Patents by Inventor Patrick Kiser

Patrick Kiser 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).

  • Intravaginal ring comprising polyurethane composition for drug delivery
    Patent number: 9603932
    Abstract: Intravaginal drug delivery device comprising at least one pharmaceutically active substance, and a polyurethane copolymer, wherein the copolymer has the structure according to formula (I): Also, method comprising administering one or more pharmaceutically active substances to a patient in need thereof.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: March 28, 2017
    Assignee: DSM IP ASSETS, B.V.
    Inventors: Robert S. Ward, Shanger Wang, Li Li, Durgaprasad Chalasani, Patrick Kiser, Meredith Roberts Clark
  • Intravaginal ring comprising polyurethane composition for drug delivery
    Patent number: 9393311
    Abstract: The invention is directed to an intravaginal drug delivery device comprising at least one pharmaceutically active substance, and a polyurethane copolymer, wherein the copolymer has the structure according to formula (I): The invention is further directed to administering one or more pharmaceutically active substances to a patient in need thereof.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: July 19, 2016
    Assignees: DSM IP ASSETS B.V., DSM BIOMEDICAL INC.
    Inventors: Robert S. Ward, Shanger Wang, Li Li, Durgaprasad Chalasani, Patrick Kiser, Meredith Roberts Clark
  • INTRAVAGINAL DRUG DELIVERY DEVICE COMPRISING A POLYURETHANE COPOLYMER
    Publication number: 20160120800
    Abstract: Intravaginal drug delivery device comprising at least one pharmaceutically active substance, and a polyurethane copolymer, wherein the copolymer has the structure according to formula (I): Also, method comprising administering one or more pharmaceutically active substances to a patient in need thereof.
    Type: Application
    Filed: January 12, 2016
    Publication date: May 5, 2016
    Applicant: DSM IP ASSETS B.V.
    Inventors: Robert S. WARD, Shanger WANG, Li Li, Durgaprasad CHALASANI, Patrick KISER, Meredith Roberts CLARK
  • INTRAVAGINAL RING COMPRISING POLYURETHANE COMPOSITION FOR DRUG DELIVERY
    Publication number: 20140045792
    Abstract: The invention is directed to an intravaginal drug delivery device comprising at least one pharmaceutically active substance, and a polyurethane copolymer, wherein the copolymer has the structure according to formula (I): The invention is further directed to administering one or more pharmaceutically active substances to a patient in need thereof.
    Type: Application
    Filed: November 15, 2011
    Publication date: February 13, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Robert S. Ward, Shanger Wang, Li Li, Durgaprasad Chalasani, Patrick Kiser, Meredith Roberts Clark
  • BIODEGRADABLE INTRAVAGINAL MEDICAL DEVICE FOR DELIVERY OF THERAPEUTICS
    Publication number: 20100316691
    Abstract: The present disclosure relates to biodegradable intravaginal rings for the delivery of therapeutic or prophylactic agent, inter alia, antiviral agents. The present disclosure further relates to biodegradable polyurethanes which will allow therapeutic/prophylactic agents to be released in a controlled manner that will not degrade when in use, but will degrade upon disposal.
    Type: Application
    Filed: January 22, 2008
    Publication date: December 16, 2010
    Applicants: University of Utah Research Foundation, International Partnership For Microbicides, Inc.
    Inventors: Patrick Kiser, Patrick Tresco, Mark Mitchnick, Kavita Gupta, Hyder Aliyar
  • Bioresponsive polymer system for delivery of microbicides
    Publication number: 20070166382
    Abstract: The polymer systems of the present invention degrade in the presence of an ejaculate. They may further provide degradable sequences that degrade upon contact with an ejaculate and/or microbicides. The polymer systems of the present invention are of use in the oral, rectal or vaginal cavities of an individual for such purposes as the treatment or prevention of sexually transmitted disease, the prevention or promotion of fertility or for hormone replacement therapy.
    Type: Application
    Filed: March 28, 2005
    Publication date: July 19, 2007
    Inventors: Patrick Kiser, David Katz, Russell Stewart