Patents by Inventor Rinaldo S. Schiffino
Rinaldo S. Schiffino 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: 8252339Abstract: A method for medical treatment was developed in which microspheres with novel properties are administered in a mammal. The microspheres are made using a novel process that results in microspheres with new combined properties of high density, low fracture, high swell capacity, rapid swell, and deformability following swell. These microspheres may be administered for void filling, tissue bulking, non-vasculature occlusion, body fluid absorption, and delivery of medications.Type: GrantFiled: April 5, 2007Date of Patent: August 28, 2012Assignees: E I du Pont de Nemours and CompanyInventors: Garret D. Figuly, Surbhi Mahajan, Rinaldo S. Schiffino, Sujata K. Bhatia, Elazer R. Edelman, Tarek Michael Shazly, Michael Jordan Feldstein
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Patent number: 8062673Abstract: A method for embolization treatment was developed in which microspheres with novel properties are administered in a mammal. The microspheres are made using a novel process that results in microspheres with new combined properties of high density, low fracture, high swell capacity, rapid swell, and deformability following swell. These microspheres form occlusions with high durability, withstanding over 100 mm Hg (13.3 kPa) of pressure.Type: GrantFiled: April 5, 2007Date of Patent: November 22, 2011Assignee: E I Du Pont de Nemours and CompanyInventors: Garret D. Figuly, Surbhi Mahajan, Rinaldo S. Schiffino, Michael Jordan Feldstein, Tarek Michael Shazly, Elazer R. Edelman
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Publication number: 20110151214Abstract: Thermal imaging donors are useful for thermal transfer patterning of a metal layer and optionally, a corresponding proximate portion of an additional transfer layer onto a thermal imaging receiver. The compositions are useful for dry fabrication of electronic devices. Also provided are patterned multilayer compositions comprising one or more base film(s), and one or more patterned metal layers. These include electromagnetic interference shields and touchpad sensors.Type: ApplicationFiled: January 26, 2011Publication date: June 23, 2011Applicant: E.I.DU PONT DE NEMOURS AND COMPANYInventors: Richard Kevin Bailey, Graciela Beatriz Blanchet, Jonathan V. Caspar, John Catron, Reid John Chesterfield, Thomas C. Felder, Feng Gao, Lynda Kaye Johnson, Roupen Leon Keusseyan, Dalen E. Keys, Irina Malajovich, Jeffrey Scott Meth, Geoffrey Nunes, Gerard O'Nell, Rinaldo S. Schiffino, Nancy G. Tassi
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Publication number: 20100239794Abstract: The invention discloses processes for thermal transfer patterning of a nanoparticle layer and a corresponding proximate portion of a carrier layer, and optionally additional transfer layers, together onto a thermal imaging receiver. The invention is useful for dry fabrication of electronic devices. Additional embodiments of the invention include multilayer thermal imaging donors comprising in layered sequence: a base film, a carrier layer and a nanoparticle layer. The carrier layer can be a dielectric or conducting layer. When the carrier layer is a dielectric layer, the base film includes a light attenuating agent in the form of a dye or pigment.Type: ApplicationFiled: July 17, 2006Publication date: September 23, 2010Inventors: Gerald Donald Andrews, Richard Kevin Bailey, Graciela Beatriz Blanchet, Jonathan V. Caspar, John Catron, Reid John Chesterfield, Thomas C. Felder, Feng Gao, Howard David Glicksman, Marc B. Goldfinger, Mark Andrew Harmer, Gary Delmar Jaycox, Lynda Kaye Johnson, Dalen E. Keys, Irina Malajovich, William J. Marshall, Elizabeth Forrester McCord, Charles Nehemiah McEwen, Jeffrey Scott Meth, Geoffrey Nunes, Rinaldo S. Schiffino, Paul J. Shannon, Kenneth George Sharp, Nancy G. Tassi, Karyn B. Visscher
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Patent number: 7794755Abstract: A process for producing microspheres was developed that provides microspheres with new combined properties of high density, low fracture, high swell capacity, rapid swell, and deformability following swell. The process is reliable and high yielding, and makes use of a low temperature azo initiator and a small molecule chlorinated solvent as the organic phase. The microsphere preparation made using the process is particularly useful in medical treatments such as embolization.Type: GrantFiled: April 5, 2007Date of Patent: September 14, 2010Assignee: E.I. du Pont de Nemours and CompanyInventors: Garret D. Figuly, Surbhi Mahajan, Rinaldo S. Schiffino
