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US Patents

[1, 2, 4] Triazolo [1, 5-A] pyrimidine derivatives as...

Catalyst – solid sorbent – or support therefor: product or process – Solid sorbent – Organic

Reexamination Certificate

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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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