Patents by Inventor Joseph Letizia

Joseph Letizia 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).

  • Patent number: 8440097
    Abstract: A chemical mechanical polishing composition useful for chemical mechanical polishing a semiconductor wafer containing an interconnect metal is provided, comprising, as initial components: water; an azole inhibitor; an alkali metal organic surfactant; a hydrotrope; a phosphorus containing agent; optionally, a non-saccharide water soluble polymer; optionally, a water soluble acid compound of formula I, wherein R is selected from a hydrogen and a C1-5 alkyl group, and wherein x is 1 or 2; optionally, a complexing agent; optionally, an oxidizer; optionally, an organic solvent; and, optionally, an abrasive.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: May 14, 2013
    Assignee: Rohm and Haas Electronic Materials CMP Holdings, Inc.
    Inventors: Hamed Lakrout, Jinjie Shi, Joseph Letizia, Xu Li, Thomas H. Kalantar, Francis Kelley, J. Keith Harris, Christopher J. Tucker
  • Patent number: 8435896
    Abstract: A chemical mechanical polishing composition useful for chemical mechanical polishing a semiconductor wafer containing an interconnect metal is provided, comprising, as initial components: water; an azole inhibitor; an alkali metal organic surfactant; a hydrotrope; a phosphorus containing agent; a water soluble cellulose; optionally, a non-saccharide water soluble polymer; optionally, a water soluble acid compound of formula I, wherein R is selected from a hydrogen and a C1-5 alkyl group, and wherein x is 1 or 2; optionally, a complexing agent; optionally, an oxidizer; optionally, an organic solvent; and, optionally, an abrasive.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: May 7, 2013
    Assignee: Rohm and Haas Electronic Materials CMP Holdings, Inc.
    Inventors: Hamed Lakrout, Jinjie Shi, Joseph Letizia, Xu Li, Thomas H. Kalantar, Francis Kelley, J. Keith Harris, Christopher J. Tucker
  • Publication number: 20120225555
    Abstract: A chemical mechanical polishing composition useful for chemical mechanical polishing a semiconductor wafer containing an interconnect metal is provided, comprising, as initial components: water; an azole inhibitor; an alkali metal organic surfactant; a hydrotrope; a phosphorus containing agent; a water soluble cellulose; optionally, a non-saccharide water soluble polymer; optionally, a water soluble acid compound of formula I, wherein R is selected from a hydrogen and a C1-5 alkyl group, and wherein x is 1 or 2; optionally, a complexing agent; optionally, an oxidizer; optionally, an organic solvent; and, optionally, an abrasive.
    Type: Application
    Filed: March 3, 2011
    Publication date: September 6, 2012
    Applicant: Rohm and Haas Electronic Materials CMP Holdings, Inc.
    Inventors: Hamed Lakrout, Jinjie Shi, Joseph Letizia, Xu Li, Thomas H. Kalantar, Francis Kelley, J. Keith Harris, Christopher J. Tucker
  • Publication number: 20120225556
    Abstract: A chemical mechanical polishing composition useful for chemical mechanical polishing a semiconductor wafer containing an interconnect metal is provided, comprising, as initial components: water; an azole inhibitor; an alkali metal organic surfactant; a hydrotrope; a phosphorus containing agent; optionally, a non-saccharide water soluble polymer; optionally, a water soluble acid compound of formula I, wherein R is selected from a hydrogen and a C1-5 alkyl group, and wherein x is 1 or 2; optionally, a complexing agent; optionally, an oxidizer; optionally, an organic solvent; and, optionally, an abrasive.
    Type: Application
    Filed: March 3, 2011
    Publication date: September 6, 2012
    Applicant: Rohm and Haas Electronic Materials CMP Holdings, Inc.
    Inventors: Hamed Lakrout, Jinjie Shi, Joseph Letizia, Xu Li, Thomas H. Kalantar, Francis Kelley, J. Keith Harris, Christopher J. Tucker
  • Patent number: 7816480
    Abstract: The present teachings provide silole-based polymers that can be used as p-type semiconductors. More specifically, the present teachings provide polymers that include a repeating unit of Formula I: wherein R1, R2, R3, R4, R5R6, Z, x, and x? are as defined herein. The present teachings also provide methods of preparing these polymers, and relate to various compositions, composites, and devices that incorporate these polymers.
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: October 19, 2010
    Assignee: Northwestern University
    Inventors: Tobin J. Marks, Antonio Facchetti, Gang Lu, Hakan Usta, Joseph Letizia
  • Publication number: 20100024883
    Abstract: The present teachings provide silole-based polymers that can be used as p-type semiconductors. More specifically, the present teachings provide polymers that include a repeating unit of Formula I: wherein R1, R2, R3, R4, R5R6, Z, x, and x? are as defined herein. The present teachings also provide methods of preparing these polymers, and relate to various compositions, composites, and devices that incorporate these polymers.
    Type: Application
    Filed: September 21, 2009
    Publication date: February 4, 2010
    Inventors: Tobin J. Marks, Antonio Facchetti, Gang Lu, Hakan Usta, Joseph Letizia
  • Patent number: 7605225
    Abstract: The present teachings provide silole-based polymers that can be used as p-type semiconductors. More specifically, the present teachings provide polymers that include a repeating unit of Formula I: wherein R1, R2, R3, R4, R5, R6, Z, x, and x? are as defined herein. The present teachings also provide methods of preparing these polymers, and relate to various compositions, composites, and devices that incorporate these polymers.
    Type: Grant
    Filed: May 11, 2007
    Date of Patent: October 20, 2009
    Assignee: Northwestern University
    Inventors: Tobin J. Marks, Antonio Facchetti, Gang Lu, Hakan Usta, Joseph Letizia
  • Publication number: 20070282094
    Abstract: The present teachings provide silole-based polymers that can be used as p-type semiconductors. More specifically, the present teachings provide polymers that include a repeating unit of Formula I: wherein R1, R2, R3, R4, R5, R6, Z, x, and x? are as defined herein. The present teachings also provide methods of preparing these polymers, and relate to various compositions, composites, and devices that incorporate these polymers.
    Type: Application
    Filed: August 13, 2007
    Publication date: December 6, 2007
    Inventors: Tobin Marks, Antonio Facchetti, Gang Lu, Hakan Usta, Joseph Letizia