C07C 49/643
Having three rings
Official title: having three rings
C07C49/643 (Having three rings) appears on 55 US grants and 19 published applications in this corpus.
Search patents in C07C- Granted patents
- 55
- Published applications
- 19
- Assignees
- 31
- Inventors
- 85
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 1 | 0 |
| 2003 | 2 | 6 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 4 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Curcusone diterpenoids and uses thereof5 May 2026US 12,617,745 B2Purdue Research Foundation
- Polycyclic carbogenic molecules and uses thereof as anti-cancer agents21 May 2024US 11,987,546 B2Northwestern University
- Polycyclic carbogenic molecules and uses thereof as anti-cancer agents29 Mar 2022US 11,286,226 B2Northwestern University
- Tricyclic compounds and process for preparation thereof24 Apr 2018US 9,950,983 B2Council of Scientific and Industrial Research
- 5-norbornene-2-spiro-α-cycloalkanone-α′-spiro-2″-5″-norbornene and method for producing the same14 Jan 2014US 8,629,303 B2Jx Nippon Oil & Energy Corporation
- Use of substituted cyclopentenones and cyclopentanones as aroma ingredients17 Oct 2024US 2024/0343992 A1BASF SE
- Bi-functionalized dicyclopentadiene monomer and polymer embodiments, and methods of making and using same19 Sep 2024US 2024/0308939 A1UVic Industry Partnerships Inc.
- Compounds and methods to target glucose-stimulated phosphohistidine signaling and esophageal cancer growth28 Dec 2023US 2023/0416209 A1
- Curcusone diterpenoids and uses thereof10 Aug 2023US 2023/0250042 A1Purdue Research Foundation
- Polycyclic carbogenic molecules and uses thereof as anti-cancer agents25 Aug 2022US 2022/0267241 A1Northwestern University
Most cited
By later US patents
- Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof11US 4,275,251 AInternational Flavors & Fragrances Inc. · 1981
- 15,16-seco-19-nor progestins11US 5,321,044 ASRI International · 1994
- Odorant compounds and compositions10US 5,707,961 AGivaudan Roure (International) SA · 1998
- Process for the C-C bond forming reaction using solid acid catalysts9US 5,932,752 ACouncil of Scientific and Industrial Research · 1999
- Metallocene compounds and use thereof in catalysts for the polymerization of olefins9US 6,211,108 B1Montell Technology Company BV · 2001