C09B 47/22

Obtaining compounds having nitrogen atoms directly bound to the phthalocyanine skeleton

C09B47/22 (Obtaining compounds having nitrogen atoms directly bound to the phthalocyanine skeleton) appears on 29 US grants and 16 published applications in this corpus.

Search patents in C09B
Granted patents
29
Published applications
16
Assignees
21
Inventors
74
Latest grant
8 Apr 2014

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C09B 47/22: granted patents and published applications per publication year
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198610
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198920
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199220
199320
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200611
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201112
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202002
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