Patents by Inventor Irina Malajovich

Irina Malajovich 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).

  • Publication number: 20140144500
    Abstract: This invention provides compositions useful for preparing films of CZTS and its selenium analogues on a coated substrate. This invention also provides processes for preparing films and coated substrates comprising CZTS/Se microparticles embedded in an inorganic matrix. This invention also provides processes for preparing photovoltaic cells comprising films of CZTS and its selenium analogues.
    Type: Application
    Filed: November 20, 2011
    Publication date: May 29, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Yanyan Cao, John W. Catron, JR., Lynda Kaye Johnson, Meijun Lu, Daniela Rodica Radu, Jonathan V. Caspar, Irina Malajovich, H. David Rosenfeld
  • Publication number: 20140048137
    Abstract: This invention provides compositions and the processes for preparing the compositions that are useful for preparing films of CZTS and its selenium analogues on a substrate. Such films are useful in preparing photovoltaic devices. This invention also provides processes for preparing a semiconductor layer comprising CZTS/Se microparticles embedded in an inorganic matrix. This invention also provides processes for making a photovoltaic devices and the photovoltaic devices so produced.
    Type: Application
    Filed: November 20, 2011
    Publication date: February 20, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Yanyan Cao, Lynda Kaye Johnson, Meijun Lu, Irina Malajovich, Daniela Rodica Radu
  • Publication number: 20130292800
    Abstract: This invention relates to processes for preparing films of copper indium gallium sulfide/selenides (CIGS/Se) on substrates via inks comprising CIGS/Se microparticles and a plurality of particles. This invention relates to inks, coated layers, and film compositions. Such films are useful in the preparation of photovoltaic devices. This invention also relates to processes for preparing coated substrates and for making photovoltaic devices.
    Type: Application
    Filed: December 1, 2011
    Publication date: November 7, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Yanyan Cao, Jonathan V. Caspar, Lynda Kaye Johnson, Meijun Lu, Irina Malajovich, Daniela Rodica Radu
  • Publication number: 20130264526
    Abstract: This invention relates to molecular precursors and processes for preparing coated substrates and films of copper indium gallium sulfide/selenides (CIGS/Se). Such films are useful in the preparation of photovoltaic devices. This invention also relates to processes for preparing coated substrates and for making photovoltaic devices.
    Type: Application
    Filed: December 1, 2011
    Publication date: October 10, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Yanyan Cao, John W. Catron, JR., Lynda Kaye Johnson, Meijun Lu, Irina Malajovich, Daniela Rodica Radu
  • Publication number: 20130233202
    Abstract: This invention relates to inks comprising molecular precursors to copper indium gallium sulfide/selenide (CIGS/Se) and a plurality of particles. The inks are useful for preparing coatings and films of CIGS/Se on substrates. Such films are useful in the preparation of photovoltaic devices. This invention also relates to processes for preparing coated substrates and films and also to processes for making photovoltaic devices.
    Type: Application
    Filed: December 1, 2011
    Publication date: September 12, 2013
    Applicant: EI DU PONT DE NEMOURS AND COMPANY
    Inventors: Yanyan Cao, Jonathan V. Caspar, John W. Catron, JR., Lynda Kaye Johnson, Meijun Lu, Irina Malajovich, Daniela Rodica Radu
  • Publication number: 20130221489
    Abstract: The present invention relates to a process to make a chalcogen-containing semiconductor comprising copper, zinc and tin and to inks used in the process. The inks comprise at least one copper, zinc or tin source which is elemental particles of the particular metal.
    Type: Application
    Filed: November 20, 2011
    Publication date: August 29, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Yanyan Cao, Michael S. Denny, JR., Lynda Kaye Johnson, Meijun Lu, Irina Malajovich
  • Patent number: 8470636
    Abstract: The present invention relates to aqueous processes to make metal chalcogenide nanoparticles that are useful precursors to copper zinc tin sulfide/selenide and copper tin sulfide/selenide. In addition, this invention provides processes for preparing crystalline particles from the metal chalcogenide nanoparticles, as well as processes for preparing inks from both the metal chalcogenide nanoparticles and the crystalline particles.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: June 25, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Daniela Rodica Radu, Lynda Kaye Johnson, Cheng-Yu Lai, Meijun Lu, Irina Malajovich
  • Patent number: 8440383
    Abstract: 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: Grant
    Filed: January 26, 2011
    Date of Patent: May 14, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Richard Kevin Bailey, Graciela Beatriz Blanchet, Jonathan V. Caspar, John Catron, Jr., 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 Soria Schiffino, Nancy G. Tassi
  • Publication number: 20120288987
    Abstract: The present invention relates to aqueous processes to make metal chalcogenide nanoparticles that are useful precursors to copper zinc tin sulfide/selenide and copper tin sulfide/selenide. In addition, this invention provides processes for preparing crystalline particles from the metal chalcogenide nanoparticles, as well as processes for preparing inks from both the metal chalcogenide nanoparticles and the crystalline particles.
