Patents by Inventor Luc A. Dohan

Luc A. Dohan 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 hydrolyzing lactose with immobilized lactose
    Patent number: 4409247
    Abstract: Lactose in whey is hydrolyzed with an immobilized lactase by a process which involves heating the whey to a temperature of from about 45.degree. to about 90.degree. C. for at least about 15 seconds, centrifuging the heated whey while it is still warm, contacting the centrifuged whey with an immobilized lactase, cleaning the immobilized lactase, and disinfecting the immobilized lactase. Preferably, lactase is immobilized on an inorganic support, and cleaning and disinfecting are carried out respectively by contacting the immobilized lactase with a solution of protease and with a solution of substituted diethylenetriamine.
    Type: Grant
    Filed: June 3, 1981
    Date of Patent: October 11, 1983
    Assignee: Corning Glass Works
    Inventors: Jean-Luc A. G. Baret, Luc A. Dohan