Patents by Inventor Richard Karpowicz

Richard Karpowicz 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: 9988377
    Abstract: This invention provides a compound having the structure wherein A is a ring structure, with or without substitution; Z is present or absent and when present is wherein n is 0, 1, 2, 3, or 4; Y is —(CR11R12)—, —NH(CR11R12)—, or —O(CR11R12)—, wherein R11 and R12 are each hydrogen or combine to form a carbonyl; R1, R2, R3, R4, R5 and R6 are independently H, substituted or unsubstituted alkyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroalkyl, substituted or unsubstituted heteroaryl, hydroxyl, amino, ester or amide; ? represents a bond, which is present or absent and when ? is present, then R7 and R8 are absent; R7 and R8 are present when ? is absent and are independently H, substituted or unsubstituted alkyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroalkyl, substituted or unsubstituted heteroaryl, hydroxyl, amino, ester, amide or R5 and R7 combine to form a carbonyl or R6 and R8 combine to form a carbonyl; R9 and R10 are each hydrogen o
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: June 5, 2018
    Assignee: THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK
    Inventors: Dalibor Sames, Xiaoguang Li, Shu Li, Andrew Kruegel, Richard Karpowicz, Ignacio Carrera, Souvik Rakshit
  • Publication number: 20150056699
    Abstract: This invention provides a compound having the structure wherein A is a ring structure, with or without substitution; Z is present or absent and when present is wherein n is 0, 1, 2, 3, or 4; Y is —(CR11R12)—, —NH(CR11R12)—, or —O(CR11R12)—, wherein R11 and R12 are each hydrogen or combine to form a carbonyl; R1, R2, R3, R4, R5 and R6 are independently H, substituted or unsubstituted alkyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroalkyl, substituted or unsubstituted heteroaryl, hydroxyl, amino, ester or amide; ? represents a bond, which is present or absent and when ? is present, then R7 and R8 are absent; R7 and R8 are present when ? is absent and are independently H, substituted or unsubstituted alkyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroalkyl, substituted or unsubstituted heteroaryl, hydroxyl, amino, ester, amide or R5 and R7 combine to form a carbonyl or R6 and R8 combine to form a carbonyl; R9 and R10 are each hydrogen o
    Type: Application
    Filed: August 24, 2012
    Publication date: February 26, 2015
    Applicant: The Trustees of Columbia University in the City of New York
    Inventors: Dalibor Sames, Xiaoguang Li, Shu Li, Andrew Kruegel, Richard Karpowicz, Ignacio Carrera, Souvik Rakshit
  • Patent number: 7649045
    Abstract: Protective film forming compositions useful as medical films and other related wound care and treatment articles, including liquid bandages are prepared from emulsion polymers, including a polymer blend including at least one hard emulsion polymer component and at least one soft emulsion polymer component, having the required dynamic storage modulus and mean Tg of the hard and soft polymer blend components.
    Type: Grant
    Filed: January 19, 2006
    Date of Patent: January 19, 2010
    Assignee: Rohm and Haas Company
    Inventors: Richard Karpowicz, Alan I. Nakatani, Katherine Sue Rice
  • Publication number: 20060173111
    Abstract: Protective film forming compositions useful as medical films and other related wound care and treatment articles, including liquid bandages are prepared from emulsion polymers, including a polymer blend including at least one hard emulsion polymer component and at least one soft emulsion polymer component, having the required dynamic storage modulus and mean Tg of the hard and soft polymer blend components.
    Type: Application
    Filed: January 19, 2006
    Publication date: August 3, 2006
    Inventors: Richard Karpowicz, Alan Nakatani, Katherine Rice