Agyrol is synonymous with its chemical mild silver protein, manufactured in the chemical industry to pharmaceutical grade only, using denatured pharmaceutical-grade protein for ophthalmic application and elemental silver to produce the silver protein molecule.
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Argyrol was manufactured by A.C. Barnes Company until the firm was acquired by Zonite Products Corporation in 1929.
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With the enormous profits from the sale of the drug for a wide range of indications in human and veterinary medicine, Barnes accumulated a large collection of art, mainly French Impressionist works, which today form the holdings of the Barnes Foundation, an educational art institution established by his will.