C07C 45/59
In five-membered rings
Official title: in five-membered rings (from ozonides C07C45/40)
C07C45/59 (In five-membered rings) appears on 421 US grants and 140 published applications in this corpus.
Search patents in C07C- Granted patents
- 421
- Published applications
- 140
- Assignees
- 200
- Inventors
- 851
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 5 | 0 |
| 1978 | 11 | 0 |
| 1979 | 11 | 0 |
| 1980 | 12 | 0 |
| 1981 | 17 | 0 |
| 1982 | 11 | 0 |
| 1983 | 16 | 0 |
| 1984 | 7 | 0 |
| 1985 | 15 | 0 |
| 1986 | 14 | 0 |
| 1987 | 7 | 0 |
| 1988 | 11 | 0 |
| 1989 | 15 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 15 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 17 | 0 |
| 1997 | 26 | 0 |
| 1998 | 10 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 17 | 3 |
| 2002 | 6 | 6 |
| 2003 | 7 | 11 |
| 2004 | 6 | 17 |
| 2005 | 6 | 9 |
| 2006 | 12 | 8 |
| 2007 | 8 | 8 |
| 2008 | 5 | 0 |
| 2009 | 4 | 6 |
| 2010 | 6 | 5 |
| 2011 | 1 | 1 |
| 2012 | 2 | 2 |
| 2013 | 3 | 7 |
| 2014 | 1 | 5 |
| 2015 | 4 | 6 |
| 2016 | 7 | 9 |
| 2017 | 7 | 10 |
| 2018 | 6 | 2 |
| 2019 | 3 | 1 |
| 2020 | 0 | 0 |
| 2021 | 3 | 2 |
| 2022 | 1 | 6 |
| 2023 | 5 | 4 |
| 2024 | 1 | 5 |
| 2025 | 3 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cyclopentenones derivatives and their use as antibiotics28 Apr 2026US 12,612,354 B2Centre National de la Recherche Scientifique (CNRS)
- Production of aromatic acids and phenolics20 Jan 2026US 12,528,758 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Lignin depolymerization and deoxygenation process for obtaining aromatic compounds and their catalytic reaction composition9 Sep 2025US 12,410,297 B2Instituto Mexicano Del Petroleo
- Method of depolymerising phenolic polymers15 Apr 2025US 12,275,697 B2Stellenbosch University
- Methods of depolymerizing lignin4 Feb 2025US 12,215,077 B2Wisconsin Alumni Research Foundation
- Method for non-catalytic extraction of phenolic aldehydes from lignocellulosic biomass30 Apr 2026US 2026/0116837 A1
- Thermolytic fragmentation of sugars22 Jan 2026US 2026/0022088 A1Topsoe A/S
- Method for preparing 2,5-hexanedione using 5-chloromethylfurfural11 Dec 2025US 2025/0376429 A1Xiamen University
- Sglt2 inhibitor intermediate v-1 and use thereof5 Jun 2025US 2025/0178996 A1Wanbang Biopharmaceuticals
- Process for preparing gamma,delta-unsaturated aldehydes derivatives15 May 2025US 2025/0154090 A1Firmenich SA
Most cited
By later US patents
- Retroviral protease inhibiting compounds159US 5,142,056 AAbbott Laboratories · 1992
- Retroviral protease inhibiting compounds109US 5,354,866 AAbbott Laboratories · 1994
- Retroviral protease inhibiting compounds94US 5,541,206 AAbbott Laboratories · 1996
- Hydroformylation process for producing 1,6-hexanedials72US 5,312,996 AUnion Carbide Chemicals & Plastics Technology Corporation · 1994
- Liquid crystals66US 4,565,425 AHoffmann-La Roche Inc. · 1986