C07D 233/16
Radicals substituted by nitrogen atoms
C07D233/16 (Radicals substituted by nitrogen atoms) appears on 56 US grants and 42 published applications in this corpus.
Search patents in C07D- Granted patents
- 56
- Published applications
- 42
- Assignees
- 44
- Inventors
- 173
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 2 | 3 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 2 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 4 |
| 2017 | 0 | 1 |
| 2018 | 1 | 4 |
| 2019 | 5 | 4 |
| 2020 | 5 | 2 |
| 2021 | 1 | 2 |
| 2022 | 4 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 5 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bioactive phenolate ionic complexes21 Apr 2026US 12,606,536 B2Hadasit Medical Research Services and Development Ltd.
- Nitrogen heterocyclic carbene ligands and ruthenium catalysts thereof, preparation method therefor and application thereof2 Jul 2024US 12,023,661 B2Paimai New Materials (Chengdu) Co., Ltd.
- Manufacture of absorbent paper with low charge density imidazolinium containing debonder compositions3 Jan 2023US 11,542,662 B2GPCP IP Holdings LLC
- Aromatic sulfonamide derivatives13 Dec 2022US 11,524,938 B2Bayer Pharma Aktiengesellschaft
- Enamine compounds for absorbance of electromagnetic energy29 Nov 2022US 11,512,042 B2Commonwealth Scientific and Industrial Research Organisation
- Modulators of g protein-coupled receptor 884 Dec 2025US 2025/0367158 A1ACADIA Pharmaceuticals Inc.
- Imidazoline-sugar conjugate compositions and methods for inhibiting corrosion4 Dec 2025US 2025/0369124 A1Ecolab USA Inc.
- Maleated fatty imidazoline derivatives for corrosion inhibitors3 Apr 2025US 2025/0109503 A1ChampionX LLC
- Mixed amide ester containing lipids for use in lipid nanoparticles23 Jan 2025US 2025/0025427 A1
- Multipurpose imidazoline-based process chemicals2 Jan 2025US 2025/0002785 A1Baker Hughes Oilfield Operations LLC
Most cited
By later US patents
- Phenylalanine derivatives and their use as non-peptide GLP-1 receptor modulators31US 8,748,412 B2Argusina Bioscience Inc. · 2014
- Selective neurokinin antagonists28US 6,635,630 B2Schering Corporation · 2003
- Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents27US 6,916,936 B2International Business Machines Corporation · 2005
- Compound containing basic group and use thereof25US 7,951,816 B2Ono Pharmaceutical Co., Ltd. · 2011
- Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents23US 6,911,546 B2International Business Machines Corporation · 2005