Patents by Inventor Richard T. Liggins

Richard T. Liggins 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).

  • COMPOSITIONS AND METHODS FOR COATING MEDICAL IMPLANTS
    Publication number: 20140328891
    Abstract: Medical implants are provided which release a fluoropyrimidine or an analog thereof, thereby inhibiting or reducing the incidence of infection associated with the implant.
    Type: Application
    Filed: July 17, 2014
    Publication date: November 6, 2014
    Inventors: William L. Hunter, David M. Gravett, Philip M. Toleikis, Richard T. Liggins, Troy A.E. Loss
  • Compositions and methods for coating medical implants
    Patent number: 8425927
    Abstract: Medical implants are provided which release an anthracycline, fluoropyrimidine, folic acid antagonist, podophylotoxin, camptothecin, hydroxyurea, and/or platinum complex, thereby inhibiting or reducing the incidence of infection associated with the implant.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: April 23, 2013
    Assignee: Angiotech International AG
    Inventors: William L. Hunter, David M. Gravett, Philip M. Toleikis, Richard T. Liggins, Troy A. E. Loss
  • Compositions and methods for coating medical implants
    Patent number: 8372420
    Abstract: Medical implants are provided which release an anthracycline, fluoropyrimidine, folic acid antagonist, podophylotoxin, camptothecin, hydroxyurea, and/or platinum complex, thereby inhibiting or reducing the incidence of infection associated with the implant.
    Type: Grant
    Filed: September 3, 2009
    Date of Patent: February 12, 2013
    Assignee: Angiotech International AG
    Inventors: William L. Hunter, David M. Gravett, Philip M. Toleikis, Richard T. Liggins, Troy A. E. Loss
  • Compositions and methods for coating medical implants
    Patent number: 8313760
    Abstract: Medical implants are provided which release a fluoropyrimidine or an analog thereof, thereby inhibiting or reducing the incidence of infection associated with the implant.
    Type: Grant
    Filed: April 22, 2008
    Date of Patent: November 20, 2012
    Assignee: Angiotech International AG
    Inventors: William L Hunter, David M Gravett, Philip M Toleikis, Richard T Liggins, Troy A. E. Loss
  • POLYMER COMPOSITIONS AND METHODS FOR THEIR USE
    Publication number: 20120052040
    Abstract: Compositions comprising anti-fibrotic agent(s) and/or polymeric compositions can be used in various medical applications including the prevention of surgical adhesions, treatment of inflammatory arthritis, treatment of scars and keloids, the treatment of vascular disease, and the prevention of cartilage loss.
    Type: Application
    Filed: March 22, 2011
    Publication date: March 1, 2012
    Applicant: Angiotech International AG
    Inventors: William L. Hunter, Philip M. Toleikis, David M. Gravelt, Arpita Maiti, Richard T. Liggins, Aniko Takacs-Cox, Rui Avelar, Troy A.E. Loss, Dechi Guan, Kaiyue Wang
  • COMPOSITIONS AND METHODS FOR COATING MEDICAL IMPLANTS
    Publication number: 20110129513
    Abstract: Medical implants are provided which release an anthracycline, fluoropyrimidine, folic acid antagonist, podophylotoxin, camptothecin, hydroxyurea, and/or platinum complex, thereby inhibiting or reducing the incidence of infection associated with the implant.
    Type: Application
    Filed: November 4, 2010
    Publication date: June 2, 2011
    Applicant: ANGIOTECH INTERNATIONAL AG
    Inventors: William L. Hunter, David M. Gravett, Philip M. Toleikis, Richard T. Liggins, Troy A. E. Loss
  • COMPOSITIONS AND METHODS FOR COATING MEDICAL IMPLANTS
    Publication number: 20100082003
    Abstract: Medical implants are provided which release an anthracycline, fluoropyrimidine, folic acid antagonist, podophylotoxin, camptothecin, hydroxyurea, and/or platinum complex, thereby inhibiting or reducing the incidence of infection associated with the implant.
