C07C 209/20
With formation of quaternary ammonium compounds
Official title: with formation of quaternary ammonium compounds
C07C209/20 (With formation of quaternary ammonium compounds) appears on 7 US grants and 12 published applications in this corpus.
Search patents in C07C- Granted patents
- 7
- Published applications
- 12
- Assignees
- 8
- Inventors
- 17
- Latest grant
- 7 Oct 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Quaternary ammonium salts as microbe inhibitors7 Oct 2014US 8,853,454 B2Mionix Corporation
- In situ process for preparing quaternary ammonium bicarbonates and quaternary ammonium carbonates24 Jan 2006US 6,989,459 B2Lonza Ltd.
- Production of quaternary ammonium salt of hydroxycarboxylic acid and quaternary ammonium salt of inorganic acid22 Nov 2005US 6,967,258 B2Mitsubishi Gas Chemical Company, Inc.
- In situ process for preparing quaternary ammonium bicarbonates and quaternary ammonium carbonates31 Aug 2004US 6,784,307 B2Lonza Ltd.
- Production of quaternary ammonium salt of hydroxycarboxylic acid and quarternary ammonium salt of inorganic acid31 Aug 2004US 6,784,317 B2Mitsubishi Gas Chemical Company, Inc.
- Method for preparing structured directing agent30 Aug 2018US 2018/0244618 A1Johnson Matthey Public Limited Company
- Method for preparing structured directing agent18 Jan 2018US 2018/0016231 A9Johnson Matthey Public Limited Company
- Method for preparing structured directing agent20 Oct 2016US 2016/0304457 A1Johnson Matthey Public Limited Company
- Catalyst and related methods23 Jun 2016US 2016/0175826 A1
- Quaternary ammonium salts as microbe inhibitors9 Feb 2012US 2012/0034290 A9Mionix Corporation
Most cited
By later US patents
- Process for making high solids fabric softeners using low amounts of solvents and no side reactions21US 5,223,628 ASherex Chemical Company, Inc. · 1993
- In situ process for preparing quaternary ammonium bicarbonates and quaternary ammonium carbonates20US 6,989,459 B2Lonza Ltd. · 2006
- Process for making high solids fabric softeners using low amounts of solvents and eliminating side reactions11US 5,284,650 ASherex Chemical Company, Inc. · 1994
- Production of quaternary ammonium salt of hydroxycarboxylic acid and quarternary ammonium salt of inorganic acid5US 6,784,317 B2Mitsubishi Gas Chemical Company, Inc. · 2004
- Production of quaternary ammonium salt of hydroxycarboxylic acid and quaternary ammonium salt of inorganic acid4US 6,967,258 B2Mitsubishi Gas Chemical Company, Inc. · 2005