Patents Assigned to Chemincon Incorporated
  • Patent number: 4008109
    Abstract: A shaped heat insulating article for utilisation as a foundry riser sleeve, a ingot mould hot top lining, or the like comprises a granular and or fibrous refractory material which has a high infrared and ultra-violet radiation opacity, an exothermic mixture of a fuel and an oxidizing agent, and a binder and has a density below 0.7 grams per cubic centimeter.
    Type: Grant
    Filed: July 1, 1975
    Date of Patent: February 15, 1977
    Assignee: Chemincon Incorporated
    Inventor: Gerard Norton