Patents by Inventor Robert Thomas Young
Robert Thomas Young 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: 20170025204Abstract: A USB cable for transmitting data at superspeed at a frequency of at least 10 GHz is provided, comprising a jacket, and positioned within said jacket at least a power cable and a plurality of shielded insulated conductors for transmitting said data at speeds up to 10 Gbps per channel, the insulation of said insulated conductors exhibiting a dissipation factor of no greater than 0.00035 at 10 GHz, and comprising melt-fabricable perfluoropolymer, such as tetrafluoroethylene/hexafluoropropylene copolymer or tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer.Type: ApplicationFiled: July 7, 2016Publication date: January 26, 2017Inventors: GREGORY ALLEN CHAPMAN, SUNDAR KILNAGAR VENKATARAMAN, XIANJIANG XIAO, ROBERT THOMAS YOUNG, LEIMING ZHANG
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Publication number: 20150175757Abstract: The present invention provides oriented film comprising the composition 55 to 95 wt % tetrafluoroethylene/hexafluoropropylene/-perfluoro(alkyl vinyl ether) copolymer and 45 to 5 wt % tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer to total 100 wt % based on the combined weight of said copolymers, wherein the alkyl in each copolymer comprises 1 to 4 carbon atoms and wherein the presence of the tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer in the composition and the presence of perfluoro(alkyl vinyl ether) in both copolymers improves the thermoformability of the film as compared to oriented film of the same film thickness comprising the tetrafluoroethylene/hexafluoropropylene/perfluoro-(alkyl vinyl ether) copolymer by itself.Type: ApplicationFiled: December 16, 2014Publication date: June 25, 2015Inventors: RALPH MUNSON ATEN, HEIDI ELIZABETH BURCH, SUNDAR KILNAGAR VENKATARAMAN, ROBERT THOMAS YOUNG
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Publication number: 20150047874Abstract: A communications cable is provided comprising a conductor and polymer insulation encasing said conductor, the polymer insulation having a foamed interior and having an exterior surface formed from longitudinally running rounded peaks and valleys. A process is also provided for producing this polymer insulation or unfoamed polymer insulation having the same or similar peak/valley exterior surface by extruding molten thermoplastic polymer through an orifice to coat a conductor passing through the orifice, thereby forming polymer insulation on the conductor, said orifice defining the exterior surface of said polymer insulation comprising longitudinally running rounded peaks and valleys, said peaks covering at least about 30% of said exterior surface and having a height that is at least 50% of the width of said peaks.Type: ApplicationFiled: September 29, 2014Publication date: February 19, 2015Inventors: GARY THUOT, ROBERT THOMAS YOUNG, JOHN L. NETTA
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Publication number: 20140255703Abstract: A laminate is provided comprising a metal substrate and a fluoropolymer layer adhered directly to said metal substrate, said fluoropolymer layer having a recrystallized region at the interface with said metal substrate, the preferred laminate being an electrical cable wherein the metal substrate is an electrical conductor and the fluoropolymer layer is the electrical insulation of the conductor and wherein the opposite surface of the electrical insulation is not recrystallized.Type: ApplicationFiled: February 28, 2014Publication date: September 11, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: RALPH MUNSON ATEN, HEIDI ELIZABETH BURCH, JOHNNIE F. TURNER, ROBERT THOMAS YOUNG, KATIE LYNN CAMPBELL
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Patent number: 8404756Abstract: A foamable fluoropolymer composition containing foam cell nucleating agent is provided, wherein the fluoropolymer comprises melt-fabricable tetrafluoroethylene-/hexafluoropropylene copolymer and tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer, wherein the alkyl contains 1 to 4 carbon atoms, wherein the melting temperature of said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer is no more than 35° C. greater than the melting temperature of said tetrafluoroethylene/hexafluoropropylene copolymer, and/or wherein said tetrafluoroethylene/hexafluoropropylene copolymer and said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer each have a melt flow rate (MFR) within the range of 1 to 40 g/10 min and the MFR of one of said copolymers is at least twice that of the other of said copolymers.Type: GrantFiled: April 13, 2012Date of Patent: March 26, 2013Assignee: E. I. du Pont de Nemours and CompanyInventors: Heidi Elizabeth Burch, Sundar Kilnagar Venkataraman, Robert Thomas Young
