Patents Assigned to General Refractories Co.
  • Resinous petroleum residue refractory binders
    Patent number: 4375518
    Abstract: A non-aqueous, thermoplastic refractory binder comprising a resinous petroleum residue having a softening point ranging from 100.degree. F. to 150.degree. F. (38.degree.-65.degree. C.), being less than 2% insoluble in benzene, and preferably having a fixed carbon content of between 30 and 40%, and refractories made therewith.
    Type: Grant
    Filed: March 27, 1981
    Date of Patent: March 1, 1983
    Assignee: General Refractories Co.
    Inventors: Francis W. Henry, Jr., Merrill Wood, Jr.