C09B 44/123
In a five-membered ring
Official title: {in a five-membered ring, e.g. pyrrolium, indolium}
C09B44/123 (In a five-membered ring) appears on 1 US grants and 0 published applications in this corpus.
Search patents in C09B- Granted patents
- 1
- Published applications
- 0
- Assignees
- 1
- Inventors
- 1
- Latest grant
- 17 Aug 1976
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| Year | Granted patents | Published applications |
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| 1976 | 1 | 0 |
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