C07C 211/63
Having quaternised nitrogen atoms bound to acyclic carbon atoms
Official title: having quaternised nitrogen atoms bound to acyclic carbon atoms
C07C211/63 (Having quaternised nitrogen atoms bound to acyclic carbon atoms) appears on 404 US grants and 430 published applications in this corpus.
Search patents in C07C- Granted patents
- 404
- Published applications
- 430
- Assignees
- 315
- Inventors
- 1,221
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 8 | 0 |
| 1990 | 0 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 14 | 0 |
| 1996 | 6 | 0 |
| 1997 | 11 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 9 | 8 |
| 2003 | 10 | 8 |
| 2004 | 4 | 14 |
| 2005 | 7 | 14 |
| 2006 | 7 | 9 |
| 2007 | 10 | 9 |
| 2008 | 8 | 12 |
| 2009 | 7 | 10 |
| 2010 | 13 | 17 |
| 2011 | 12 | 13 |
| 2012 | 9 | 14 |
| 2013 | 11 | 10 |
| 2014 | 13 | 14 |
| 2015 | 16 | 25 |
| 2016 | 9 | 25 |
| 2017 | 20 | 31 |
| 2018 | 22 | 19 |
| 2019 | 18 | 36 |
| 2020 | 26 | 26 |
| 2021 | 17 | 19 |
| 2022 | 16 | 25 |
| 2023 | 19 | 24 |
| 2024 | 13 | 22 |
| 2025 | 16 | 14 |
| 2026 | 4 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inhibitor for RuO4 gas generation and method for inhibiting RuO4 gas generation22 Sep 2026US 12,741,925 B2Tokuyama Corporation
- Onium salt, resist composition, and patterning process4 Aug 2026US 12,699,318 B2Shin-Etsu Chemical Co., Ltd.
- Particulate laundry softening and freshening wash additive comprising perfume particles and softening particles28 Jul 2026US 12,692,458 B2The Procter & Gamble Company
- Fluorine-containing alkyl ammonium borate compound and method for producing same14 Apr 2026US 12,600,805 B2AGC Inc.
- Carbonic acid adducts2 Dec 2025US 12,486,217 B2Inflamed Pharma GmbH
- Alkali metal ion conductor, alkali metal ion battery, and method for manufacturing alkali metal ion conductor27 Aug 2026US 2026/0253974 A1Toyota Jidosha Kabushiki Kaisha
- Thermal acid generators, coating compositions, and pattern formation methods20 Aug 2026US 2026/0244096 A1
- Onium cation with ether linkages for zinc batteries20 Aug 2026US 2026/0245979 A1U.S. Government as represented by the Secretary of the Army
- Cationic Polymers And Methods Of Making Same, And Uses Thereof13 Aug 2026US 2026/0233214 A1Carnegie Mellon University
- Hafnium-acid-compound-containing material and method for producing same6 Aug 2026US 2026/0225908 A1Mitsui Kinzoku Company, Limited
Most cited
By later US patents
- Amperometric sensor194US 7,135,100 B1Drew Scientific Ventures LLC · 2006
- Transfection reagents155US 7,479,573 B2Invitrogen Corporation · 2009
- Highly packed polycationic ammonium, sulfonium and phosphonium lipids89US 5,674,908 ALife Technologies Corporation · 1997
- Quaternary amine surfactants and methods of using same in isolation of RNA88US 5,728,822 AQiagen GmbH · 1998
- Materials useful as electrolytic solutes83US 6,365,301 B1ACEP Inc. · 2002