C07C 323/33
Having at least one of the nitrogen atoms bound to a carbon
Official title: having at least one of the nitrogen atoms bound to a carbon atom of the same non-condensed six-membered aromatic ring
C07C323/33 (Having at least one of the nitrogen atoms bound to a carbon) appears on 228 US grants and 178 published applications in this corpus.
Search patents in C07C- Granted patents
- 228
- Published applications
- 178
- Assignees
- 132
- Inventors
- 633
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 10 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 1 |
| 2002 | 16 | 15 |
| 2003 | 9 | 17 |
| 2004 | 16 | 10 |
| 2005 | 7 | 11 |
| 2006 | 6 | 5 |
| 2007 | 3 | 3 |
| 2008 | 2 | 4 |
| 2009 | 5 | 13 |
| 2010 | 9 | 9 |
| 2011 | 4 | 2 |
| 2012 | 6 | 15 |
| 2013 | 9 | 8 |
| 2014 | 9 | 8 |
| 2015 | 9 | 13 |
| 2016 | 10 | 3 |
| 2017 | 5 | 6 |
| 2018 | 4 | 9 |
| 2019 | 6 | 2 |
| 2020 | 2 | 1 |
| 2021 | 3 | 9 |
| 2022 | 3 | 2 |
| 2023 | 1 | 5 |
| 2024 | 1 | 2 |
| 2025 | 1 | 5 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compound, and composition for forming hole transporting layer for perovskite solar cells15 Sep 2026US 12,735,395 B2Tokyo Chemical Industry Co., Ltd.
- Synthetic methods using native chemical ligation in flow14 Apr 2026US 12,600,746 B2The University of Sydney
- Deuterium substituted positron emission tomography (PET) imaging agents and their pharmacological application10 Feb 2026US 12,544,463 B2Five Eleven Pharma Inc.
- Aryl sulfide comprising benzylamine, synthesis method and application thereof23 Sep 2025US 12,419,304 B2Shandong Kangqiao Bio-Technology Co., Ltd.
- Alkoxy compounds for disease treatment9 Jul 2024US 12,029,708 B2Acucela Inc.
- Method for preparing (2,2,2-trifluoroethyl)sulfanylaniline derivatives3 Apr 2025US 2025/0109102 A1
- Compositions, methods, and development of arid4b inhibitors27 Mar 2025US 2025/0099405 A1The George Washington University
- Multifunctional group metal corrosion inhibitor, preparation method therefor, and application thereof20 Mar 2025US 2025/0091988 A1Tan Kah Kee Innovation Laboratory
- Antidegradant compounds and uses thereof27 Feb 2025US 2025/0066304 A1
- Pharmacological agents for treating ophthalmic diseases16 Jan 2025US 2025/0019352 A1Plex Pharmaceuticals, Inc.
Most cited
By later US patents
- Tetraaryl benzidines128US 5,639,914 AHodogaya Chemical Co., Ltd. · 1997
- Amine compound and electro-luminescence device comprising same122US 5,707,747 AHodogaya Chemical Co., Ltd. · 1998
- Thiol-modified hyaluronan121US 6,884,788 B2Anika Therapeutics, Inc. · 2005
- Aryl and heteroaryl compounds, compositions and methods of use99US 7,501,538 B2TransTech Pharma, Inc. · 2009
- Aryl and heteroaryl compounds, compositions, and methods of use94US 7,459,472 B2TransTech Pharma, Inc. · 2008