Patents by Inventor Maruta Grasis

Maruta Grasis 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).

  • Patent number: 5049397
    Abstract: The invention relates to a mineral salt-free total protein degradation product whose production and use is as a meat flavor precursor and protein source especially in animal feed. By mineral acid hydrolysis, a protein material, preferably from keratin, is obtained with subsequent electrolytic neutralization and reduction.
    Type: Grant
    Filed: December 14, 1988
    Date of Patent: September 17, 1991
    Assignee: Diamalt Aktiengesellschaft
    Inventors: Winfried Kolbeck, Heinz Pyttlik, Maruta Grasis