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Patent number: 7744717Abstract: Provided are processes for enhancing the resolution of a thermally transferred pattern on an imaged thermal transfer receiver, wherein the imaged thermal transfer receiver comprises a surface having an exposed portion and a non-exposed portion of one or more thermally transferred layer(s), comprising: (a) contacting said surface with an adhesive layer for a contact period to provide a laminate; (b) separating said adhesive layer from the laminate to provide a treated thermal transfer receiver having a surface substantially free of said non-exposed portion of one or more thermally transferred layer(s). The processes are useful in the fabrication of electronic devices including thin film transistors, circuits, electromagnetic interference shields, touchpad sensors and other electronic devices.Type: GrantFiled: April 25, 2007Date of Patent: June 29, 2010Assignee: E. I. du Pont de Nemours and CompanyInventors: Gerald Donald Andrews, Richard Kevin Bailey, Graciela Beatriz Blanchet, John W. Catron, Feng Gao, Gary Delmar Jaycox, Lynda Kaye Johnson, Roupen Leon Keusseyan, Jeffrey Scott Meth, Frank S. Principe, Rinaldo S. Schiffino, Robert Mar Yohannan
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Patent number: 7666568Abstract: Disclosed is a method for making a metal pattern with high conductivity comprising providing a patterned substrate comprising a patterned catalyst layer on a base substrate by a thermal imaging method followed by plating to provide the metal pattern. The metal patterns provided are suitable for electrical devices including electromagnetic interference shielding devices and touchpad sensors.Type: GrantFiled: October 23, 2007Date of Patent: February 23, 2010Assignee: E. I. du Pont de Nemours and CompanyInventors: Feng Gao, Lynda Kaye Johnson, Roupen Leon Keusseyan, Dalen E. Keys, Irina Malajovich, Rinaldo S. Schiffino, Fredrick Claus Zumsteg, Jr.
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Publication number: 20090297739Abstract: The invention provides metal compositions, including silver compositions, and thermal imaging donors prepared with the compositions. The donors are useful for thermal transfer patterning of a metal layers and optionally, a corresponding proximate portion of an additional transfer layer onto a thermal imaging receiver. The compositions are useful for dry fabrication of electronic devices. Also provided are patterned multilayer compositions comprising one or more base film(s), and one or more patterned metal layers, including EMI shields and touchpad sensors.Type: ApplicationFiled: June 19, 2009Publication date: December 3, 2009Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Richard Kevin Baily, Graciela Beatriz Blanchet, Jonathan V. Caspar, John Catron, Reid John Chesterfield, Thomas C. Felder, Feng Gao, Lynda Kaye Johnson, Roupen Leon Keusseyan, Dalen E. Keys, Irina Malajovich, Jeffrey Scott Meth, Geoffrey Nunes, Gerard O'Neil, Rinaldo S. Schiffino, Nancy G. Tassi
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Patent number: 7582403Abstract: The invention provides metal compositions, including silver compositions, and thermal imaging donors prepared with the compositions. The donors are useful for thermal transfer patterning of a metal layers and optionally, a corresponding proximate portion of an additional transfer layer onto a thermal imaging receiver. The compositions are useful for dry fabrication of electronic devices. Also provided are patterned multilayer compositions comprising one or more base film(s), and one or more patterned metal layers, including EMI shields and touchpad sensors.Type: GrantFiled: July 17, 2006Date of Patent: September 1, 2009Assignee: E. I. du Pont de Nemours and CompanyInventors: Richard Kevin Bailey, Graciela Beatriz Blanchet, Jonathan V. Caspar, John W. Catron, Reid John Chesterfield, Thomas C. Felder, Feng Gao, Lynda Kaye Johnson, Roupen Leon Keusseyan, Dalen E. Keys, Irina Malajovich, Jeffrey Scott Meth, Geoffrey Nunes, Gerard O'Neil, Rinaldo S. Schiffino, Nancy G. Tassi
