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Canadian Patents

Si.sub.3n.sub.4.y.sub.2o in3. xxsio.sub.2 ceramic system...

C - Chemistry – Metallurgy – 04 – B

Patent

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Bloory idea and bloory practical use

Very broad patent, without practical use

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Patented to preserve knowledge

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Manufacturing base and used to stop/slow down rivals

Serves only patent trolls

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