Patents by Inventor William J. Detroit

William J. Detroit 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).

  • Ozonated lignosulfonates
    Patent number: 4181652
    Abstract: Valuable new and widely useful compositions of matter are comprised of products having enhanced solubility and increased dispersant and the like surfactant activity which products are ozonated lignosulfonate derivatives beneficially including ozonated units of alkaline oxidized, hydrolyzed lignosulfonates, including sulfonated, partially desulfonated and resulfonated lignosulfonates.
    Type: Grant
    Filed: February 7, 1978
    Date of Patent: January 1, 1980
    Assignee: American Can Company
    Inventor: William J. Detroit
  • Ozonated lignosulfonates
    Patent number: 4088640
    Abstract: Valuable new and widely useful compositions of matter are comprised of products having enhanced solubility and increased dispersant and the like surfactant activity which products are ozonated (so as to be oxidized) lignosulfonate derivatives beneficially including ozonated units of alkaline oxidized, hydrolyzed, partially desulfonated lignosulfonates.
    Type: Grant
    Filed: June 18, 1976
    Date of Patent: May 9, 1978
    Assignee: American Can Company
    Inventor: William J. Detroit