C09B 13/02

Oxyketone dyes: of the naphthalene series

Official title: of the naphthalene series, e.g. naphthazarin

C09B13/02 (Oxyketone dyes: of the naphthalene series) appears on 16 US grants and 12 published applications in this corpus.

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Granted patents
16
Published applications
12
Assignees
8
Inventors
27
Latest grant
8 Oct 2024

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C09B 13/02: granted patents and published applications per publication year
YearGranted patentsPublished applications
198410
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199210
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201712
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202111
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202501

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