C07C 215/40
With quaternised nitrogen atoms bound to carbon atoms of the carbon skeleton
Official title: with quaternised nitrogen atoms bound to carbon atoms of the carbon skeleton
C07C215/40 (With quaternised nitrogen atoms bound to carbon atoms of the carbon skeleton) appears on 126 US grants and 153 published applications in this corpus.
Search patents in C07C- Granted patents
- 126
- Published applications
- 153
- Assignees
- 134
- Inventors
- 446
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 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 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 4 |
| 2011 | 2 | 5 |
| 2012 | 2 | 4 |
| 2013 | 2 | 6 |
| 2014 | 4 | 8 |
| 2015 | 6 | 12 |
| 2016 | 4 | 6 |
| 2017 | 8 | 12 |
| 2018 | 5 | 8 |
| 2019 | 6 | 12 |
| 2020 | 7 | 14 |
| 2021 | 10 | 16 |
| 2022 | 7 | 6 |
| 2023 | 8 | 7 |
| 2024 | 4 | 6 |
| 2025 | 5 | 8 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Artificially synthesized sphingosine derivative lipoid monomer and use of same for delivering nucleic acid19 May 2026US 12,629,421 B2Beijing Baishihekang Pharmaceutical Technology (Bsjpharma) Co., Ltd
- Bioactive phenolate ionic complexes21 Apr 2026US 12,606,536 B2Hadasit Medical Research Services and Development Ltd.
- Device and cassette for performing a plurality of synthesis processes of preparing a radiopharmaceutical in series24 Mar 2026US 12,583,881 B2Out and Out Chemistry S.P.R.L.
- Organic ammonium salts with traceability and detergent dispersant properties to liquid fuels and processes for their synthesis23 Sep 2025US 12,421,186 B2Instituto Mexicano Del Petroleo
- Pharmaceutical composition comprising tizoxanide and pharmaceutical use thereof5 Aug 2025US 12,378,210 B2Beijing Junke Huayuan Med Tech Co., Ltd.
- Method of synthesis8 Oct 2026US 2026/0308107 A1Mitocholine Ltd.
- Artificially synthesized sphingosine derivative lipoid monomer and use of same for delivering nucleic acid6 Aug 2026US 2026/0224704 A1Beijing Baishihekang Pharmaceutical Technology (Bsjpharma) Co., Ltd
- Device and cassette for performing a plurality of synthesis processes of preparing a radiopharmaceutical in series2 Jul 2026US 2026/0184735 A1Out and Out Chemistry S.P.R.L.
- Solid forms of 1-(4-(4-((3-(3,6-difluoropyridin-2-yl)-1-((1r,4r)-4-ethoxycyclohexyl)-1h-pyrazol-4-yl)carbamoyl)thiazol-2-yl)-1h-pyrazol-1-yl)ethyl phosphate and salts thereof, and their pharmaceutical compositions and uses11 Jun 2026US 2026/0159538 A1Rigel Pharmaceuticals, Inc.
- Application of compound or traditional chinese medicine extract in preparation of nucleic acid delivery agent, and related products1 Jan 2026US 2026/0000768 A1Beijing Baishihekang Pharmaceutical Technology (Bsjpharma) Co., Ltd
Most cited
By later US patents
- Effect of N,N,N-trimethylsphingosine on protein kinase-C activity, melanoma cell growth in vitro, metastatic potential in vivo and human platelet aggregation79US 5,151,360 AThe Biomembrane Institute · 1992
- Ionic liquids44US 6,573,405 B1Scionix Limited · 2003
- Effect of N,N,N,-trimethylsphingosine on protein kinase C activity melanoma cell growth in vitro; metastatic potential in vivo and human platelet aggregation30US 5,137,919 AThe Biomembrane Institute · 1992
- Effect of N,N,N-trimethylsphingosine on protein kinase-C activity; melanoma cell growth in vitro; metastatic potential in vivo and human platelet aggregation27US 5,331,014 AThe Biomembrane Institute · 1994
- Amine and quaternary ammonium compounds made from ketones and aldehydes, and compositions containing them27US 6,235,914 B1Goldschmidt Chemical Corporation · 2001