C07C 215/66
With quaternised amino groups bound to the carbon skeleton
Official title: with quaternised amino groups bound to the carbon skeleton
C07C215/66 (With quaternised amino groups bound to the carbon skeleton) appears on 13 US grants and 15 published applications in this corpus.
Search patents in C07C- Granted patents
- 13
- Published applications
- 15
- Assignees
- 18
- Inventors
- 62
- Latest grant
- 1 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for preparation of isoproterenol hydrochloride1 Sep 2020US 10,759,738 B2Emcure Pharmaceuticals Limited
- Synthesis of novel ionic liquids from lignin-derived compounds18 Dec 2018US 10,155,735 B2National Technology & Engineering Solutions of Sandia, LLC
- Synthesis of novel ionic liquids from lignin-derived compounds19 Sep 2017US 9,765,044 B2Sandia Corporation
- Ionomeric cross-linkers and membranes formed therefrom5 Sep 2017US 9,752,000 B2Itm Power (Research) Limited
- Preparation method for rivastigmine, intermediates thereof, and preparation method for said intermediates31 May 2016US 9,353,049 B2Shanghai Institute of Pharmaceutical Industry
- Process for preparation of isoproterenol hydrochloride5 Dec 2019US 2019/0367443 A1Emcure Pharmaceuticals Limited
- Synthesis of novel ionic liquids from lignin-derived compounds7 Dec 2017US 2017/0349561 A1National Technology & Engineering Solutions of Sandia, LLC
- Ionomeric cross-linkers and membranes formed therefrom19 May 2016US 2016/0137796 A1Itm Power (Research) Limited
- Synthesis of novel ionic liquids from lignin-derived compounds4 Feb 2016US 2016/0031843 A1Sandia Corporation
- Preparation method for rivastigmine, intermediates thereof, and preparation method for said intermediates13 Mar 2014US 2014/0073809 A1Shanghai Institute of Pharmaceutical Industry
Most cited
By later US patents
- Biphenyl derivative composition for nerve cell degeneration repairing or protective agent and process for preparing a phenyl derivative contained in the composition30US 5,053,548 AOtsuka Pharmaceutical Co., Ltd. · 1991
- Synthesis of novel ionic liquids from lignin-derived compounds17US 9,765,044 B2Sandia Corporation · 2017
- Quaternary ammonium compounds15US 6,890,920 B2Pharmacia & Upjohn Company · 2005
- Synthesis of novel ionic liquids from lignin-derived compounds12US 10,155,735 B2National Technology & Engineering Solutions of Sandia, LLC · 2018
- Shortened synthesis of 3,3-diarylpropylamine derivatives8US 6,809,214 B2Schwartz Pharma AG · 2004