    Type: Application
    Filed: September 3, 2009
    Publication date: April 1, 2010
    Applicant: Angiotech International AG
    Inventors: William L. Hunter, David M. Gravett, Philip M. Toleikis, Richard T. Liggins, Troy A.E. Loss
  • electrical devices, anti-scarring agents, and therapeutic compositions
    Publication number: 20090280153
    Abstract: Electrical devices (e.g., cardiac rhythm management and neurostimulation devices) for contact with tissue are used in combination with an anti-scarring agent in order to inhibit scarring that may otherwise occur when the devices are implanted within an animal.
    Type: Application
    Filed: March 31, 2006
    Publication date: November 12, 2009
    Applicant: Angiotech International AG
    Inventors: William L. Hunter, Philip M. Toleikis, David M. Gravett, Arpita Maiti, Richard T. Liggins, Aniko Takacs-Cox, Rui Avelar, Pierre E. Signore, Troy A. E. Loss, Anne Hutchinson, Gaye McDonald-Jones, Fara Lakhani
  • COMPOSITIONS AND METHODS FOR TREATING CONTRACTURE
    Publication number: 20090203632
    Abstract: A method for treating contracture is provided that includes administering to a patient in need thereof a composition that includes a therapeutic agent effective in treating contracture. Compositions, devices, and kits for use in treating contracture are also described.
    Type: Application
    Filed: October 8, 2008
    Publication date: August 13, 2009
    Applicant: Angiotech International AG
    Inventors: Rui Avelar, Richard T. Liggins, Philip M. Toleikis, Troy A. E. Loss, David M. Gravett, Arpita Maiti
  • COMPOSITIONS AND METHODS FOR COATING MEDICAL IMPLANTS
    Publication number: 20090060973
    Abstract: Medical implants are provided which release a fluoropyrimidine or an analog thereof, thereby inhibiting or reducing the incidence of infection associated with the implant.
    Type: Application
    Filed: April 22, 2008
    Publication date: March 5, 2009
    Applicant: Angiotech International AG
    Inventors: William L. Hunter, David M. Gravett, Philip M. Toleikis, Richard T. Liggins, Troy A.E. Loss
  • Block Copolymer Compositions and Uses Thereof
    Publication number: 20080247987
    Abstract: The present invention describes compositions, devices, and methods for the production, use and administration of the composition having a non-thermoreversible block copolymer composition.
    Type: Application
    Filed: August 4, 2006
    Publication date: October 9, 2008
    Applicant: ANGIOTECH INTERNATIONAL AG
    Inventors: Richard T. Liggins, Aniko Takacs-Cox, David M. Gravett, Dechi Guan, Troy A.E. Loss, Muxin Liu
  • COMPOSITIONS AND METHODS FOR COATING MEDICAL IMPLANTS
    Publication number: 20080241217
    Abstract: Medical implants are provided which release an anthracycline, fluoropyrimidine, folic acid antagonist, podophylotoxin, camptothecin, hydroxyurea, and/or platinum complex, thereby inhibiting or reducing the incidence of infection associated with the implant.
    Type: Application
    Filed: February 22, 2008
    Publication date: October 2, 2008
    Applicant: Angiotech International AG
    Inventors: William L. Hunter, David M. Gravett, Philip M. Toleikis, Richard T. Liggins, Troy A.E. Loss
  • Compositions and methods for coating medical implants
    Publication number: 20080145514
    Abstract: Medical implants are provided which release an anthracycline, fluoropyrimidine, folic acid antagonist, podophylotoxin, camptothecin, hydroxyurea, and/or platinum complex, thereby inhibiting or reducing the incidence of infection associated with the implant.
    Type: Application
    Filed: July 31, 2007
    Publication date: June 19, 2008
    Applicant: Angiotech International AG
    Inventors: William L. Hunter, David M. Gravett, Philip M. Toleikis, Richard T. Liggins, Troy A. E. Loss
  • Microparticles With High Loadings Of A Bioactive Agent
    Publication number: 20080124400
    Abstract: The present invention discloses compositions, devices and methods for the production, use and administration of compositions that comprise microparticles that are loaded with a drug at a concentration of greater than 50% (weight drug/weight microparticle).