    Type: Application
    Filed: November 22, 2010
    Publication date: November 15, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Daniela Rodica Radu, Lynda Kaye Johnson, Cheng-Yu Lai, Meijun Lu, Irina Malajovich
  • Patent number: 8308886
    Abstract: 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: Grant
    Filed: July 17, 2006
    Date of Patent: November 13, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Gerald Donald Andrews, Marc B Goldfinger, Mark Andrew Harmer, Gary Delmar Jaycox, Lynda Kaye Johnson, Irina Malajovich, William J Marshall, Elizabeth Forrester McCord, Charles Nehemiah McEwen, Jeffrey Scott Meth, Richard Kevin Bailey, Geoffrey Nunes, Rinaldo Soria Schiffino, Paul J Shannon, Kenneth George Sharp, Karyn B Visscher, Graciela Beatriz Blanchet, John W Catron, Jr., Reid John Chesterfield, Thomas C Felder, Feng Gao, Howard David Glicksman
  • Publication number: 20120055554
    Abstract: This invention relates to nanoparticles of kesterite (copper zinc tin sulfide) and copper zinc tin selenide nanoparticles, inks and devices thereof, and processes to prepare same. The nano-particles are useful to for the absorber layer as a p-type semiconductor in a thin film solar cell application.
    Type: Application
    Filed: May 21, 2010
    Publication date: March 8, 2012
    Applicant: E.I. Du Pont De Nemours and Company
    Inventors: Daniela Rodica Radu, Jonathan V. Caspar, Lynda Kaye Johnson, H. David Rosenfeld, Irina Malajovich, Meijun Lu
  • Patent number: 8053840
    Abstract: The invention relates to thin film transistors comprising novel dielectric layers and novel electrodes comprising metal compositions that can be provided by a dry thermal transfer process.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: November 8, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Richard Kevin Bailey, Graciela Beatriz Blanchet, John W. Catron, Jr., Reid John Chesterfield, Marc B. Goldfinger, Gary Delmar Jaycox, Lynda Kaye Johnson, Irina Malajovich, Hong Meng, Jeffrey Scott Meth, Kenneth George Sharp, Rinaldo Soria Schiffino, Feng Gao, Gerald Donald Andrews
  • Publication number: 20110151214
    Abstract: 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: Application
    Filed: January 26, 2011
    Publication date: June 23, 2011
    Applicant: E.I.DU PONT DE NEMOURS AND COMPANY
    Inventors: 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
  • Patent number: 7901596
    Abstract: Metal compositions including silver compositions are used in preparing thermal imaging donors. The 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, including EMI shields and touchpad sensors.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: March 8, 2011
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Richard Kevin Bailey, Graciela Beatriz Blanchet, Jonathan V Caspar, John Catron, Jr., 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 Soria Schiffino, Nancy G. Tassi
  • Publication number: 20100239794
    Abstract: 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: Application
    Filed: July 17, 2006
    Publication date: September 23, 2010
    Inventors: 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
  • Publication number: 20100239793
    Abstract: The invention is related to thermal imageable dielectric layers and thermal transfer donors and receivers comprising dielectric layers. The thermal transfer donors are useful in making electronic devices by thermal transfer of dielectric layers having excellent resistivity, good transfer properties and good adhesion to a variety of receivers.
    Type: Application
    Filed: July 17, 2006
    Publication date: September 23, 2010
    Inventors: Gerald Donald Andrews, Richard Kevin Bailey, Graciela Beatriz Blanchet, Jonathan V. Caspar, John Catron, Reid John Chesterfield, Feng Gao, Marc B. Goldfinger, Gary Delmar Jaycox, Lynda Kaye Johnson, Irina Malajovich, William J. Marshall, Elizabeth Forrester McCord, Charles Nehemiah McEwan, Jeffrey Scott Meth, Geoffrey Nunes, Gerard O'Neil, Paul J. Shannon, Kenneth George Sharp, Karyn B. Visscher
  • Patent number: 7666568
    Abstract: 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: Grant
    Filed: October 23, 2007
    Date of Patent: February 23, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Feng Gao, Lynda Kaye Johnson, Roupen Leon Keusseyan, Dalen E. Keys, Irina Malajovich, Rinaldo S. Schiffino, Fredrick Claus Zumsteg, Jr.
  • Patent number: 7666567
    Abstract: Disclosed is a method negative imaging 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: Grant
    Filed: October 23, 2007
    Date of Patent: February 23, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Feng Gao, Lynda Kaye Johnson, Roupen Leon Keusseyan, Irina Malajovich, Jeffrey Scott Meth, Kenneth George Sharp, Fredrick Claus Zumsteg, Jr., Seema Agrawal
  • Publication number: 20090297739
    Abstract: 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: Application
    Filed: June 19, 2009
    Publication date: December 3, 2009
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: 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
  • Patent number: 7582403
    Abstract: 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: Grant
    Filed: July 17, 2006
    Date of Patent: September 1, 2009
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: 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