Patents by Inventor Daniel Sheaffer

Daniel Sheaffer 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 OF PRODUCING COLLAGENASE
    Publication number: 20240110171
    Abstract: The present invention relates to the fields of collagenase production and collagenase products, and particularly to improving the reproducibility, purity, and stability of collagenase I and collagenase II compositions, where the compositions are pure to at least 95% by area as measured by reverse phase high pressure liquid chromatography (RP-HPLC) and essentially free of neutral protease.
    Type: Application
    Filed: February 15, 2023
    Publication date: April 4, 2024
    Inventors: Christine A. Sheaffer, Michael Berbaum, John Hanna, Jason Dziadosz, Daniel Shanafelt
  • Adjustable radial flower box
    Patent number: D348028
    Type: Grant
    Filed: December 21, 1992
    Date of Patent: June 21, 1994
    Inventor: Daniel Sheaffer