C07C 55/30
Containing condensed ring systems
Official title: containing condensed ring systems
C07C55/30 (Containing condensed ring systems) appears on 8 US grants and 2 published applications in this corpus.
Search patents in C07C- Granted patents
- 8
- Published applications
- 2
- Assignees
- 8
- Inventors
- 19
- Latest grant
- 5 Nov 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 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 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- MGlu 2/3 agonists5 Nov 2013US 8,575,214 B2Eli Lilly and Company
- Bicyclo[4.3.0]nonane-3(4),7(8)-dicarboxylic acid and a process for its preparation15 Apr 2008US 7,358,385 B2Oxea Deutschland GmbH
- Processes for preparing optically active (S)-α-aryl propionic acid or ester therof13 Mar 2001US 6,201,151 B1National Science Council of Republic of China
- Ultraviolet radiation absorbing naphthalenylidene compositions26 Dec 1989US 4,889,947 AICI Americas Inc.
- Novel amino acid derivatives20 Jun 1989US 4,841,067 AKissei Pharmaceutical Co., Ltd.
Most cited
By later US patents
- Method for lowering sorbitol levels using spiro-imides18US 4,307,108 APfizer Inc. · 1981
- Novel amino acid derivatives5US 4,841,067 AKissei Pharmaceutical Co., Ltd. · 1989
- Imide derivatives4US 4,442,114 APfizer Inc. · 1984
- Spiro-imide derivatives3US 4,471,124 APfizer Inc. · 1984
- Processes for preparing optically active (S)-α-aryl propionic acid or ester therof2US 6,201,151 B1National Science Council of Republic of China · 2001