Patents by Inventor Vincent A. De Stefanis

Vincent A. De Stefanis 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).

  • Stable oxidant alpha-amylase concentrates for use in baking
    Patent number: 4642237
    Abstract: Storage stable oxidant-amylase pre-mix or additive formulations, when added to wheat floor, dough or bakery mixes, produce improved bakery products having fine grain and good cell structure and volume.
    Type: Grant
    Filed: April 24, 1985
    Date of Patent: February 10, 1987
    Assignee: Pennwalt Corporation
    Inventors: Vincent A. De Stefanis, Robert W. Erickson, Peter M. Ranum
  • Modified enzyme system to inhibit bread firming method for preparing same and use of same in bread and other bakery products
    Patent number: 4299848
    Abstract: A method to inactivate the proteolytic enzyme(s) contained in commercial heat stable bacterial alpha-amylase under conditions which retain full alpha-amylase activity. Use of thus purified alpha-amylase enzyme plus surfactants that are approved for use in bread to inhibit firming and improve the keeping quality of bread and other bakery products.
    Type: Grant
    Filed: June 8, 1979
    Date of Patent: November 10, 1981
    Assignee: International Telephone and Telegraph Corporation
    Inventors: Vincent A. De Stefanis, Earl W. Turner