Amorphous submicron particles

Details Amorphous submicron particles Amorphous submicron particles

2010-07-21

2011-10-18

Kiliman, Leszek (Department: 1788)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

C428S331000, C423S335000, C423S339000

Reexamination Certificate

active

08039105

ABSTRACT:
A process for milling amorphous solids using a milling apparatus can result in particles having a median particle diameter d50of <1.5 μm. The process includes: operating a mill in a milling phase with an operating medium selected from the group consisting of gas, vapor, steam, a gas containing steam and mixtures thereof, and heating a milling chamber in a heat-up phase before the actual operation with the operating medium in such a way that a temperature in the milling chamber, the mill exit or both, is higher than a dew point of the operating medium.

REFERENCES:
patent: 2856268 (1958-10-01), Young
patent: 3367742 (1968-02-01), Teicher et al.
patent: 7767180 (2010-08-01), Panz et al.
patent: 0 139 279 (1985-05-01), None
patent: 1 419 823 (2004-05-01), None

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