Patents by Inventor Roseann Burhenne

Roseann Burhenne 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).

  • Method for treating fine superficial facial lines
    Patent number: 5383930
    Abstract: A device for correcting fine superficial facial lines which comprises a syringe fitted with a 31-33 gauge needle and an aqueous suspension of noncrosslinked fibrillar atelopeptide collagen contained within the syringe barrel, the concentration of collagen in the suspension being in the range of 10 to 50 mg/ml and the suspension exhibiting an extrusion plot in which there is a smooth substantially linear increase in force up to a substantially constant force in the range of 5 to 30 newtons.
    Type: Grant
    Filed: November 2, 1992
    Date of Patent: January 24, 1995
    Assignee: Collagen Corporation
    Inventors: Ann Brannan, Roseann Burhenne, Frank A. Delustro, Thomas L. Smestad, Louis Fries, Rees M. Orland
  • Device for treating fine superficial facial lines
    Patent number: 5366498
    Abstract: A device for correcting fine superficial facial lines which comprises a syringe fitted with a 31-33 gauge needle and an aqueous suspension of noncrosslinked fibrillar atelopeptide collagen contained within the syringe barrel, the concentration of collagen in the suspension being in the range of 10 to 50 mg/ml and the suspension exhibiting an extrusion plot in which there is a smooth substantially linear increase in force up to a substantially constant force in the range of 5 to 30 newtons.
    Type: Grant
    Filed: February 10, 1993
    Date of Patent: November 22, 1994
    Assignee: Collagen Corporation
    Inventors: Ann Brannan, Roseann Burhenne, Frank A. Delustro, Thomas L. Smestad, Louis Fries, Rees M. Orland