Patents by Inventor Saul Norman Katz

Saul Norman 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).

  • Membrane decaffeination
    Patent number: 4113886
    Abstract: Aqueous vegetable extracts such as extracts of tea or green or roasted coffee are decaffeinated by permitting caffeine to diffuse through at least one porous, hydrophilic membrane and a water-immiscible solvent phase and into a water phase. The solvent may be either internal to a single membrane or positioned between two spaced-apart membranes.
    Type: Grant
    Filed: September 28, 1977
    Date of Patent: September 12, 1978
    Assignee: General Foods Corporation
    Inventor: Saul Norman Katz
  • Coffee percolation process
    Patent number: 4048345
    Abstract: A percolation process is described wherein it is possible to operate a fixed-capacity percolator set at decreased capacity without experiencing operational difficulties or coffee extract quality loss. The extraction columns of the percolator set are filled with the amount of roasted and ground coffee desired to be extracted and the remainder of the column is filled with an inert packing material.
    Type: Grant
    Filed: February 2, 1976
    Date of Patent: September 13, 1977
    Assignee: General Foods Corporation
    Inventor: Saul Norman Katz
  • Grinder gas fixation
    Patent number: 3939291
    Abstract: Coffee grinder gas is fixed in a glyceride at relatively high levels by contacting condensed grinder gas frost and the glyceride in a pressure vessel at a temperature which is above the critical temperature of liquid carbon dioxide. The pressure vessel is then slowly vented in order to prevent a drop in temperature to below the critical level.
    Type: Grant
    Filed: May 20, 1974
    Date of Patent: February 17, 1976
    Assignee: General Foods Corporation
    Inventor: Saul Norman Katz