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Patent number: 8354461Abstract: The present invention discloses a foamable composition. The foamable composition includes a partially-crystalline melt processible perfluoropolymer and a foam nucleating package. The foamable composition has a uniform foam cell size where the foam cell size of at least 90% of the foamed cells is 50 micrometers or less. The foam nucleating package ranges from 0.1 to 10 wt % of the combined weight of the perfluoropolymer and the foam nucleating package.Type: GrantFiled: March 24, 2009Date of Patent: January 15, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Sundar Kilnagar Venkataraman, Robert Thomas Young
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Patent number: 8245397Abstract: A process of twinning a pair of polymer-insulated conductors to form a twisted pair, where the polymer-insulated conductors are formed by extruding a uniformly thick coating of polymer onto the conductors. More than one twisted pair is encased in a polymer jacket forming a cable. The twisted pair obtains a desirable average impedance performance using a reduced amount by weight of polymer forming said polymer-insulated conductors by: (i) extruding to form longitudinally running peaks and valleys in the exterior surface of each of the polymer-insulated conductors of the pair of polymer-insulated conductors and (ii) twinning resultant polymer-insulated conductors to nest at least one of the peaks in the exterior surface of one of the polymer-insulated conductors in at least one of said valleys in the exterior surface of the other of the polymer-insulated conductors of the pair of polymer-insulated conductors.Type: GrantFiled: August 6, 2010Date of Patent: August 21, 2012Assignee: E. I. du Pont de Nemours and CompanyInventors: Gary Thuot, Robert Thomas Young, John L. Netta
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Publication number: 20120199377Abstract: A foamable fluoropolymer composition containing foam cell nucleating agent is provided, wherein the fluoropolymer comprises melt-fabricable tetrafluoroethylene-/hexafluoropropylene copolymer and tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer, wherein the alkyl contains 1 to 4 carbon atoms, wherein the melting temperature of said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer is no more than 35° C. greater than the melting temperature of said tetrafluoroethylene/hexafluoropropylene copolymer, and/or wherein said tetrafluoroethylene/hexafluoropropylene copolymer and said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer each have a melt flow rate (MFR) within the range of 1 to 40 g/10 min and the MFR of one of said copolymers is at least twice that of the other of said copolymers.Type: ApplicationFiled: April 13, 2012Publication date: August 9, 2012Applicant: E. I. DU PONT DE NEMOURS AND .COMPANYInventors: HEIDI ELIZABETH BURCH, SUNDAR KILNAGAR VENKATARAMAN, ROBERT THOMAS YOUNG
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Publication number: 20120172466Abstract: A process for making an extruded foamable composition is disclosed where the foamable composition includes a partially-crystalline melt processible perfluoropolymer and a foam nucleating package. The process makes a foamed product having uniform foam cell size at high speeds without loss of product quality.Type: ApplicationFiled: March 9, 2012Publication date: July 5, 2012Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Sundar Kilnagar Venkataraman, Robert Thomas Young
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Patent number: 8178592Abstract: A foamable fluoropolymer composition containing foam cell nucleating agent is provided, wherein the fluoropolymer comprises melt-fabricable tetrafluoroethylene-/hexafluoropropylene copolymer and tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer, wherein the alkyl contains 1 to 4 carbon atoms, wherein the melting temperature of said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer is no more than 35° C. greater than the melting temperature of said tetrafluoroethylene/hexafluoropropylene copolymer, and/or wherein said tetrafluoroethylene/hexafluoropropylene copolymer and said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer each have a melt flow rate (MFR) within the range of 1 to 40 g/10 min and the MFR of one of said copolymers is at least twice that of the other of said copolymers.Type: GrantFiled: May 7, 2010Date of Patent: May 15, 2012Assignee: E.I. du Pont de Nemours and CompanyInventors: Heidi Elizabeth Burch, Sundar Kilnagar Venkataraman, Robert Thomas Young
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Patent number: 8153701Abstract: A process for making an extruded foamable composition is disclosed where the foamable composition includes a partially-crystalline melt processible perfluoropolymer and a foam nucleating package. The process makes a foamed product having uniform foam cell size at high speeds without loss of product quality.Type: GrantFiled: March 31, 2010Date of Patent: April 10, 2012Assignee: E. I. du Pont de Nemours and CompanyInventors: Sundar Kilnagar Venkataraman, Robert Thomas Young
