Class B22C : FOUNDRY MOULDING
Subclass 1/06: Compositions of refractory mould or core materials; Grain structures thereof (refractory materials in general C04B 35/00); Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for protection of the casting, e.g. against decarbonisation for casting extremely oxidisable metals
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 9845270 | Castable refractory material | Mar 27, 15 | Dec 19, 17 | PYROTEK ENGINEERING MATERIALS LIMITED |
| 8025094 | Yttria-based refractory composition | May 15, 08 | Sep 27, 11 | TREIBACHER INDUSTRIE AG |
| 5407001 | Yttria-zirconia slurries and mold facecoats for casting reactive metals | Jul 08, 93 | Apr 18, 95 | Precision Castparts Corporation |
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