Patents Represented by Attorney Sam Walker
  • Patent number: 4481226
    Abstract: The storage and light stability of an anthocyanin food colorant obtained by extraction from grape pomace is enhanced by combination with tannic acid.
    Type: Grant
    Filed: March 31, 1982
    Date of Patent: November 6, 1984
    Assignee: General Foods Corporation
    Inventors: Wayne H. Crosby, Charles V. Fulger, Gerhard J. Haas, Donna M. Nesheiwat