Patents by Inventor Quincy E. Crider

Quincy E. Crider 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).

  • Rapid, accurate method of separation of oxalate from urine and other biological fluids
    Patent number: 4539118
    Abstract: A novel technique has been discovered for separating oxalate from urine and other biological fluids. The method involves mixing the fluid with an adsorbent to separate the oxalate from the fluids, washing the adsorbent-oxalate complex, and releasing the oxalate by reacting the complex with alkali. This technique provides accurate results and can easily be run in hospitals and clinical laboratories.
    Type: Grant
    Filed: March 23, 1984
    Date of Patent: September 3, 1985
    Assignee: Sigma Chemical Company
    Inventor: Quincy E. Crider