C09B 62/457
Porphines
Official title: Porphines; Azaporphines
C09B62/457 (Porphines) 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
- 3
- Latest grant
- 5 Jul 1977
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents