Patents
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C09 - Dyes; Paints; Polishes; Natural resins; Adhesives; Compositions not otherwise provided for; Applications of materials not otherwise provided for
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C09B - Organic dyes or closely-related compounds for producing dyes; Mordants; Lakes
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C09B 53 - Quinone imides
Patents for C09B 53 - Quinone imides (603)
06/1976
06/29/1976
US3966722
Indamines for dyeing keratinous fibers
06/15/1976
US3963764
Dyeing keratinous fibers
06/01/1976
US3960476
Oxidation base
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