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US Patents

1:2 metal complexes of a disazo compound having a 5-hydroxy-1-(a

Organic compounds -- part of the class 532-570 series – Organic compounds – Azo

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

Defensive patent

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Manufacturing base and used to stop/slow down rivals

Serves only patent trolls

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