    Type: Application
    Filed: June 24, 2005
    Publication date: May 29, 2008
    Applicant: Angiotech International AG
    Inventors: Richard T. Liggins, Philip M. Toleikis, Dechi Guan
  • Compositions and methods for coating medical implants
    Publication number: 20080113000
    Abstract: Medical implants are provided which release an anthracycline, fluoropyrimidine, folic acid antagonist, podophylotoxin, camptothecin, hydroxyurea, and/or platinum complex, thereby inhibiting or reducing the incidence of infection associated with the implant.
    Type: Application
    Filed: July 31, 2007
    Publication date: May 15, 2008
    Applicant: Angiotech International AG
    Inventors: William L. Hunter, David M. Gravett, Philip M. Toleikis, Richard T. Liggins, Troy A.E. Loss
  • Medical implants and fibrosis-inducing agents
    Patent number: 7166570
    Abstract: Implants are used in combination with a fibrosis-inducing agent in order to induce fibrosis that may otherwise not occur when the implant is placed within an animal or increase fibrosis between the implant and the host tissue.
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: January 23, 2007
    Assignee: Angiotech International AG
    Inventors: William L. Hunter, David M. Gravett, Philip M. Toleikis, Arpita Maiti, Pierre E. Signore, Richard T. Liggins, Dechi Guan
  • Compositions and methods for coating medical implants
    Publication number: 20040043052
    Abstract: Medical implants are provided which release an anthracycline, fluoropyrimidine, folic acid antagonist, podophylotoxin, camptothecin, hydroxyurea, and/or platinum complex, thereby inhibiting or reducing the incidence of infection associated with the implant.
    Type: Application
    Filed: May 27, 2003
    Publication date: March 4, 2004
    Applicant: Angiotech Pharmaceuticals, Inc.
    Inventors: William L. Hunter, David M. Gravett, Philip M. Toleikis, Richard T. Liggins, Troy A. E. Loss
  • Compositions and methods for treating inflammatory conditions utilizing protein or polysaccharide containing anti-microtubule agents
    Publication number: 20030157161
    Abstract: Disclosed herein are compositions and methods for treating a variety of inflammatory conditions (e.g., inflammatory arthritis, adhesions, tumor excision sites, and fibroproliferative diseases of the eye). For example, there is provided a composition comprising a protein or polysaccharide containing dispersed (e.g., in micelle or liposome form) anti-microtubule agent, which may be formulated for administration to a patient in need thereof.
    Type: Application
    Filed: November 6, 2002
    Publication date: August 21, 2003
    Applicant: Angiotech Pharmaceuticals, Inc.
    Inventors: William L. Hunter, David M. Gravett, Richard T. Liggins, Philip M. Toleikis
  • Compositions and methods for treating disease utilizing a combination of radioactive therapy and cell-cycle inhibitors
    Publication number: 20030144570
    Abstract: Disclosed herein are therapeutic devices, compositions and methods for treating proliferative diseases.
    Type: Application
    Filed: May 24, 2002
    Publication date: July 31, 2003
    Applicant: Angiotech Pharmaceuticals, Inc.
    Inventors: William L. Hunter, David M. Gravett, Richard T. Liggins, Troy A.E. Loss, Arpita Maiti, Philip M. Toleikis
  • Compositions and methods for treating inflammatory conditions utilizing protein or polysaccharide containing anti-microtubule agents
    Publication number: 20020192280
    Abstract: Disclosed herein are compositions and methods for treating a variety of inflammatory conditions (e.g., inflammatory arthritis, adhesions, tumor excision sites, and fibroproliferative diseases of the eye). For example, there is provided a composition comprising a protein or polysaccharide containing dispersed (e.g., in micelle or liposome form) anti-microtubule agent, which may be formulated for administration to a patient in need thereof.
    Type: Application
    Filed: May 1, 2002
    Publication date: December 19, 2002
    Applicant: Angiotech Pharmaceuticals, Inc.
    Inventors: William L. Hunter, David M. Gravett, Richard T. Liggins, Philip M. Toleikis