C07D 273/04
Six-membered rings
C07D273/04 (Six-membered rings) appears on 154 US grants and 69 published applications in this corpus.
Search patents in C07D- Granted patents
- 154
- Published applications
- 69
- Assignees
- 81
- Inventors
- 402
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 1 |
| 2003 | 3 | 4 |
| 2004 | 1 | 3 |
| 2005 | 1 | 3 |
| 2006 | 3 | 0 |
| 2007 | 0 | 6 |
| 2008 | 2 | 2 |
| 2009 | 2 | 2 |
| 2010 | 5 | 3 |
| 2011 | 2 | 2 |
| 2012 | 1 | 4 |
| 2013 | 2 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 0 |
| 2016 | 1 | 5 |
| 2017 | 3 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 4 |
| 2021 | 2 | 3 |
| 2022 | 3 | 3 |
| 2023 | 3 | 4 |
| 2024 | 1 | 5 |
| 2025 | 5 | 3 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water-dispersible modified polyisocyanates3 Mar 2026US 12,565,559 B2Covestro Deutschland AG
- Oral complement factor D inhibitors24 Feb 2026US 12,558,341 B2BioCryst Pharmaceuticals, Inc.
- Polyisocyanurate materials as electrical potting compounds9 Dec 2025US 12,492,281 B2Covestro Deutschland AG
- Synthesis of heterocyclic compounds from carboxamide and carboxamide derivatives with haloalkanols14 Oct 2025US 12,441,721 B2University of Kwazulu-Natal
- Tetrahydrobenzo-quinoline sulfonamides derivative compounds9 Sep 2025US 12,410,161 B2Ucb Biopharma Srl
- Crystalline forms of (6s)-5-[4'-fluoro-2-(trifluoromethyl)biphenyl-4-yl]-6-methyl-3,6- dihydro-2h-l,3,4-oxadiazin-2-one3 Sep 2026US 2026/0258004 A1Bayer Aktiengesellschaft
- Method for the preparation of a 3,6-dihydro-2h-1,3,4-oxadiazin-2-one3 Sep 2026US 2026/0258005 A1Bayer Aktiengesellschaft
- Nlrp3 inflammasome inhibitors and uses thereof2 Jul 2026US 2026/0184704 A1Insilico Medicine IP Limited
- Nlrp3 inflammasome inhibitors and uses thereof25 Jun 2026US 2026/0176261 A1Insilico Medicine IP Limited
- Oral complement factor d inhibitors18 Jun 2026US 2026/0165999 A1BioCryst Pharmaceuticals, Inc.
Most cited
By later US patents
- Isocyanate trimers containing iminooxadiazine dione groups, their preparation and use99US 5,914,383 ABayer Aktiengesellschaft · 1999
- Oxadiazine derivatives53US 5,852,012 ANovartis AG · 1998
- Thermoplastic formable blends, a foaming method and products made thereby52US 4,097,425 AGeneral Electric Company · 1978
- Polyisocyanates containing isocyanurate groups and a process for their production39US 5,013,838 ABayer Aktiengesellschaft · 1991
- Dihydropyridazinones, pyridazinones and related compounds as fungicides39US 5,552,409 ARohm and Haas Company · 1996