C07D 213/53
Nitrogen atoms
C07D213/53 (Nitrogen atoms) appears on 538 US grants and 401 published applications in this corpus.
Search patents in C07D- Granted patents
- 538
- Published applications
- 401
- Assignees
- 330
- Inventors
- 1,681
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 5 | 0 |
| 1978 | 11 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 12 | 0 |
| 1982 | 17 | 0 |
| 1983 | 9 | 0 |
| 1984 | 8 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 12 | 0 |
| 1989 | 2 | 0 |
| 1990 | 10 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 11 | 0 |
| 1994 | 11 | 0 |
| 1995 | 11 | 0 |
| 1996 | 9 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 13 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 1 |
| 2002 | 23 | 16 |
| 2003 | 10 | 18 |
| 2004 | 13 | 23 |
| 2005 | 12 | 20 |
| 2006 | 11 | 21 |
| 2007 | 11 | 21 |
| 2008 | 13 | 18 |
| 2009 | 8 | 20 |
| 2010 | 12 | 20 |
| 2011 | 17 | 16 |
| 2012 | 15 | 17 |
| 2013 | 8 | 24 |
| 2014 | 22 | 41 |
| 2015 | 23 | 16 |
| 2016 | 12 | 15 |
| 2017 | 19 | 13 |
| 2018 | 11 | 13 |
| 2019 | 8 | 14 |
| 2020 | 18 | 12 |
| 2021 | 6 | 10 |
| 2022 | 14 | 9 |
| 2023 | 1 | 11 |
| 2024 | 4 | 4 |
| 2025 | 3 | 3 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photoswitchable guanidinium compounds for removal of oxyanions from liquid solutions23 Jun 2026US 12,662,403 B2UT-Battelle, LLC
- Chemoselective sensitivity booster for tagging a peptide, peptide conjugate, or similar reactive molecule12 May 2026US 12,625,144 B2Indian Institute of Science Education and Research Bhopal
- Copper complexes for treatment of neurodegenerative disorders13 Jan 2026US 12,522,618 B2ALS Therapy Development Institute
- Benzamide compound and preparation method, use, and pharmaceutical composition thereof19 Aug 2025US 12,391,647 B2Institute of Materia Medica, Chinese Academy of Medical Sciences
- Pharmaceutical compounds and therapeutic methods22 Apr 2025US 12,280,065 B2Rutgers, The State University of New Jersey
- Nematicidal compounds, their composition and use thereof13 Aug 2026US 2026/0231945 A1
- Compounds, their composition and their use as nematicides13 Aug 2026US 2026/0234101 A1
- Isothiazolylcarboxamide compounds and their use in therapy7 May 2026US 2026/0124222 A1Hotspot Therapeutics, Inc.
- Photochemically controlled direct air capture of carbon dioxide with a guanidine photobase5 Mar 2026US 2026/0061367 A1
- (2,4-dichlorophenoxy)acetic acid analogs12 Feb 2026US 2026/0042731 A1Corteva Agriscience LLC
Most cited
By later US patents
- Platinum complex and light emitting device154US 7,442,797 B2Takasago International Corporation · 2008
- Polymerization of ethylene140US 5,955,555 AE. I. Du Pont de Nemours and Company · 1999
- Sulfonamides and their use as a medicament87US 8,088,772 B2The Genetics Company, Inc. · 2012
- Manufacture of .alpha.-olefins75US 6,103,946 AE. I. Du Pont de Nemours and Company · 2000
- Charge transfer layer with styryl hydrazones72US 4,385,106 ARicoh Company, Ltd. · 1983