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US Patents

Production of Si.sub.2-x P.sub.x N.sub.2+x (NH).sub.1-x, where x

Chemistry of inorganic compounds – Phosphorus or compound thereof – Nitrogen containing

Patent

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Already used for thousands of years

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Bloory idea and bloory practical use

Very broad patent, without practical use

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Patented to preserve knowledge

Defensive patent

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Manufacturing base and used to stop/slow down rivals

Serves only patent trolls

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