Patents Assigned to The Polymer Technology Group, Incorporated
  • NOVEL PDMS-PVP BLOCK COPOLYMERS
    Publication number: 20100099829
    Abstract: Methods for preparation of functionalized polyvinylpyrrolidone with polyme?zabl? functions and amphipathic polydimethylsiloxane-PVP block copolymers A (meth)acrylated polyvinylpyrrolidone compound and a (meth)acrylamide-functionalized polyvinylpyrrolidone structures are disclosed The block copolymers are useful as biomaterial components in biomedical devices They provide improved wettability, lubricity, and material compatibility to the biomedical device, e g, ophthalmic lenses
    Type: Application
    Filed: March 13, 2008
    Publication date: April 22, 2010
    Applicant: The Polymer Technology Group Incorporated
    Inventor: James PARAKKA
  • Production of potable liquids
    Patent number: 7368056
    Abstract: Water-desalination and/or water purification devices. Alternatively, devices that are implantable in animal bodies, possibly configured as self-inflating spinal disc prostheses. The devices include specified types of water-absorbing solute encapsulated by non-porous, water-permeable polymer membranes having specified properties. Also, methods of using the devices in biomedical applications or water treatment.
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: May 6, 2008
    Assignee: The Polymer Technology Group, Incorporated
    Inventors: Robert S. Ward, Sallie K. Coviello
  • Production of potable liquids
    Publication number: 20040140264
    Abstract: Water-desalination and/or water purification devices. Alternatively, devices that are implantable in animal bodies, possibly configured as self-inflating spinal disc prostheses. The devices include specified types of water-absorbing solute encapsulated by non-porous, water-permeable polymer membranes having specified properties. Also, methods of using the devices in biomedical applications or water treatment.
    Type: Application
    Filed: January 12, 2004
    Publication date: July 22, 2004
    Applicant: The Polymer Technology Group, Incorporated
    Inventors: Robert S. Ward, Sallie K. Coviello
  • Devices that change size/shape via osmotic pressure
    Patent number: 6692528
    Abstract: Devices implantable in animal bodies, possibly configured as self-inflating spinal disc prostheses. Alternatively, non-implantable water-desalination and/or purification devices. The devices include specified types of water-absorbing solute encapsulated by non-porous, water-permeable polymer membranes having specified properties. Also, methods of using the devices in biomedical applications or water treatment.
    Type: Grant
    Filed: November 8, 2001
    Date of Patent: February 17, 2004
    Assignee: The Polymer Technology Group Incorporated
    Inventors: Robert S. Ward, Sallie K. Coviello