Patents by Inventor Edward Leshchiner

Edward Leshchiner 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: 5399351
    Abstract: Disclosed are biocompatible viscoelastic gel slurries formed from a polymeric gel, preferably a hyaluronan or a derivative thereof such as hylan swollen in an aqueous medium and a fluid phase which is an aqueous solution of a polymer which may also but not necessarily be a hyaluronan or derivative thereof. Also disclosed are methods of making such slurries, controlling their rheological properties and the uses thereof.
    Type: Grant
    Filed: June 24, 1993
    Date of Patent: March 21, 1995
    Assignee: Biomatrix, Inc.
    Inventors: Edward Leshchiner, Endre A. Balazs, Nancy E. Larsen, Adelva Leshchiner
  • Patent number: 5246698
    Abstract: Disclosed are biocompatible viscoelastic gel slurries formed from a polymeric gel, preferably a hyaluronan or a derivative thereof such as hylan swollen in an aqueous medium and a fluid phase which is an aqueous solution of a polymer which may also but not necessarily be a hyaluronan or derivative thereof. Also disclosed are methods of making such slurries, controlling their rheological properties and the uses thereof.
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: September 21, 1993
    Assignee: Biomatrix, Inc.
    Inventors: Edward Leshchiner, Endre A. Balazs, Nancy E. Larsen, Adelya Leshchiner
  • Patent number: 5143724
    Abstract: Disclosed are biocompatible viscoelastic gel slurries formed from a polymeric gel, preferably a hyaluronan or a derivative thereof such as hylan swollen in an aqueous medium and a fluid phase which is an aqueous solution of a polymer which may also but not necessarily be a hyaluronan or derivative thereof. Also disclosed are methods of making such slurries, controlling their rheological properties and the uses thereof.
    Type: Grant
    Filed: July 9, 1990
    Date of Patent: September 1, 1992
    Assignee: Biomatrix, Inc.
    Inventors: Edward Leshchiner, Endre A. Balazs, Nancy E. Larsen, Adelya Leshchiner