C09B 68/441

Sulfonic acid derivatives

Official title: {Sulfonic acid derivatives, e.g. sulfonic acid amides or sulfonic acid esters}

C09B68/441 (Sulfonic acid derivatives) appears on 16 US grants and 21 published applications in this corpus.

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Granted patents
16
Published applications
21
Assignees
14
Inventors
64
Latest grant
19 Jul 2022

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C09B 68/441: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
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202001
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202210

By publication year. Applications have been published since 2001.

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