C07D 489/00
Heterocyclic compounds containing 4ah-8, 9 c- iminoethano-phenanthro [4, 5-b, c, d] furan
Official title: Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula: [IMAGE cpc-sch-C07D-0991.gif]
C07D489/00 (Heterocyclic compounds containing 4ah-8, 9 c- iminoethano-phenanthro [4, 5-b, c, d] furan) appears on 711 US grants and 750 published applications in this corpus.
Search patents in C07D- Granted patents
- 711
- Published applications
- 750
- Assignees
- 257
- Inventors
- 1,051
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 9 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 13 | 0 |
| 2000 | 11 | 0 |
| 2001 | 18 | 3 |
| 2002 | 9 | 5 |
| 2003 | 7 | 8 |
| 2004 | 6 | 13 |
| 2005 | 7 | 19 |
| 2006 | 8 | 17 |
| 2007 | 9 | 22 |
| 2008 | 10 | 26 |
| 2009 | 11 | 45 |
| 2010 | 17 | 60 |
| 2011 | 27 | 42 |
| 2012 | 47 | 43 |
| 2013 | 55 | 35 |
| 2014 | 45 | 44 |
| 2015 | 65 | 73 |
| 2016 | 43 | 70 |
| 2017 | 43 | 49 |
| 2018 | 40 | 39 |
| 2019 | 38 | 36 |
| 2020 | 28 | 27 |
| 2021 | 20 | 18 |
| 2022 | 12 | 11 |
| 2023 | 10 | 17 |
| 2024 | 6 | 8 |
| 2025 | 3 | 12 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Processes for preparing morphinan-6-one products with low levels of α, β-unsaturated ketone compounds30 Jun 2026US 12,667,564 B2SpecGX LLC
- Process for crystallizing nalmefene hydrochloride30 Jun 2026US 12,668,596 B2Rhodes Technologies
- Opioid receptor antagonists2 Jun 2026US 12,643,907 B2University of Southern California
- Process for the synthesis of noroxymorphone from morphine2 Jun 2026US 12,643,908 B2Navin Saxena Research & Technology Pvt. Ltd.
- Bivalent ligands to understand dimerization of the mu opioid receptor and the chemokine receptor CCR5 in neurological disorders2 Jun 2026US 12,643,909 B2Virginia Commonwealth University
- Methods of synthesizing 14-b-aminomorphans and salts thereof17 Sep 2026US 2026/0274854 A1Board of Regents, The University of Texas System
- Solid state forms of dibuprenorphine ethyl ether and process for preparation thereof20 Aug 2026US 2026/0242386 A1Tapi Czech Industries S.R.O
- Process for Synthesizing Opioid Derivatives20 Aug 2026US 2026/0242387 A1Euroapi Hungary, LLC
- 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
Most cited
By later US patents
- Quaternary derivatives of noroxymorphone which relieve intestinal immobility186US 4,176,186 ABoehringer Ingelheim GmbH · 1979
- Method for controlling gastrointestinal dysmotility175US 4,987,136 AThe Rockefeller University · 1991
- 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