Invention Application
US20150218339A1 NEPHELINE SYENITE POWDER WITH CONTROLLED PARTICLE SIZE AND NOVEL METHOD OF MAKING SAME
审中-公开
具有受控颗粒尺寸和新方法制造的NEPHELINE SYENITE POWDER
- Patent Title: NEPHELINE SYENITE POWDER WITH CONTROLLED PARTICLE SIZE AND NOVEL METHOD OF MAKING SAME
- Patent Title (中): 具有受控颗粒尺寸和新方法制造的NEPHELINE SYENITE POWDER
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Application No.: US14687845Application Date: 2015-04-15
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Publication No.: US20150218339A1Publication Date: 2015-08-06
- Inventor: Scott Van Remortel , Robert Ratcliff , Ibezim Anazia , Louis M. Schlesinger
- Applicant: UNIMIN CORPORATION
- Main IPC: C08K3/34
- IPC: C08K3/34
Abstract:
An ultra-fine nepheline syenite powder produced from a pre-processed nepheline syenite powder feedstock. The powder having a “controlled” maximum grain size D95 or D99 of less than about 20 microns and a “controlled” minimum grain size D5 in the range of 2-8 microns with a particle size spread D5-D95 of less than about 12 microns.
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