Patents Assigned to Unicare Biomedical, Inc.
  • Biocompatible polymeric compositions having microcrystalline and amorphous components and methods for their manufacture
    Patent number: 8992949
    Abstract: Compositions comprising a polymer-based macroscopically homogeneous polymer alloy comprising a plurality of microcrystalline components dispersed within an amorphous component, which is biocompatible, bioerodable, substantially non-toxic, and excretable, or metabolized when introduced into a mammalian body. In preferred embodiments, malleable molded devices such as implants, films, drug delivery systems and the like, are comprised of the compositions. Methods of making such compositions by controlled cooling of the molten alloy are also described.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: March 31, 2015
    Assignee: Unicare Biomedical, Inc.
    Inventor: Shih-Liang Yang
  • Compositions and methods for repair of osseous defects and accelerated wound healing
    Patent number: 6482427
    Abstract: Compositions useful for repairing osseous defects and healing of wounds and burns include particulate bioactive and biocompatible glass including 40 to 58% by weight silica, 10 to 32% by weight calcia, 10 to 32% by weight soda, 2 to 10% by weight phosphorus pentoxide and 0 to 8% by weight silver oxide. The particles have a size distribution of: less than 500 microns. Methods for repairing osseous defects, healing wounds and burns utilizing such compositions are also provided.
    Type: Grant
    Filed: March 15, 2001
    Date of Patent: November 19, 2002
    Assignee: Unicare Biomedical, Inc.
    Inventor: Shih-Liang S. Yang
  • Compositions and methods for repair of osseous defects and accelerated wound healing
    Publication number: 20010024662
    Abstract: Compositions useful for repairing osseous defects and healing of wounds and burns include particulate bioactive and biocompatible glass including 40 to 58% by weight silica, 10 to 32% by weight calcia, 10 to 32% by weight soda, 2 to 10% by weight phosphorus pentoxide and 0 to 8% by weight silver oxide. The particles have a size distribution of: less than 500 microns. Methods for repairing osseous defects, healing wounds and burns utilizing such compositions are also provided.
    Type: Application
    Filed: March 15, 2001
    Publication date: September 27, 2001
    Applicant: Unicare Biomedical, Inc.
    Inventor: Shih-Liang S. Yang
  • Compositions and methods to repair osseous defects
    Patent number: 6228386
    Abstract: Compositions useful for repairing osseous defects include particulate bioactive and biocompatible glass including 40 to 58% by weight silica, 10 to 320 by weight calcia, 10 to 320 by weight soda and 2 to 10% by weight phosphorus pentoxide. The particles have a size distribution of: 20 to 65% by weight, 50 microns to less than 297 microns; 20 to 45% by weight, 297 to less than 350 microns; and 15 to 40% by weight, 350 microns to less than 420 microns. Methods for repairing osseous defects utilizing such compositions are also provided.
    Type: Grant
    Filed: April 23, 1999
    Date of Patent: May 8, 2001
    Assignee: Unicare Biomedical, Inc.
    Inventor: Shih-Liang S. Yang