C07C 49/675
Having three rings
Official title: having three rings
C07C49/675 (Having three rings) appears on 81 US grants and 32 published applications in this corpus.
Search patents in C07C- Granted patents
- 81
- Published applications
- 32
- Assignees
- 55
- Inventors
- 168
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 10 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 2 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 4 | 5 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 2 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 4 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing fluorenone10 Feb 2026US 12,545,633 B2Mitsubishi Gas Chemical Company, Inc.
- Compositions and methods of making expanded hematopoietic stem cells using derivatives of fluorene4 Oct 2022US 11,459,293 B2ImmuneBridge Inc.
- Low molecular weight modulators of the cold menthol receptor TRPM8 and use thereof29 Jun 2021US 11,044,931 B2BASF SE
- Low molecular weight modulators of the cold menthol receptor TRPM8 and use thereof3 Sep 2019US 10,398,159 B2BASF SE
- Azasteroidal mimics26 Feb 2019US 10,214,496 B2The Florida International University Board of Trustees
- Charge transfer complex4 Apr 2024US 2024/0109869 A1Adeka Corporation
- Method for producing fluorenone7 Dec 2023US 2023/0391705 A1Mitsubishi Gas Chemical Company, Inc.
- Compositions and methods of making expanded hematopoietic stem cells using derivatives of fluorene13 Apr 2023US 2023/0112489 A1ImmuneBridge Inc.
- Compositions and methods of making expanded hematopoietic stem cells using derivatives of fluorene13 Aug 2020US 2020/0255371 A1Transfusion Health LLC
- Low molecular weight modulators of the cold menthol receptor trpm8 and use thereof21 Nov 2019US 2019/0350239 A1BASF SE
Most cited
By later US patents
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Ligands for metals and improved metal-catalyzed processes based thereon83US 6,946,560 B2Massachusetts Institute of Technology · 2005
- Ligands for metals and improved metal-catalyzed processes based thereon80US 7,026,498 B2Massachusetts Institute of Technology · 2006
- Ligands for metals and improved metal-catalyzed processes based thereon80US 7,247,731 B2Massachusetts Institute of Technology · 2007
- Metallocenes having benzo-fused indenyl derivatives as ligands, processes for their preparation and their use as catalysts77US 5,455,366 AHoechst Aktiengesellschaft · 1995