Patents by Inventor John J. Kozak

John J. Kozak 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).

  • Process for preparation of arsenic acid
    Patent number: 4769230
    Abstract: Arsenic acid is formed from arsenous acid and water under oxygen pressure with catalytic amounts of nitric acid and a halide whereby the nitric oxide by-product is regenerated to nitric acid for contact with fresh arsenous acid.
    Type: Grant
    Filed: August 2, 1982
    Date of Patent: September 6, 1988
    Assignee: Koppers Company, Inc.
    Inventors: Nicholas P. Greco, Byung K. Ahn, John J. Kozak