B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
B02C 23/12 (2006.01)
Patent
CA 2691830
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.
L'invention concerne une poudre de syénite néphélinique ultrafine produite à partir d'un intermédiaire de poudre de syénite néphélinique prétraitée. La poudre ayant une taille de grain maximum "régulée" à D95 ou D99 de moins de 20 microns, environ, et une taille de grain minimum "régulée" à D5 dans la plage de 2 à 8 microns avec une dispersion de taille de particules de D5-D95 de moins de 12 microns, environ.
Anazia Ibezim
Ratcliff Robert
Schlesinger Louis M.
Van Remortel Scott
Gowling Lafleur Henderson Llp
Unimin Corporation
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