Patents by Inventor Peter C. Hamblin

Peter C. Hamblin 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).

  • Patent number: 4683071
    Abstract: Mixtures of the compounds of the formulae I and II ##STR1## are metal passivators for functional fluids, such as hydraulic fluids and metal-working fluids in the form of aqueous polyglycol/polyglycol ether mixtures, glycol systems, oil-in-water and water-in-oil emulsions, as well as anti-freeze compositions based on glycol.A process for producing mixtures of the said type is also described.
    Type: Grant
    Filed: October 18, 1985
    Date of Patent: July 28, 1987
    Inventors: Franz Regenass, Peter C. Hamblin