Patents by Inventor Sajit S. Johal

Sajit S. Johal 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).

  • Recovery of polysaccharides by employing a divalent cation with a water miscible organic solvent
    Patent number: 4960697
    Abstract: The instant invention is a process for the recovery of a polysaccharide, in particular a water-soluble glucan comprising adding a divalent cation to a solution containing the solubilized polysaccharide and then adding a water miscible organic solvent to precipitate the polysaccharide from the solution. The polysaccharide is then separated and collected.
    Type: Grant
    Filed: January 6, 1989
    Date of Patent: October 2, 1990
    Assignee: The Standard Oil Company
    Inventors: Sajit S. Johal, Howard S. Cash