Patents by Inventor Ingmar P. Quist

Ingmar P. Quist has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Foundry molding compositions and process
    Patent number: 4426467
    Abstract: A foundry molding composition comprising,(a) a granular refractory material;(b) about 0.8 to 5.0% of an alkaline phenolic resin based on the weight of the refractory material;(c) about 25 to 110% of a lactone based on the weight of the phenolic resin.
    Type: Grant
    Filed: January 12, 1981
    Date of Patent: January 17, 1984
    Assignee: Borden (UK) Limited
    Inventors: Ingmar P. Quist, Jeffrey D. Railton, Peter H. R. B. Lemon