C07D 499/32
Esters
C07D499/32 (Esters) appears on 3 US grants and 3 published applications in this corpus.
Search patents in C07D- Granted patents
- 3
- Published applications
- 3
- Assignees
- 2
- Inventors
- 11
- Latest grant
- 18 Dec 1984
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Bis-esters of methanediol with penicillins and penicillanic acid 1,1-dioxide18 Dec 1984US 4,488,994 APfizer Inc.
- 2.beta.-Chloromethyl-2.alpha.-methylpenam-3.alpha.-carboxylic acid sulfone methylene diol mixed esters24 Apr 1984US 4,444,687 ABristol-Myers Company
- Bis-esters of methanediol with penicillins and penicillanic acid 1,1-dioxide21 Feb 1984US 4,432,903 APfizer Inc.
Most cited
By later US patents