Patents by Inventor Ronald R. Campbell
Ronald R. Campbell 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: 11667073Abstract: A method is described for forming composite articles comprising thermoset silicon-containing polymers, that includes (a) providing a first composition comprising a first thermoset silicon-containing polymer; (b) providing a thermoplastic composition; (c) printing a first at least partial layer of the first composition comprising the first thermoset silicon-containing polymer using an additive manufacturing device; and (d) printing an at least partial reinforcing layer comprising the thermoplastic composition using an additive manufacturing device.Type: GrantFiled: March 31, 2021Date of Patent: June 6, 2023Assignee: Greene, Tweed Technologies, Inc.Inventors: Mookkan Periyasamy, Ronald R. Campbell, Elizabeth Sassano, Wojciech Jan Hajduczek, Michael A. Hickner, Lachlan Peeke
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Patent number: 11390726Abstract: The invention includes a method of bonding a perfluoroelastomer material to first surface that includes: (a) contacting a first surface with a bonding agent comprising a curable perfluoropolymer and a curing agent; (b) curing the bonding agent to form a perfluoroelastomer material that is bonded to the first surface. In the practice of such method, the bonding agent may be a solution prepared by dissolving the curable perfluoroelastomer and the curing agent in a solvent. In an embodiment of the invention, the perfluoroelastomer material formed in step (b) is a coating layer or, alternatively, the first surface is a surface of a perfluoroelastomer member and the perfluoroelastomer material formed is a perfluoroelastomer weld.Type: GrantFiled: March 9, 2021Date of Patent: July 19, 2022Assignee: Greene, Tweed Technologies, Inc.Inventors: Ronald R. Campbell, Christopher Corrado, Brian Alan Ux, Robert Anthony Rey, Gary Reichl, Carmin Quartapella
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Publication number: 20210395405Abstract: An apparatus suitable for extruding curable polymers for forming elastomer articles using additive manufacturing, and curable fluorine-containing polymer compositions suitable for use in such an apparatus are disclosed along with an additive manufacturing method for forming a fluorine-containing elastomer article including providing a filament formed of a curable fluoropolymer composition; providing an additive manufacturing printer having a drive mechanism and a printer nozzle; feeding the filament into an additive manufacturing printer through the drive mechanism and through a longitudinal passage defined by an interior wall of a support tube, wherein the support tube extends from a first end to a second end, and wherein the second end of the support tube is positioned near an inlet to a printer nozzle; applying heat to the filament; and printing successive layers of the heated filament exiting an outlet of the nozzle onto a substrate using the additive manufacturing printer to form the fluorine-containingType: ApplicationFiled: March 31, 2021Publication date: December 23, 2021Inventors: Mookkan Periyasamy, Ronald R. Campbell, Elizabeth Sassano, Joey Mead, David Kazmer, ShibShankar Banerjee, Stephen Burbine, Erin E. Keaney, Leeda Phaen
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Publication number: 20210299949Abstract: A method is described for forming composite articles comprising thermoset silicon-containing polymers, that includes (a) providing a first composition comprising a first thermoset silicon-containing polymer; (b) providing a thermoplastic composition; (c) printing a first at least partial layer of the first composition comprising the first thermoset silicon-containing polymer using an additive manufacturing device; and (d) printing an at least partial reinforcing layer comprising the thermoplastic composition using an additive manufacturing device.Type: ApplicationFiled: March 31, 2021Publication date: September 30, 2021Inventors: Mookkan Periyasamy, Ronald R. Campbell, Elizabeth Sassano, Wojciech Jan Hajduczek, Michael A. Hickner, Lachlan Peeke
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Publication number: 20210198447Abstract: The invention includes a method of bonding a perfluoroelastomer material to first surface that includes: (a) contacting a first surface with a bonding agent comprising a curable perfluoropolymer and a curing agent; (b) curing the bonding agent to form a perfluoroelastomer material that is bonded to the first surface. In the practice of such method, the bonding agent may be a solution prepared by dissolving the curable perfluoroelastomer and the curing agent in a solvent. In an embodiment of the invention, the perfluoroelastomer material formed in step (b) is a coating layer or, alternatively, the first surface is a surface of a perfluoroelastomer member and the perfluoroelastomer material formed is a perfluoroelastomer weld.Type: ApplicationFiled: March 9, 2021Publication date: July 1, 2021Inventors: Ronald R. Campbell, Christopher Corrado, Brian Alan Ux, Robert Anthony Rey, Gary Reichl, Carmin Quartapella
