Patents by Inventor Estelle V. Lifran

Estelle V. Lifran 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).

  • Method for Purification of Lactose
    Publication number: 20110034685
    Abstract: The present invention relates to improved methods of purification of sugars and in particular to a method of preparing lactose. A low purity lactose source such as whey is subjected to a first demineralization step involving either ion-exchange or the addition of divalent metal cations, followed by a second demineralization step where alcohol is added. The invention also relates to lactose produced by this method and products comprising lactose produced by this method.
    Type: Application
    Filed: July 12, 2010
    Publication date: February 10, 2011
    Inventors: Estelle V. Lifran, Robert W. Sleigh, Robert L. Johnson, Robert J. Steele, James A. Hourigan, Sean M. Dalziel
  • Method for purification of lactose
    Patent number: 7754876
    Abstract: The present invention relates to improved methods of purification of sugars and in particular to a method of preparing lactose. A low purity lactose source such as whey is subjected to a first demineralization step involving either ion-exchange or the addition of divalent metal cations, followed by a second demineralization step where alcohol is added. The invention also relates to lactose produced by this method and products comprising lactose produced by this method.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: July 13, 2010
    Assignee: Dairy Australia Limited
    Inventors: Estelle V. Lifran, Robert W. Sleigh, Robert L. Johnson, Robert J. Steele, James A. Hourigan, Sean M. Dalziel
  • Method for purification of lactose
    Publication number: 20040132989
    Abstract: The present invention relates to improved methods of purification of sugars and in particular to a method of preparing lactose. A low purity lactose source such as whey is subjected to a first demineralisation step involving either ion-exchange or the addition of divalent metal cations, followed by a second demineralisation step where alcohol is added. The invention also relates to lactose produced by this method and produts comprising lactose produced by this method.
    Type: Application
    Filed: February 6, 2004
    Publication date: July 8, 2004
    Inventors: Estelle V. Lifran, Robert W. Sleigh, Robert L. Johnson, Robert J. Steele, James A. Hourigan, Sean M. Dalziel