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Publication number: 20100326697Abstract: The present invention discloses an article made from a foamable thermoplastic polymer composition. The foamable composition of the article includes a partially-crystalline melt processible perfluoropolymer and a foam nucleating package. The foamable composition of the article has a uniform foam cell size where the foam cell size of at least 90% of the foamed cells is 50 micrometers or less. The foam nucleating package ranges from 0.1 to 10 wt % of the combined weight of the perfluoropolymer and the foam nucleating package.Type: ApplicationFiled: September 9, 2010Publication date: December 30, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: SUNDAR KILNAGAR VENKATARAMAN, ROBERT THOMAS YOUNG
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Publication number: 20100293785Abstract: A process of twinning a pair of polymer-insulated conductors to form a twisted pair, where the polymer-insulated conductors are formed by extruding a uniformly thick coating of polymer onto the conductors. More than one twisted pair is encased in a polymer jacket forming a cable. The twisted pair obtains a desirable average impedance performance using a reduced amount by weight of polymer forming said polymer-insulated conductors by: (i) extruding to form longitudinally running peaks and valleys in the exterior surface of each of the polymer-insulated conductors of the pair of polymer-insulated conductors and (ii) twinning resultant polymer-insulated conductors to nest at least one of the peaks in the exterior surface of one of the polymer-insulated conductors in at least one of said valleys in the exterior surface of the other of the polymer-insulated conductors of the pair of polymer-insulated conductors.Type: ApplicationFiled: August 6, 2010Publication date: November 25, 2010Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: GARY THUOT, Robert Thomas Young, John L. Netta
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Publication number: 20100288533Abstract: A foamable fluoropolymer composition containing foam cell nucleating agent is provided, wherein the fluoropolymer comprises melt-fabricable tetrafluoroethylene-/hexafluoropropylene copolymer and tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer, wherein the alkyl contains 1 to 4 carbon atoms, wherein the melting temperature of said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer is no more than 35° C. greater than the melting temperature of said tetrafluoroethylene/hexafluoropropylene copolymer, and/or wherein said tetrafluoroethylene/hexafluoropropylene copolymer and said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer each have a melt flow rate (MFR) within the range of 1 to 40 g/10 min and the MFR of one of said copolymers is at least twice that of the other of said copolymers.Type: ApplicationFiled: May 7, 2010Publication date: November 18, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Heidi Elizabeth Burch, Sundar Kilnagar Venkataraman, Robert Thomas Young
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Patent number: 7795539Abstract: A process of twinning a pair of polymer-insulated conductors to form a twisted pair, where the polymer-insulated conductors are formed by extruding a uniformly thick coating of polymer onto the conductors. More than one twisted pair is encased in a polymer jacket forming a cable. The twisted pair obtains a desirable average impedance performance using a reduced amount by weight of polymer forming said polymer-insulated conductors by: (i) extruding to form longitudinally running peaks and valleys in the exterior surface of each of the polymer-insulated conductors of the pair of polymer-insulated conductors and (ii) twinning resultant polymer-insulated conductors to nest at least one of the peaks in the exterior surface of one of the polymer-insulated conductors in at least one of said valleys in the exterior surface of the other of the polymer-insulated conductors of the pair of polymer-insulated conductors.Type: GrantFiled: April 24, 2009Date of Patent: September 14, 2010Assignee: E. I. du Pont de Nemours and CompanyInventors: Gary Thuot, Robert Thomas Young, John L. Netta
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Publication number: 20100190876Abstract: A process for making an extruded foamable composition is disclosed where the foamable composition includes a partially-crystalline melt processible perfluoropolymer and a foam nucleating package. The process makes a foamed product having uniform foam cell size at high speeds without loss of product quality.Type: ApplicationFiled: March 31, 2010Publication date: July 29, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Sundar Kilnagar Venkataraman, Robert Thomas Young