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Patent number: 10961369Abstract: The invention includes a method of bonding a perfluoroelastomer material to first surface that includes: (a) contacting a first surface with a bonding agent comprising a curable perfluoropolymer and a curing agent; (b) curing the bonding agent to form a perfluoroelastomer material that is bonded to the first surface. In the practice of such method, the bonding agent may be a solution prepared by dissolving the curable perfluoroelastomer and the curing agent in a solvent. In an embodiment of the invention, the perfluoroelastomer material formed in step (b) is a coating layer or, alternatively, the first surface is a surface of a perfluoroelastomer member and the perfluoroelastomer material formed is a perfluoroelastomer weld.Type: GrantFiled: February 20, 2014Date of Patent: March 30, 2021Assignee: Green, Tweed TechnologiesInventors: Ronald R. Campbell, Christopher Corrado, Brian Alan Ux, Robert Anthony Rey, Gary Reichl, Carmin Quartapella
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Publication number: 20180230265Abstract: A method and compositions are described which improve extrusion- and creep-resistance of components for use in a high temperature applications including sealing elements and seal connectors among others. The method includes providing a composition having an aromatic polymer and a crosslinking compound, and subjecting the composition to a heat molding process to form the component and crosslink the aromatic polymer.Type: ApplicationFiled: April 11, 2018Publication date: August 16, 2018Inventors: Kerry A. Drake, Charles P. Burke, Ronald R. Campbell, William F. Burgoyne, Burak Bekisli
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Patent number: 10023722Abstract: The invention provides a curable fluoroelastomeric composition comprising: (i) a fluoropolymer comprising at least one cure site monomer that comprises at least one cyano group; (ii) a cure system comprising a functionalized biphenyl-based compound and at least one of: a dioxime compound represented by the formula (I): HON?R1?NOH wherein R1 is chosen from an alkyl group having 1 to 10 carbon atoms and an aryl group having 1 to 10 carbon atoms; a monoamidine-based compound represented by formula (IV): wherein Y is chosen from a substituted or unsubstituted alkyl, aryl, or aralkyl group or an unsubstituted or substituted fully or partially halogenated alkyl, aryl, or aralkyl group having to 22 carbon atoms; R4 is chosen from a hydrogen atom or a substituted or unsubstituted lower alkyl group of 1 to 6 carbon atoms, or an amino group; R5 is independently chosen from hydrogen atom, a substituted or unsubstituted lower alkyl group of 1 to 6 carbon atoms, an amino group or an hydroxyl group; and/or a pType: GrantFiled: April 8, 2009Date of Patent: July 17, 2018Assignees: Greene, Tweed Technologies, Inc., Daikin Industries, Ltd.Inventors: Ronald R. Campbell, Eugene Gurevich
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Patent number: 10011690Abstract: The disclosure herein includes rapid gas decompression (RGD)-resistant fluoroelastomeric compositions and includes a curable fluoropolymer having a curesite monomer with at least one functional group capable of curing with a peroxide curative. The compositions include a bisphenyl-based curative and an organic peroxide curative and an organic peroxide co-curative. The fluoroelastomeric compositions have a ratio of the bisphenyl-based curative to the organic peroxide co-curative of about 0.25:1 to about 1.5:1 and a ratio of the bisphenyl-based curative to the organic peroxide of about 0.5:1 to about 1.5:1. Such compositions can be formed into seals meeting RGD industry standards in a variety of sizes, up to and/or exceeding 5 mm in thickness or cross-sectional diameter.Type: GrantFiled: September 1, 2016Date of Patent: July 3, 2018Assignee: Greene, Tweed Technologies, Inc.Inventor: Ronald R Campbell
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Publication number: 20170183445Abstract: A method and compositions are described which improve extrusion- and creep-resistance of components for use in a high temperature applications including sealing elements and seal connectors among others. The method includes providing a composition having an aromatic polymer and a crosslinking compound, and subjecting the composition to a heat molding process to form the component and crosslink the aromatic polymer.Type: ApplicationFiled: October 6, 2016Publication date: June 29, 2017Inventors: Kerry A. Drake, Charles P. Burke, Ronald R. Campbell, William F. Burgoyne, Burak BekisIi
