C07C 63/313
Monocyclic acids containing more than three carboxyl groups
C07C63/313 (Monocyclic acids containing more than three carboxyl groups) appears on 8 US grants and 5 published applications in this corpus.
Search patents in C07C- Granted patents
- 8
- Published applications
- 5
- Assignees
- 3
- Inventors
- 11
- Latest grant
- 30 Apr 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 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 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Drying agent30 Apr 2013US 8,431,737 B2Chung Yuan Christian University
- Drying agent and method for forming the same27 Nov 2012US 8,318,974 B2Chung Yuan Christian University
- Salts of pyromellitic acid, and their use as epoxy resin curing agents4 Mar 1997US 5,608,016 AHuels Aktiengesellschaft
- Salts of pyromellitic acid, a process for their preparation, and their use17 Sep 1996US 5,556,937 AHuels Aktiengesellschaft
- Salts of pyromellitic acid, a process for their preparation and their use9 Apr 1996US 5,506,334 AHuels Aktiengesellschaft
- Thermoplastic copolyimides1 Feb 2018US 2018/0030206 A1
- Thermoplastic copolyimides12 Feb 2015US 2015/0045501 A1
- Drying agent14 Mar 2013US 2013/0066106 A1Chung Yuan Christian University
- Alkyl benzene tetracarboxylic dianhydride, manufacturing method thereof, polyimide, and application thereof20 Oct 2011US 2011/0257361 A1
- Drying agent and method for forming the same8 Sep 2011US 2011/0218358 A1Chung Yuan Christian University
Most cited
By later US patents
- Bis-platinum complexes as antitumor agents18US 4,565,884 AAndrulis Research Corporation · 1986
- Use of bis-platinum complexes as antitumor agents4US 4,720,504 AAndrulis Research Corporation · 1988
- Salts of pyromellitic acid, a process for their preparation and their use3US 5,494,994 AHuels Aktiengesellschaft · 1996
- Salts of pyromellitic acid, a process for their preparation and their use2US 5,506,334 AHuels Aktiengesellschaft · 1996
- Salts of pyromellitic acid, and their use as epoxy resin curing agents1US 5,608,016 AHuels Aktiengesellschaft · 1997