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Patent number: 7638709Abstract: FEP compositions are provided that provide foam insulation in coaxial cable that surpasses the return loss obtained when PFA is used to make the foamed insulation, one composition comprising a blend of tetrafluoroethylene/hexafluoropropylene copolymers, one of said copolymers exhibiting a strip force of at least about 3 lbf (13.3 N) and another of said copolymers exhibiting a strip force no greater than about 2.5 lbf (11.1 N), said blend exhibiting a strip force of at least about 3 lbf (13.3 N), each said strip force being the force necessary to break adhesion between conductor and said one of said copolymers, said another of said copolymers, and said blend, respectively, and another composition comprising tetrafluoroethylene/hexafluoropropylene copolymer having an MFR of no greater than about 16 g/10 min and containing —CF3 end groups and an effective amount of wire affinity end groups to exhibit a strip force of at least about 3 lbf (13.Type: GrantFiled: May 8, 2008Date of Patent: December 29, 2009Assignee: E. I. du Pont de Nemours and CompanyInventors: Robert D. Kenny, John L. Netta, Sundar Kilnagar Venkataraman, Robert Thomas Young
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Publication number: 20090233052Abstract: A communications cable is provided comprising a conductor and polymer insulation encasing said conductor, the polymer insulation having a foamed interior and having an exterior surface formed from longitudinally running rounded peaks and valleys. A process is also provided for producing this polymer insulation or unfoamed polymer insulation having the same or similar peak/valley exterior surface by extruding molten thermoplastic polymer through an orifice to coat a conductor passing through the orifice, thereby forming polymer insulation on the conductor, said orifice defining the exterior surface of said polymer insulation comprising longitudinally running rounded peaks and valleys, said peaks covering at least about 30% of said exterior surface and having a height that is at least 50% of the width of said peaks.Type: ApplicationFiled: March 13, 2009Publication date: September 17, 2009Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Gary Thuot, Robert Thomas Young, John L. Netta
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Publication number: 20090229851Abstract: A process of twinning a pair of polymer-insulated conductors to form a twisted pair, where the polymer-insulated conductors are formed by extruding a uniformly thick coating of polymer onto the conductors. More than one twisted pair is encased in a polymer jacket forming a cable. The twisted pair obtains a desirable average impedance performance using a reduced amount by weight of polymer forming said polymer-insulated conductors by: (i) extruding to form longitudinally running peaks and valleys in the exterior surface of each of the polymer-insulated conductors of the pair of polymer-insulated conductors and (ii) twinning resultant polymer-insulated conductors to nest at least one of the peaks in the exterior surface of one of the polymer-insulated conductors in at least one of said valleys in the exterior surface of the other of the polymer-insulated conductors of the pair of polymer-insulated conductors.Type: ApplicationFiled: March 13, 2009Publication date: September 17, 2009Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Gary Thuot, Robert Thomas Young, John L. Netta
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Publication number: 20090229852Abstract: A process of twinning a pair of polymer-insulated conductors to form a twisted pair, where the polymer-insulated conductors are formed by extruding a uniformly thick coating of polymer onto the conductors. More than one twisted pair is encased in a polymer jacket forming a cable. The twisted pair obtains a desirable average impedance performance using a reduced amount by weight of polymer forming said polymer-insulated conductors by: (i) extruding to form longitudinally running peaks and valleys in the exterior surface of each of the polymer-insulated conductors of the pair of polymer-insulated conductors and (ii) twinning resultant polymer-insulated conductors to nest at least one of the peaks in the exterior surface of one of the polymer-insulated conductors in at least one of said valleys in the exterior surface of the other of the polymer-insulated conductors of the pair of polymer-insulated conductors.Type: ApplicationFiled: April 24, 2009Publication date: September 17, 2009Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Gary Thuot, Robert Thomas Young, John L. Netta