Patents by Inventor Harris J. Korklan

Harris J. Korklan 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).

  • Conditioned colloidal silica post impregnant to prevent binder migration in the production of insulation articles comprising randomly oriented refractory fibers
    Patent number: 4332852
    Abstract: An inorganic refractory insulation article comprising randomly oriented refractory fibers retained by dried colloidal silica uniformly distributed throughout the article and containing from about 0.001 to about 1.5 percent by weight of the article of aluminum chlorhydrate. The invention further comprises the process for making the article by forming a fiber mat from a fiber slurry, impregnating the mat with a conditioned colloidal silica composition comprising colloidal silica, acid, aluminum chlorhydrate and water and drying the mat to form the article.
    Type: Grant
    Filed: December 3, 1979
    Date of Patent: June 1, 1982
    Assignee: Kennecott Corporation
    Inventors: Harris J. Korklan, John K. Greany
  • Conditioned colloidal silica post impregnant to prevent binder migration
    Patent number: 4204907
    Abstract: The invention comprises the process for making an inorganic refractory insulation article by forming a fiber mat from a fiber slurry, impregnating the mat with a conditioned colloidal silica composition comprising colloidal silica, acid, aluminum chlorhydrate and water and drying the mat to form the article. The invention further comprises an inorganic refractory insulation article comprising randomly oriented refractory fibers retained by dried colloidal silica uniformly distributed throughout the article and from about 0.001 to about 1.5 weight percent of aluminum chlorhydrate which article is manufactured in accordance with the process.
    Type: Grant
    Filed: March 29, 1978
    Date of Patent: May 27, 1980
    Assignee: The Carborundum Company
    Inventors: Harris J. Korklan, John K. Greany