Patents Assigned to Delta Resins & Refractories
  • Patent number: 4615372
    Abstract: The addition of the metal drier to the phenolic urethane binder enhances the breakdown of the binder when the system is subjected to the elevated temperatures caused by pouring the molten metal into the mold and enhances the subsequent shake out of the sand from the cores and molds.
    Type: Grant
    Filed: June 24, 1985
    Date of Patent: October 7, 1986
    Assignee: Delta Resins & Refractories
    Inventors: Jordan J. Kopac, Arek Khachaturian
  • Patent number: 4568728
    Abstract: A foundry binder for preparing shaped foundry products, said binder having improved breakdown, which binder comprises:(a) a resin component organic resin alkyd resins, furan resins, shell phenolic resins or acid setting phenolic resin and(b) a catalystic amount of a metal drier.
    Type: Grant
    Filed: July 16, 1984
    Date of Patent: February 4, 1986
    Assignee: Delta Resins & Refractories
    Inventors: Jordan J. Kopac, Arek Khachaturian