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Publication number: 20160376409Abstract: The disclosure herein includes rapid gas decompression (RGD)-resistant fluoroelastomeric compositions and includes a curable fluoropolymer having a curesite monomer with at least one functional group capable of curing with a peroxide curative. The compositions include a bisphenyl-based curative and an organic peroxide curative and an organic peroxide co-curative. The fluoroelastomeric compositions have a ratio of the bisphenyl-based curative to the organic peroxide co-curative of about 0.25:1 to about 1.5:1 and a ratio of the bisphenyl-based curative to the organic peroxide of about 0.5:1 to about 1.5:1. Such compositions can be formed into seals meeting RGD industry standards in a variety of sizes, up to and/or exceeding 5 mm in thickness or cross-sectional diameter.Type: ApplicationFiled: September 1, 2016Publication date: December 29, 2016Inventor: Ronald R. Campbell
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Patent number: 9475938Abstract: A method and compositions are described which improve extrusion-and creep-resistance of components for use in a high temperature applications including sealing elements and seal connectors among others. The method includes providing a composition having an aromatic polymer and a crosslinking compound, and subjecting the composition to a heat molding process to form the component and crosslink the aromatic polymer.Type: GrantFiled: August 13, 2015Date of Patent: October 25, 2016Assignee: Delsper, LPInventors: Kerry A. Drake, Charles P. Burke, Ronald R. Campbell, William F. Burgoyne, Burak Bekisli
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Patent number: 9453123Abstract: The disclosure herein includes rapid gas decompression (RGD)-resistant fluoroelastomeric compositions and includes a curable fluoropolymer having a curesite monomer with at least one functional group capable of curing with a peroxide curative. The compositions include a bisphenyl-based curative and an organic peroxide curative and an organic peroxide co-curative. The fluoroelastomeric compositions have a ratio of the bisphenyl-based curative to the organic peroxide co-curative of about 0.25:1 to about 1.5:1 and a ratio of the bisphenyl-based curative to the organic peroxide of about 0.5:1 to about 1.5:1. Such compositions can be formed into seals meeting RGD industry standards in a variety of sizes, up to and/or exceeding 5 mm in thickness or cross-sectional diameter.Type: GrantFiled: February 4, 2013Date of Patent: September 27, 2016Assignee: Greene, Tweed Technologies, Inc.Inventor: Ronald R Campbell
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Publication number: 20150344688Abstract: A method and compositions are described which improve extrusion- and creep-resistance of components for use in a high temperature applications including sealing elements and seal connectors among others. The method includes providing a composition having an aromatic polymer and a crosslinking compound, and subjecting the composition to a heat molding process to form the component and crosslink the aromatic polymer.Type: ApplicationFiled: August 13, 2015Publication date: December 3, 2015Inventors: Kerry A. Drake, Charles P. Burke, Ronald R. Campbell, William F. Burgoyne, Burak Bekisli
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Patent number: 9127138Abstract: A method and compositions are described which improve extrusion- and creep-resistance of components for use in a high temperature applications including sealing elements and seal connectors among others. The method includes providing a composition having an aromatic polymer and a crosslinking compound, and subjecting the composition to a heat molding process to form the component and crosslink the aromatic polymer.Type: GrantFiled: January 27, 2014Date of Patent: September 8, 2015Assignee: Delsper LPInventors: Kerry A. Drake, Charles P. Burke, Ronald R. Campbell, William F. Burgoyne, Burak Bekisli
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Publication number: 20140305588Abstract: The invention includes a method of bonding a perfluoroelastomer material to first surface that includes: (a) contacting a first surface with a bonding agent comprising a curable perfluoropolymer and a curing agent; (b) curing the bonding agent to form a perfluoroelastomer material that is bonded to the first surface. In the practice of such method, the bonding agent may be a solution prepared by dissolving the curable perfluoroelastomer and the curing agent in a solvent. In an embodiment of the invention, the perfluoroelastomer material formed in step (b) is a coating layer or, alternatively, the first surface is a surface of a perfluoroelastomer member and the perfluoroelastomer material formed is a perfluoroelastomer weld.Type: ApplicationFiled: February 20, 2014Publication date: October 16, 2014Applicant: Greene, Tweed of Delaware, Inc.Inventors: Ronald R. Campbell, Christopher Corrado, Brian Alan Ux, Robert Anthony Rey, Gary Reichl, Carmin Quartapella
