Patents by Inventor Charles Richard Ocheltree

Charles Richard Ocheltree 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: 6171668
    Abstract: An improved white food casing comprising regenerated cellulose containing titanium dioxide pigment in a weight ratio of less than 0.5 to regenerated cellulose in the casing and containing from about 0.3 to about 1.2 milligrams per square meter of casing of a water insoluble violet pigment. The titanium dioxide pigment and violet pigment are uniformly dispersed in the regenerated cellulose without agglomeration. The food casing usually has an optical density at least as high as a similar food casing containing fifteen percent more titanium dioxide pigment and no violet pigment. The food casing desirably contains titanium dioxide in an amount of less than 15 and preferably less than 13 grams per square meter of food casing. The invention also includes an improved method for making a white food casing comprising cellulose regenerated from viscose having titanium dioxide incorporated therein; wherein the improvement comprises uniformly dispersing titanium dioxide pigment into viscose at a ratio of less than 0.
    Type: Grant
    Filed: August 26, 1994
    Date of Patent: January 9, 2001
    Assignee: Teepak Investments, Inc.
    Inventors: Charles Richard Ocheltree, Bret Alan Trimmer