B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
B02C 17/16 (2006.01) B02C 23/18 (2006.01) C01B 21/068 (2006.01) F16K 25/00 (2006.01)
Patent
CA 2182839
Autogenous milling of silicon nitride The invention relates to a process for milling silicon nitride in which the silicon nitride is present in suspension in a liquid, wherein the milling is carried out autogenously and the silicon nitride is present in the suspension in a proportion of at least 30% by weight. The advantages of this process are essentially that the process procedure becomes simpler and cheaper and that the quality of the milled silicon nitride is improved.
Steidl Dieter
Volker Wolfgang
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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