Patents by Inventor Frederick David Petke

Frederick David Petke 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).

  • System, method and computer program products for determining compliance of chemical products to government regulations
    Patent number: 6163732
    Abstract: Systems, methods and computer program products determine compliance of a chemical product to be manufactured to government regulations that govern the manufactured product. According to the invention, the chemical compositions that are present in the chemical product to be manufactured are ascertained. The chemical compositions so ascertained are compared to a stored set of government regulatory standards related to the chemical compositions to determine compliance. Accordingly, compliance with complex government regulations governing chemical products can be determined.
    Type: Grant
    Filed: December 11, 1997
    Date of Patent: December 19, 2000
    Assignee: Eastman Chemical Company
    Inventors: Frederick David Petke, D. Russell Hickman, William D. Graham, Jr.
  • Polyesters containing a critical range of 1,4-cyclohexanedicarboxylic acid
    Patent number: 4075180
    Abstract: Disclosed are polyesters composed of 1,4-cyclohexanedicarboxylic acid, terephthalic acid and 1,4-butanediol, wherein the 1,4-cyclohexanedicarboxylic acid is within a critical range of about 25 to about 58 mole percent. These polyesters exhibit desirable adhesive properties.
    Type: Grant
    Filed: December 9, 1976
    Date of Patent: February 21, 1978
    Assignee: Eastman Kodak Company
    Inventors: Burns Davis, Frederick David Petke