Patents by Inventor Norman C. Brinkman

Norman C. Brinkman 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).

  • Preparation of cupric hydroxide compositions
    Patent number: 4808406
    Abstract: A method for producing finely divided stable cupric hydroxide composition of low bulk density comprising contacting solutions of an alkali metal carbonate or bicarbonate and a copper salt, precipitating a basic copper carbonate--basic copper sulfate to a minimum pH in the range of greater than 5 to about 6, contacting the precipitate with an alkali metal hydroxide and converting basic copper sulfate to cupric hydroxide, within the pH range of 7 to 11.
    Type: Grant
    Filed: August 28, 1986
    Date of Patent: February 28, 1989
    Assignee: Kocide Chemical Corporation
    Inventor: Norman C. Brinkman