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Publication number: 20090143550Abstract: Ethylene and allyl- or vinylsilanes are efficiently copolymerized by certain late transition metal complexes containing selected bidentate or tridentate ligands. The resulting novel polymers may be crosslinked by moisture when vinylsilane contains groups bound to silicon which are hydrolyzable. The polymers are useful for wire coating, crosslinked foams, pipes, and other uses.Type: ApplicationFiled: December 19, 2007Publication date: June 4, 2009Inventors: Steven Dale Ittel, Lynda Kaye Johnson, Lin Wang, Ying Wang, Elizabeth Forrester McCord, Chatherine E. Radzewich, Stephan J. McLain, Karl J. Sweetman, Alison Margaret Anne Bennett, Alex Sergey Ionkin, Rinaldo S. Schiffino
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Publication number: 20090104572Abstract: Disclosed is a method for making a metal pattern with high conductivity comprising providing a patterned substrate comprising a patterned catalyst layer on a base substrate by a thermal imaging method followed by plating to provide the metal pattern. The metal patterns provided are suitable for electrical devices including electromagnetic interference shielding devices and touchpad sensors.Type: ApplicationFiled: October 23, 2007Publication date: April 23, 2009Inventors: FENG GAO, LYNDA KAYE JOHNSON, ROUPEN LEON KEUSSEYAN, DALEN E. KEYS, IRINA MALAJOVICH, RINALDO S. SCHIFFINO, FREDRICK CLAUS ZUMSTEG, JR.
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Patent number: 7348388Abstract: Ethylene and allyl- or vinylsilanes are efficiently copolymerized by certain late transition metal complexes containing selected bidentate or tridentate ligands. The resulting novel polymers may be crosslinked by moisture when vinylsilane contains groups bound to silicon which are hydrolyzable. The polymers are useful for wire coating, crosslinked foams, pipes, and other uses.Type: GrantFiled: November 15, 2002Date of Patent: March 25, 2008Assignee: E.I. du Pont de Nemours and CompanyInventors: Steven Dale Ittel, Lynda Kaye Johnson, Lin Wang, Ying Wang, Elizabeth Forrester McCord, Catherine E. Radzewich, Stephan J. Mclain, Karl J. Sweetman, Alison Margaret Anne Bennett, Alex Sergey Ionkin, Rinaldo S. Schiffino
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Publication number: 20080014528Abstract: The invention provides metal compositions, including silver compositions, and thermal imaging donors prepared with the compositions. The donors are useful for thermal transfer patterning of a metal layers and optionally, a corresponding proximate portion of an additional transfer layer onto a thermal imaging receiver. The compositions are useful for dry fabrication of electronic devices. Also provided are patterned multilayer compositions comprising one or more base film(s), and one or more patterned metal layers, including EMI shields and touchpad sensors.Type: ApplicationFiled: July 17, 2006Publication date: January 17, 2008Inventors: Richard Kevin Bailey, Graciela Beatriz Blanchet, Jonathan V. Caspar, John Catron, Reid John Chesterfield, Thomas C. Felder, Feng Gao, Lynda Kaye Johnson, Roupen Leon Keusseyan, Dalen E. Keys, Irina Malajovich, Jeffrey Scott Meth, Geoffrey Nunes, Gerard O'Neil, Rinaldo S. Schiffino, Nancy G. Tassi
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Publication number: 20080012163Abstract: Provided are processes for enhancing the resolution of a thermally transferred pattern on an imaged thermal transfer receiver, wherein the imaged thermal transfer receiver comprises a surface having an exposed portion and a non-exposed portion of one or more thermally transferred layer(s), comprising: (a) contacting said surface with an adhesive layer for a contact period to provide a laminate; (b) separating said adhesive layer from the laminate to provide a treated thermal transfer receiver having a surface substantially free of said non-exposed portion of one or more thermally transferred layer(s). The processes are useful in the fabrication of electronic devices including thin film transistors, circuits, electromagnetic interference shields, touchpad sensors and other electronic devices.Type: ApplicationFiled: April 25, 2007Publication date: January 17, 2008Inventors: Gerald Donald Andrews, Richard Kevin Bailey, Graciela Beatriz Blanchet, John Catron, Feng Gao, Gary Delmar Jaycox, Lynda Kaye Johnson, Roupen Leon Keusseyan, Jeffrey Scott Meth, Frank S. Principe, Rinaldo S. Schiffino, Robert Mar Yohannan
