C07D 489/02
Heterocyclic compounds containing 4ah-8, 9 c- iminoethano-phenanthro [4, 5-b, c, d] furan
Official title: with oxygen atoms attached in positions 3 and 6, e.g. morphine, morphinone
C07D489/02 (Heterocyclic compounds containing 4ah-8, 9 c- iminoethano-phenanthro [4, 5-b, c, d] furan) appears on 384 US grants and 400 published applications in this corpus.
Search patents in C07D- Granted patents
- 384
- Published applications
- 400
- Assignees
- 167
- Inventors
- 608
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 1 |
| 2002 | 5 | 3 |
| 2003 | 5 | 8 |
| 2004 | 6 | 6 |
| 2005 | 6 | 10 |
| 2006 | 4 | 11 |
| 2007 | 4 | 16 |
| 2008 | 9 | 11 |
| 2009 | 5 | 21 |
| 2010 | 8 | 32 |
| 2011 | 13 | 25 |
| 2012 | 25 | 26 |
| 2013 | 29 | 23 |
| 2014 | 26 | 19 |
| 2015 | 37 | 44 |
| 2016 | 26 | 44 |
| 2017 | 25 | 26 |
| 2018 | 19 | 16 |
| 2019 | 20 | 13 |
| 2020 | 13 | 13 |
| 2021 | 8 | 6 |
| 2022 | 5 | 7 |
| 2023 | 6 | 7 |
| 2024 | 4 | 4 |
| 2025 | 1 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Long-acting injectable formulations and crystalline forms of buprenorphine derivatives13 Jan 2026US 12,522,610 B2Alar Pharmaceuticals Inc.
- Compositions and methods for the treatment of pain and dependence disorders30 Dec 2025US 12,509,469 B2Ripple Therapeutics Corporation
- Lymphatic system-directing lipid prodrugs31 Dec 2024US 12,178,875 B2Monash University
- Solid forms of Alpha-1062 gluconate3 Dec 2024US 12,157,743 B2Alpha Cognition Inc.
- Process for preparing oxycodone hydrochloride having less than 25 ppm 14-hydroxycodeinone13 Aug 2024US 12,060,361 B2Purdue Pharma L. P.
- Long-acting injectable formulations and crystalline forms of buprenorphine derivatives6 Aug 2026US 2026/0226072 A1Alar Pharmaceuticals Inc.
- Improved synthesis of buprenorphine, analogues and intermediates30 Jul 2026US 2026/0217726 A1
- Deuterated buprenorphine as a protective agent for fetal subjects against full-agonist opioid exposure25 Jun 2026US 2026/0174855 A1BioVentures, LLC
- Novel intermediate, method for preparing the same and application thereof16 Oct 2025US 2025/0320221 A1Sichuan University
- Amorphous solid forms of alpha-1062 gluconate16 Oct 2025US 2025/0320223 A1Alpha Cognition Inc.
Most cited
By later US patents
- Oxycodone hydrochloride having less than 25 ppm 14-hydroxycodeinone147US 7,683,072 B2Purdue Pharma L. P. · 2010
- Oxycodone hydrochloride having less than 25 ppm 14-hydroxycodeinone142US 7,674,799 B2Purdue Pharma L. P. · 2010
- Oxycodone hydrochloride having less than 25 PPM 14-hydroxycodeinone140US 7,674,800 B2Purdue Pharma L. P. · 2010
- Preparation of oxycodone from codeine135US 6,008,355 APenick Corporation · 1999
- Process for preparing oxycodone hydrochloride having less than 25 ppm 14-hydroxycodeinone128US 7,129,248 B2Euro-Celtique S. A. · 2006