Patents Assigned to Texaco Services (Europe) Ltd.
  • Corrosion-inhibited antifreeze formulations having monocarboxylic, triazole, and imidazole compounds
    Patent number: 5366651
    Abstract: Antifreeze concentrate is disclosed having water soluble liquid alcohol freezing point depressant and corrosion inhibitor comprising carboxylic acids or their salts and a triazole compound, wherein the concentrate contains: (1) C.sub.5 -C.sub.16 aliphatic monobasic acid or the alkali metal, ammonium or amine salt thereof; (2) hydrocarbyl triazole; and (3) imidazole.
    Type: Grant
    Filed: March 26, 1993
    Date of Patent: November 22, 1994
    Assignee: Texaco Services (Europe) Ltd.
    Inventors: Jean-Pierre Maes, Walter A. van Neste