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Publication number: 20070237741Abstract: A method for medical treatment was developed in which microspheres with novel properties are administered in a mammal. The microspheres are made using a novel process that results in microspheres with new combined properties of high density, low fracture, high swell capacity, rapid swell, and deformability following swell. These microspheres may be administered for void filling, tissue bulking, non-vasculature occlusion, body fluid absorption, and delivery of medications.Type: ApplicationFiled: April 5, 2007Publication date: October 11, 2007Inventors: Garret D. Figuly, Surbhi Mahajan, Rinaldo S. Schiffino, Sujata K. Bhatia, Elazer R. Edelman, Tarek Michael Shazly, Michael Jordan Feldstein
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Publication number: 20070237956Abstract: A process for producing microspheres was developed that provides microspheres with new combined properties of high density, low fracture, high swell capacity, rapid swell, and deformability following swell. The process is reliable and high yielding, and makes use of a low temperature azo initiator and a small molecule chlorinated solvent as the organic phase. The microsphere preparation made using the process is particularly useful in medical treatments such as embolization.Type: ApplicationFiled: April 5, 2007Publication date: October 11, 2007Inventors: Garret D. Figuly, Surbhi Mahajan, Rinaldo S. Schiffino
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Patent number: 7053259Abstract: ?-Olefins are made in a modified plug flow reactor system by the oligomerization of ethylene using an iron complex of a selected diimine of a 2,6-pyridinecarboxaldehyde(bisimine) or 2,6-diacylpyridine(bisimine) as the oligomerization catalyst. The reactor is modified to add the iron complex at two or more points along the length of the plug flow reactor, the distance between addition points being dependent on the half-life of the active ethylene oligomerization catalyst.Type: GrantFiled: September 8, 2003Date of Patent: May 30, 2006Assignee: E. I. du Pont de Nemours and CompanyInventors: David A. Culver, Rinaldo S. Schiffino, Dewey Lynn Kerbow
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Publication number: 20040111002Abstract: &agr;-Olefins are made in a modified plug flow reactor system by the oligomerization of ethylene using an iron complex of a selected diimine of a 2,6-pyridinecarboxaldehyde(bisimine) or 2,6-diacylpyridine(bisimine) as the oligomerization catalyst. The reactor is modified to add the iron complex at two or more points along the length of the plug flow reactor, the distance between addition points being dependent on the half-life of the active ethylene oligomerization catalyst.Type: ApplicationFiled: September 8, 2003Publication date: June 10, 2004Inventors: David A. Culver, Rinaldo S. Schiffino, Dewey Lynn Kerbow
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Patent number: 6713574Abstract: This invention is a solution process for the preparation of ethylene-a-olefin-diolefin copolymers comprising contacting ethylene, one or more a-olefin monomer, and one or more cyclic diene monomer, with a catalyst composition comprising a bridged, bis(cyclopentadienyl) zirconium compound having an unsubstituted cyclopentadienyl ligand, a multiply substituted cyclopentadienyl ligand, said ligands bridged by a covalent bridging group containing one or more Group 14 element, and two uninegative, activation reactive ligands and a catalyst activator compound. The invention process exhibits high catalyst activity, high comonomer incorporation and high diene monomer conversion rates and is particularly suitable for the preparation of elastomeric ethylene-propylene or ethylene-propylene-diene monomer elastomers.Type: GrantFiled: August 19, 2002Date of Patent: March 30, 2004Assignee: ExxonMobil Chemical Patents Inc.Inventors: Rinaldo S. Schiffino, Donna J. Crowther
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Publication number: 20030212226Abstract: Ethylene and allyl- or vinylsilanes are efficiently copolymerized by certain late transition metal complexes containing selected bidentate or tridentate ligands. The resulting novel polymers may be crosslinked by moisture when vinylsilane contains groups bound to silicon which are hydrolyzable. The polymers are useful for wire coating, crosslinked foams, pipes, and other uses.Type: ApplicationFiled: November 15, 2002Publication date: November 13, 2003Inventors: Steven Dale Ittel, Lynda Kaye Johnson, Lin Wang, Ying Wang, Elizabeth Forrester McCord, Catherine E. Radzewich, Stephan J. McLain, Karl J. Sweetman, Alison Margaret Anne Bennett, Alex Sergey Ionkin, Rinaldo S. Schiffino