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US Patents

Method of preparing 1,6-di(N.sup.3 -cyano-N.sup.1 -guanidino) he

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

Patent

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How useful is this invention? - Does humanity need patent for this invention?

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Copied from somewhere

Already used for thousands of years

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It might

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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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