Patents by Inventor Loantrang Dang

Loantrang Dang 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: 9138310
    Abstract: A method of texturing a soft prosthetic implant shell, such as a silicone breast implant shell. A soft prosthetic implant with a textured external surface layer of silicone elastomer and having an open-cell structure is made by adhering and then dissolving round salt crystals. The resulting roughened surface has enhanced physical properties relative to surfaces formed with angular salt crystals. An implant having such a textured external surface layer is expected to help prevent capsular contraction, to help prevent scar formation, and to help in anchoring the implant within the body.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: September 22, 2015
    Assignee: Allergan, Inc.
    Inventors: Thomas Powell, Loantrang Dang
  • Publication number: 20140066968
    Abstract: An intragastric balloon with a 12-month lifespan. The intragastric balloon has a shell made of a material with as good as or better than initial mechanical properties of previous materials; i.e. higher ultimate tensile strength (UTS) and elongation at break (Eb), lower stiffness (K), higher acid stability, and improved resistance to infection. The new materials in particular provide improved acid resistance. These new materials produce a device that has reduced adverse events and a longer lifespan in vivo. The materials may form the entire wall of the shell or may form just a barrier layer coupled with a scaffold layer of a different material.
    Type: Application
    Filed: November 8, 2013
    Publication date: March 6, 2014
    Applicant: Allergan, Inc.
    Inventors: Elizabeta Pavlovic, Jordan Thompson, Loantrang Dang, Alexei Goraltchouk
  • Publication number: 20130267983
    Abstract: An intragastric balloon with a 12-month lifespan. The intragastric balloon has a shell made of a material with as good as or better than initial mechanical properties of previous materials; i.e. higher ultimate tensile strength (UTS) and elongation at break (Eb), lower stiffness (K), higher acid stability, and improved resistance to infection. The new materials in particular provide improved acid resistance. These new materials produce a device that has reduced adverse events and a longer lifespan in vivo. The materials may form the entire wall of the shell or may form just a barrier layer coupled with a scaffold layer of a different material.
    Type: Application
    Filed: April 5, 2012
    Publication date: October 10, 2013
    Applicant: ALLERGAN, INC.
    Inventors: Elizabeta Pavlovic, Jordan Thompson, Loantrang Dang, Alexei Goraltchouk
  • Patent number: 8313527
    Abstract: A method of texturing a soft prosthetic implant shell, such as a silicone breast implant shell. A soft prosthetic implant with a textured external surface layer of silicone elastomer and having an open-cell structure is made by adhering and then dissolving round salt crystals. The resulting roughened surface has enhanced physical properties relative to surfaces formed with angular salt crystals. An implant having such a textured external surface layer is expected to help prevent capsular contraction, to help prevent scar formation, and to help in anchoring the implant within the body.
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: November 20, 2012
    Assignee: Allergan, Inc.
    Inventors: Thomas E. Powell, Loantrang Dang
  • Publication number: 20110117267
    Abstract: A method of texturing a soft prosthetic implant shell, such as a silicone breast implant shell. A soft prosthetic implant with a textured external surface layer of silicone elastomer and having an open-cell structure is made by adhering and then dissolving round salt crystals. The resulting roughened surface has enhanced physical properties relative to surfaces formed with angular salt crystals. An implant having such a textured external surface layer is expected to help prevent capsular contraction, to help prevent scar formation, and to help in anchoring the implant within the body.
    Type: Application
    Filed: January 21, 2011
    Publication date: May 19, 2011
    Applicant: ALLERGAN, INC.
    Inventors: Thomas E. Powell, Loantrang Dang
  • Publication number: 20090118829
    Abstract: A method of texturing a soft prosthetic implant shell, such as a silicone breast implant shell. A soft prosthetic implant with a textured external surface layer of silicone elastomer and having an open-cell structure is made by adhering and then dissolving round salt crystals. The resulting roughened surface has enhanced physical properties relative to surfaces formed with angular salt crystals. An implant having such a textured external surface layer is expected to help prevent capsular contraction, to help prevent scar formation, and to help in anchoring the implant within the body.
    Type: Application
    Filed: October 30, 2008
    Publication date: May 7, 2009
    Inventors: Thomas E. Powell, Loantrang Dang