Patents Assigned to American Talc Company
  • Controlled conversion of minerals to pigmenting elements systems and methods
    Patent number: 9550905
    Abstract: The present invention may provide talc calciner systems and methods to produce better and more efficient products by engineering a* and b* values for calcinated products perhaps by processing low iron talc in an indirectly heated, multiple zoned calciner which may progressively heat the feed supply at perhaps specifics residence times to produce a desired product.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: January 24, 2017
    Assignee: American Talc Company
    Inventor: James A. Herickhoff
  • Methods and systems for controlled conversion of minerals to pigmenting elements
    Patent number: 9371237
    Abstract: The present invention may provide talc calciner systems and methods to produce better and more efficient products by engineering a* and b* values for calcinated products perhaps by processing low iron talc in an indirectly heated, multiple zoned calciner which may progressively heat the feed supply at perhaps specifics residence times to produce a desired product.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: June 21, 2016
    Assignee: American Talc Company
    Inventor: James A. Herickhoff
  • Methods and Systems for Controlled Conversion of Minerals to Pigmenting Elements
    Publication number: 20140314643
    Abstract: The present invention may provide talc calciner systems and methods to produce better and more efficient products by engineering a* and b* values for calcinated products perhaps by processing low iron talc in an indirectly heated, multiple zoned calciner which may progressively heat the feed supply at perhaps specifics residence times to produce a desired product.
    Type: Application
    Filed: April 22, 2014
    Publication date: October 23, 2014
    Applicant: American Talc Company
    Inventor: James A. Herickhoff