Patents Assigned to Lubeco, Inc.
  • Mold release composition
    Patent number: 4071368
    Abstract: A composition particularly effective as a high temperature lubricant for molds used in glass-forming operations and effective at high temperatures of the order of about 1,000.degree. F, comprising a mixture of graphite and a high melting inorganic oxide or salt, preferably potassium titanate, and an inorganic binder e.g. a slurry of magnesium oxide in a mixture of phosphoric acid and chromic acid. The mold lubricant composition also preferably contains a wetting agent, e.g. butyl Cellosolve (ethylene glycol monobutyl ether).
    Type: Grant
    Filed: July 12, 1976
    Date of Patent: January 31, 1978
    Assignee: Lubeco, Inc.
    Inventor: John R. Jones