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Publication number: 20140213742Abstract: A method and compositions are described which improve extrusion- and creep-resistance of components for use in a high temperature applications including sealing elements and seal connectors among others. The method includes providing a composition having an aromatic polymer and a crosslinking compound, and subjecting the composition to a heat molding process to form the component and crosslink the aromatic polymer.Type: ApplicationFiled: January 27, 2014Publication date: July 31, 2014Applicant: Delsper LPInventors: Kerry A. Drake, Charles P. Burke, Ronald R. Campbell, William F. Burgoyne, Burak Bekisli
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Publication number: 20140044974Abstract: Included within the scope of the invention is an article of cured fluoroelastomer composition bonded to an inert substrate. The cured fluoroelastomer composition includes a fluoropolymer, a silica, and an acrylate compound. The fluoroelastomer composition is bonded to the inert substrate with a bind having a bond durability of at least about 1500 pounds load at 20° C. The inert substrate may be a metal substrate or a ketone-based polymer substrate. Also included are methods of bonding a fluoroelastomer composition to an inert substrate that may be, for example, a metal substrate or a ketone-based polymer substrate. The methods include contacting a curable fluoroelastomer composition to an inert substrate and curing the fluoroelastomer composition to form a bond between the composition and the inert substrate. The curable fluoroelastomer composition of the methods includes an acrylate compound, a curing agent, silica, and a fluoropolymer that comprises at least one cure site monomer.Type: ApplicationFiled: October 18, 2013Publication date: February 13, 2014Applicant: Greene, Tweed of Delaware, Inc.Inventor: Ronald R. Campbell
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Publication number: 20100093898Abstract: The invention provides a curable fluoroelastomeric composition comprising: (i) a fluoropolymer comprising at least one cure site monomer that comprises at least one cyano group; (ii) a cure system comprising a functionalized biphenyl-based compound and at least one of: a dioxime compound represented by the formula (I): HON?R1?NOH wherein R1 is chosen from an alkyl group having 1 to 10 carbon atoms and an aryl group having 1 to 10 carbon atoms; a monoamidine-based compound represented by formula (IV): wherein Y is chosen from a substituted or unsubstituted alkyl, aryl, or aralkyl group or an unsubstituted or substituted fully or partially halogenated alkyl, aryl, or aralkyl group having to 22 carbon atoms; R4 is chosen from a hydrogen atom or a substituted or unsubstituted lower alkyl group of 1 to 6 carbon atoms, or an amino group; R5 is independently chosen from hydrogen atom, a substituted or unsubstituted lower alkyl group of 1 to 6 carbon atoms, an amino group or an hydroxyl group; and/or a pType: ApplicationFiled: April 8, 2009Publication date: April 15, 2010Applicants: Greene, Tweed of Delaware, Inc., Daikin Industries, Ltd.Inventors: Ronald R. Campbell, Eugene Gurevich
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Publication number: 20090301712Abstract: Included within the scope of the invention is an article of cured fluoroelastomer composition bonded to an inert substrate. The cured fluoroelastomer composition includes a fluoropolymer, a silica, and an acrylate compound. The fluoroelastomer composition is bonded to the inert substrate with a bind having a bond durability of at least about 1500 pounds load at 20° C. The inert substrate may be a metal substrate or a ketone-based polymer substrate. Also included are methods of bonding a fluoroelastomer composition to an inert substrate that may be, for example, a metal substrate or a ketone-based polymer substrate. The methods include contacting a curable fluoroelastomer composition to an inert substrate and curing the fluoroelastomer composition to form a bond between the composition and the inert substrate. The curable fluoroelastomer composition of the methods includes an acrylate compound, a curing agent, silica, and a fluoropolymer that comprises at least one cure site monomer.Type: ApplicationFiled: March 27, 2009Publication date: December 10, 2009Applicant: Greene, Tweed of Delaware, Inc.Inventor: Ronald R. Campbell