C07J 53/005
In position 12
Official title: {in position 12}
C07J53/005 (In position 12) appears on 28 US grants and 0 published applications in this corpus.
Search patents in C07J- Granted patents
- 28
- Published applications
- 0
- Assignees
- 7
- Inventors
- 36
- Latest grant
- 20 Jun 1989
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Androst-4-ene-3,17-diones and process for their preparation20 Jun 1989US 4,840,943 AFarmitalia Carlo Ebra S.r.l.
- 1,2-beta-methylene-4-substituted androstene-3,17-dione derivatives and process for their preparation7 Mar 1989US 4,810,423 AFarmitalia Carlo Erba S r l
- 1.alpha.,2.alpha.-methylene-6-methylene- and 6.alpha.-methylpregnenes, their preparation and pharmaceutical use2 Jun 1987US 4,670,427 ASchering Corporation
- Novel 17-substituted steroids3 Mar 1987US 4,647,410 AGist-Brocades N. V.
- Process for the production of 17.alpha.-acetoxy-1.alpha.,2.alpha.-methylene-4,6-pregnadiene-3,20-dione8 Jul 1986US 4,599,200 ASchering Corporation
No published applications in this class yet.
Most cited
By later US patents
- 19-Oxygenated-5.alpha.-androstanes for the enhancement of libido91US 4,071,625 ARichardson-Merrell Inc. · 1978
- 19-Oxygenated-androst-5-enes for the enhancement of libido23US 4,139,617 ARichardson-Merrell Inc. · 1979
- 1.alpha.,2.alpha.-methylene-6-methylene- and 6.alpha.-methylpregnenes, their preparation and pharmaceutical use22US 4,670,427 ASchering Corporation · 1987
- Androst-4-ene-3,17-diones and process for their preparation12US 4,840,943 AFarmitalia Carlo Ebra S.r.l. · 1989
- Male contraceptive steroids and methods of use11US 4,297,350 AThe Upjohn Company · 1981