Patents by Inventor George Henry Fairchild

George Henry Fairchild 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).

  • Method of producing synthetic silicates and use thereof in glass production
    Patent number: 6287378
    Abstract: A method is disclosed of producing a synthetic silicate. The method is advantageous in providing material useful in glass making. Such method involves the reaction of calcium oxides and magnesium oxides, water and sodium silicates. The glass formation is performed at a lower temperature than usual and performed with a lower amount of volatile gas release. Less cristobalite formation in the glass occurs. The synthetic silicate produced can be a cylindrical pellet.
    Type: Grant
    Filed: December 31, 1997
    Date of Patent: September 11, 2001
    Assignee: Minerals Technologies, Inc.
    Inventors: George Henry Fairchild, John Albert Hockman
  • Method of producing synthetic silicates and use thereof in glass production
    Patent number: 6287997
    Abstract: A method is disclosed of producing a synthetic silicate. The method is advantageous in providing material useful in glass making. Such method involves the reaction of calcium oxides and magnesium oxides, water and sodium silicates. The glass formation is performed at a lower temperature than usual and performed with a lower amount of volatile gas release. Less cristobalite formation in the glass occurs. The synthetic silicate produced can be a cylindrical pellet.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: September 11, 2001
    Assignee: Minerals Technologies Inc.
    Inventors: George Henry Fairchild, John Albert Hockman
  • Method of producing synthetic silicates and use thereof in glass production
    Patent number: 6271159
    Abstract: A method is disclosed of producing a synthetic silicate. The method is advantageous in providing material useful in glass making. Such method involves the reaction of calcium oxides and magnesium oxides, water and sodium silicates. The glass formation is performed at a lower temperature than usual and performed with a lower amount of volatile gas release. Less cristobalite formation in the glass occurs. The synthetic silicate produced can be a cylindrical pellet.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: August 7, 2001
    Assignee: Minerals Technologies Inc.
    Inventors: George Henry Fairchild, John Albert Hockman
  • Acicular calcite and aragonite calcium carbonate
    Patent number: 6071336
    Abstract: The present invention relates to a calcium carbonate composition having both calcite and aragonite crystalline morphology. More particularly, the present invention relates to an acicular calcite and an acicular aragonite product and a method for the production of the same and the use of such as fillers, additives and modifiers of consumer and commercial products such as toothpaste, paper, plastics and sealants. The acicular calcite/aragonite composition of the present invention provides a balance of properties such as sheet bulk, strength, stiffness, and sizing, when employed as a filler for paper. As a coating pigment, the acicular calcite/aragonite product of the present invention provides gloss characteristics suitable for dull and matte grades of low gloss coated paper. Upon further processing such as milling, grinding, or other means of comminution, the resulting product provides gloss characteristics suitable for high gloss coated paper.
    Type: Grant
    Filed: September 5, 1996
    Date of Patent: June 6, 2000
    Assignee: Minerals Technologies Inc.
    Inventors: George Henry Fairchild, Richard Louis Thatcher
  • Acicular calcite and aragonite calcium carbonate
    Patent number: 6022517
    Abstract: The present invention relates to a calcium carbonate composition having both calcite and aragonite crystalline morphology. More particularly, the present invention relates to an acicular calcite and an acicular aragonite product and a method for the production of the same and the use of such as fillers, additives and modifiers of consumer and commercial products such as toothpaste, paper, plastics and sealants.The acicular calcite/aragonite composition of the present invention provides a balance of properties such as sheet bulk, strength, stiffness, and sizing, when employed as a filler for paper. As a coating pigment, the acicular calcite/aragonite product of the present invention provides gloss characteristics suitable for dull and matte grades of low gloss coated paper. Upon further processing such as milling, grinding, or other means of comminution, the resulting product provides gloss characteristics suitable for high gloss coated paper.
    Type: Grant
    Filed: September 5, 1996
    Date of Patent: February 8, 2000
    Assignee: Minerals Technologies Inc.
    Inventors: George Henry Fairchild, Richard Louis Thatcher