C07D 463/04
By forming the ring or condensed ring systems
Official title: by forming the ring or condensed ring systems
C07D463/04 (By forming the ring or condensed ring systems) appears on 15 US grants and 0 published applications in this corpus.
Search patents in C07D- Granted patents
- 15
- Published applications
- 0
- Assignees
- 6
- Inventors
- 19
- Latest grant
- 1 Sep 1998
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for making quinolonyl lactam antimicrobials and novel intermediate compounds1 Sep 1998US 5,801,242 AThe Procter & Gamble Company
- Azetidinone intermediates to carbacephalosporins and process8 Jul 1997US 5,646,275 AEli Lilly and Company
- Azetidinone intermediates to carbacephalosporins and process10 Jun 1997US 5,637,692 AEli Lilly and Company
- Beta lactam production4 Mar 1997US 5,608,055 ABiochemie Gesellschaft m.b.H.
- Azetidinone intermediates to carbacephalosporins and process26 Sep 1995US 5,453,503 AEli Lilly and Company
No published applications in this class yet.
Most cited
By later US patents
- .beta.-lactam antibiotics6US 5,142,039 AEli Lilly and Company · 1992
- Process for preparing 7-(1-hydroxyethyl)-3-(2-aminoethylthio)-1-carbadethiaceph-3-em-3-carboxy lic acid and intermediate therefor4US 4,275,207 AMerck & Co., Inc. · 1981
- Process for the preparation of 3-substituted-2-azetidinones3US 5,250,676 AUniversity of Notre Dame du Lac · 1993
- Azetidinone intermediates to carbacephalosporins and process3US 5,453,503 AEli Lilly and Company · 1995
- Azetidinone intermediates to carbacephalosporins and process3US 5,646,275 AEli Lilly and Company · 1997