C07C 31/1336
With a four-membered ring
Official title: {with a four-membered ring}
C07C31/1336 (With a four-membered ring) appears on 6 US grants and 0 published applications in this corpus.
Search patents in C07C- Granted patents
- 6
- Published applications
- 0
- Assignees
- 1
- Inventors
- 2
- Latest grant
- 19 Aug 1980
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- 11-(2-Hydroxyethylthio) prostenoic acid E and F series derivatives19 Aug 1980US 4,218,566 AAmerican Cyanamid Company
- 11-(2-Hydroxyethylthio)prostenoic acid E series derivatives19 Feb 1980US 4,189,597 AAmerican Cyanamid Company
- 11-(2-Hydroxyethylthio)prostenoic acid E series derivatives21 Aug 1979US 4,165,331 AAmerican Cyanamid Company
- 11-(2-Hydroxyethylthio) prostenoic acid E series derivatives15 May 1979US 4,154,954 AAmerican Cyanamid Company
- 11-(2-Hydroxyethylthio)prostenoic acid E series derivatives15 May 1979US 4,154,959 AAmerican Cyanamid Company
No published applications in this class yet.
Most cited
By later US patents
- 11-(2-Hydroxyethylthio)prostenoic acid E.sub.2 series derivatives2US 4,085,272 AAmerican Cyanamid Company · 1978
- 11-(2-Hydroxyethylthio) prostenoic acid E series derivatives1US 4,154,954 AAmerican Cyanamid Company · 1979
- 11-(2-Hydroxyethylthio)prostenoic acid E series derivatives1US 4,189,597 AAmerican Cyanamid Company · 1980