Patents by Inventor Hirschel A. Katz

Hirschel A. Katz 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).

  • Hydrophilic mushroom growth supplement and method of using same
    Patent number: 4990173
    Abstract: A nutrient supplement for enhancing the growth of mushrooms in a compost bed is disclosed. The supplement comprises a protein material (e.g., corn gluten meal) coated with a hydrophilic carbohydrate material.
    Type: Grant
    Filed: June 9, 1989
    Date of Patent: February 5, 1991
    Assignee: Penford Products Co.
    Inventors: Hirschel A. Katz, George W. Pratt, Duane O. Tackaberry
  • Whole cell enzyme composition containing fumed silica
    Patent number: 4304857
    Abstract: A dimensionally stable glucose isomerase composition having improved hydraulic characteristics and suitable for continuous column isomerization of glucose to fructose is produced by incorporating a low density, high surface area silica such as fumed silica into wet whole microorganism cells, and extruding and drying the cells to obtain the cells in particulate form suitable for continuous column use. This technique is also applicable to microorganism cells containing other enzymes.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: December 8, 1981
    Assignee: Penick & Ford, Limited
    Inventors: Robert E. Brouillard, Hirschel A. Katz, Howard L. Muenchow