C09B 47/28
Phthalocyanine dyes containing —s—so3h radicals
Official title: Phthalocyanine dyes containing —S—SO3H radicals
C09B47/28 (Phthalocyanine dyes containing —s—so3h radicals) appears on 0 US grants and 2 published applications in this corpus.
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| Year | Granted patents | Published applications |
|---|---|---|
| 2020 | 0 | 1 |
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