Patents by Inventor Frederick W. Parrish

Frederick W. Parrish 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 converting alpha to beta-lactose
    Patent number: 4799966
    Abstract: Treatment of alpha-lactose with certain alcohols (C.sub.1 -C.sub.5) at temperature of from about 120.degree. C. to about 160.degree. C. and pressures of from about 500 to 200 psi for sufficient time will result in complete transformation of all forms of alpha-lactose to beta-lactose. This beta-lactose has a high solubility in water where alpha-lactose has low solubility.
    Type: Grant
    Filed: June 18, 1987
    Date of Patent: January 24, 1989
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Frederick W. Parrish, Samuel Serota