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US 11,639,441 B2Granted
Inorganic particulate material suitable for use in polymeric films
AssigneeImerTech SAS
InventorsDavid James Whiteman, Craig Deporter, Sabine Gomila
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Abstract
The present invention relates to an inorganic particulate material suitable for use in polymeric films, compositions such as polymeric films comprising the inorganic particulate materials, methods of making said compositions and the various uses of the inorganic particulate materials and compositions.
Claims19
An inorganic particulate material comprising:
- equal to or more than about 3 ppm of particles having a particle size equal to or greater than about 25 μm,
- equal to or less than about 40 wt % of particles smaller than about 0.75 μm,
- having a d98 less than about 11 μm, and
- wherein the % of particles smaller than 0.5 μm is equal to or less than about 25 wt %.
1 more element
Dependencies are inferred from the claim text.