C07C 309/69
Of a carbon skeleton substituted by nitrogen atoms, not being part of
Official title: of a carbon skeleton substituted by nitrogen atoms, not being part of nitro or nitroso groups
C07C309/69 (Of a carbon skeleton substituted by nitrogen atoms, not being part of) appears on 41 US grants and 46 published applications in this corpus.
Search patents in C07C- Granted patents
- 41
- Published applications
- 46
- Assignees
- 28
- Inventors
- 108
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 4 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 4 |
| 2016 | 6 | 10 |
| 2017 | 4 | 5 |
| 2018 | 7 | 7 |
| 2019 | 4 | 2 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Ionizable lipids for nucleic acid delivery23 Dec 2025US 12,503,432 B2Global Life Sciences Solutions Canada ULC
- Monosubstituted or polysubstituted amphiphilic hypocrellin derivative, and preparation method and application thereof26 Oct 2021US 11,154,548 B2Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences
- Hydroxysultaine- and sulfobetaine-based geminal zwitterionic liquids, method for obtaining same, and use thereof as wettability modifiers having corrosion inhibiting properties25 May 2021US 11,014,875 B2Instituto Mexicano Del Petroleo
- β-substituted β-amino acids and analogs as chemotherapeutic agents2 Apr 2019US 10,245,246 B2Quadriga Biosciences, Inc.
- Ionizable lipids for nucleic acid delivery19 Mar 2026US 2026/0078085 A1Global Life Sciences Solutions Canada ULC
- Tes-based cationic lipids9 Nov 2023US 2023/0357140 A1Translate Bio, Inc.
- Ionizable lipids for nucleic acid delivery15 Dec 2022US 2022/0396548 A1Global Life Sciences Solutions Canada ULC
- Ethyleneamine sulfonate-based surfactant for high temperature foaming3 Jun 2021US 2021/0163813 A1Dow Global Technologies LLC
- Radiation-sensitive resin composition, resist pattern-forming method, and compound2 Apr 2020US 2020/0102270 A9Jsr Corporation
Most cited
By later US patents
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- Charge controlling agent and toner32US 8,110,329 B2Canon Kabushiki Kaisha · 2012
- Polymer having a sulfonic group or a sulfonate group and an amide group and method of producing same24US 7,795,363 B2Canon Kabushiki Kaisha · 2010
- Polymer having a sulfonic group or a sulfonate group and an amide group and method of producing same23US 8,178,271 B2Canon Kabushiki Kaisha · 2012
- Methods and compositions for treating amyloid-related diseases17US 7,414,076 B2Neurochem (International) Limited · 2008