Patents by Inventor D. Bruce Bishkin

D. Bruce Bishkin 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).

  • Crystal washing and purification method
    Patent number: 4453959
    Abstract: A method for separating and purifying a crystallized component from a two-phase slurry of a crystallized component in a liquified multi-component mixture, the method including a purification column capable of withdrawing the crystallized component from the slurry having multi-component mixture therewith, and passing a heated inert gas through the purification column in a direction countercurrent to the withdrawal of the crystallized component to result in a purified residue of crystallized component.
    Type: Grant
    Filed: February 25, 1982
    Date of Patent: June 12, 1984
    Inventor: D. Bruce Bishkin