Patents by Inventor Cynthia E. Davis

Cynthia E. Davis 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).

  • Masking agent for paint spray booths
    Patent number: 4548967
    Abstract: A paint spray booth masking composition comprising:______________________________________ Ingredients % by weight ______________________________________ Water 30-50 Polyvinylpyrrolidone 2-30 Saccharide 16-60 Water-soluble surfactant 0.07-0.13 Preservative 0.05-0.
    Type: Grant
    Filed: June 15, 1984
    Date of Patent: October 22, 1985
    Assignee: Nalco Chemical Company
    Inventors: William B. Brown, Cynthia E. Davis