Patents by Inventor Derek W. Constable

Derek W. Constable 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).

  • Process for the preparation of allergenic extracts
    Patent number: 11617789
    Abstract: Disclosed herein are methods for the preparation of allergenic extracts. In one embodiment, the methods are carried out without having to adjust the pH of the extraction phase. The methods provide efficient recovery of allergenic extract from allergenic source material.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: April 4, 2023
    Assignee: Jubilant HollisterStier LLC
    Inventors: Donald A. Bischoff, Shannon E. Brown, Matthew M. Wright, Derek W. Constable
  • Spacer for allergy testing kit
    Patent number: D596758
    Type: Grant
    Filed: October 3, 2007
    Date of Patent: July 21, 2009
    Assignee: Hollister-Stier Laboratories, LLC
    Inventor: Derek W. Constable