American Talc Company
American Talc Company Patent applications | ||
Patent application number | Title | Published |
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20140314643 | Methods and Systems for Controlled Conversion of Minerals to Pigmenting Elements - 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. | 10-23-2014 |