Patents by Inventor Andrew D. Hughes

Andrew D. Hughes 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).

  • Amphiphilic Janus-dendrimers
    Patent number: 9623046
    Abstract: The invention concerns compounds of the formula: X—(Y)t wherein: X is Formula (X), each Y is the same or different and is Formula (Y) —O—[CH2—CH(OH)—CH2—O—]m—H; or —C(OR5)3; R1, R2, R3, R6, R7, R8, R9, R10 are each, independently, —(CH2CH2O)m—R4, —[CH2CH(OH)CH2O]nH, OR11, —O(CH2)PR13, or —(CH2)R12; each R4 is independently OR5 or OH; R5, R11 and R12 are each, independently, H or C1-C30 alkyl; R13 is —NH3+Cl? or —NHBoc; t is an integer from 2 to 6; m, n, and p are each, independently, an integer from 1 to 12; and each q, r, and s is 0 or 1 and the sum of q+r+s is at least 2.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: April 18, 2017
    Assignee: The Trustees Of The University Of Pennsylvania
    Inventors: Virgil Percec, Andrew D. Hughes, Pawaret Leowanawat, Daniela A. Wilson, Christopher J. Wilson
  • AMPHIPHILIC JANUS-DENDRIMERS
    Publication number: 20120308640
    Abstract: The invention concerns compounds of the formula: X—(Y)t wherein: X is Formula (X), each Y is the same or different and is Formula (Y) —O—[CH2—CH(OH)—CH2—O—]m—H; or —C(OR5)3; R1, R2, R3, R6, R7, R8, R9, R10 are each, independently, —(CH2CH2O)m—R4, —[CH2CH(OH)CH2O]nH, OR11, —O(CH2)PR13, or —(CH2)R12; each R4 is independently OR5 or OH; R5, R11 and R12 are each, independently, H or C1-C30 alkyl; R13 is —NH3+Cl? or —NHBoc; t is an integer from 2 to 6; m, n, and p are each, independently, an integer from 1 to 12; and each q, r, and s is 0 or 1 and the sum of q+r+s is at least 2.
    Type: Application
    Filed: August 5, 2010
    Publication date: December 6, 2012
    Applicant: The Trustees of The University of Pennsylvania
    Inventors: Virgil Percec, Andrew D. Hughes, Pawaret Leowanawat, Daniela A. Wilson, Christopher J. Wilson