exposing the non-deaerated mixture to a source of ionizing radiation for a time sufficient to initiate (co)polymerization of at least a portion of the free radically (co)polymerizable ethylenically-unsaturated material, and allowing the free radically (co)polymerizable ethylenically-unsaturated material to (co)polymerize under essentially adiabatic conditions while continuing to expose the mixture to the source of ionizing radiation for a time sufficient to yield an at least partially (co)polymerized (co)polymer. The ethylenically-unsaturated materials are selected from vinyl-functional monomers, vinyl-functional oligomers, vinyl-functional macromers, and combinations thereof. The mixture is preferably free of thermally-induced or UV-induced free radical polymerization initiators.Type: ApplicationFiled: December 6, 2013Publication date: October 22, 2015Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Sasha B. Myers, Daniel J. O'Neal, Karl B. Richter, Thu-Van T. Tran, Craig E. Hamer
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Publication number: 20150298366Abstract: Methods of (co)polymerizing ethylenically-unsaturated materials, including the steps of providing a mixture of free radically (co)polymerizable ethylenically-unsaturated material in a mold, exposing the mixture in the mold to a source of ionizing radiation for a time sufficient to initiate (co)polymerization of at least a portion of the free radically (co)polymerizable ethylenically-unsaturated material, and allowing the free radically (co)polymerizable ethylenically-unsaturated material to (co)polymerize in the mold while continuing to expose the mixture to the source of ionizing radiation for a time sufficient to yield an at least partially (co)polymerized (co)polymer. The ethylenically-unsaturated materials are selected from vinyl-functional monomers, vinyl-functional oligomers, vinyl-functional macromers, and combinations thereof. The mixture is preferably free of thermally-induced or UV-induced free radical polymerization initiators.Type: ApplicationFiled: December 6, 2013Publication date: October 22, 2015Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Karl B. Richter, Sasha B. Myers, Daniel J. O'Neal, Thu-Van T. Tran, Craig E. Hamer
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Patent number: 6286252Abstract: A delivery system for delivering a horticultural agent to a plant including a carrier adapted to be placed in proximity to a root system of a plant, the carrier being of a material which is biodegradable and dissolvable upon prolonged exposure to water, and the horticultural agent being adhered to or admixed with the carrier and being dissolvable upon prolonged exposure to water.Type: GrantFiled: January 27, 2000Date of Patent: September 11, 2001Inventor: Daniel J. O'Neal