Patents by Inventor Gunnar Thaning

Gunnar Thaning 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).

  • Refractory composition for use in metallurgical furnaces
    Patent number: 4119473
    Abstract: The present invention is concerned with a composition for metallurgical furnaces.The composition comprises one or more refractory materials and an aromatic substance in which the atomic ratio of carbon to hydrogen is approximately 0.8 or higher. That substance serves as a binder for the refractory material. The composition of the invention is characterized in that the aromatic substance presents an average molecular weight of approximately 1500 or higher and an initial boiling point of approximately 300.degree. C or higher at 760 mm Hg.
    Type: Grant
    Filed: April 26, 1977
    Date of Patent: October 10, 1978
    Assignee: Strabruken AB
    Inventors: Bert Karl Gustaf Lundgren, Gunnar Thaning