C07C 217/50
Ethers of hydroxy amines of undetermined structure
Official title: Ethers of hydroxy amines of undetermined structure, e.g. obtained by reactions of epoxides with hydroxy amines
C07C217/50 (Ethers of hydroxy amines of undetermined structure) appears on 56 US grants and 21 published applications in this corpus.
Search patents in C07C- Granted patents
- 56
- Published applications
- 21
- Assignees
- 35
- Inventors
- 120
- Latest grant
- 22 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 3 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Compositions and methods and uses relating thereto22 Aug 2023US 11,732,205 B2Innospec Limited
- Compositions and methods and uses relating thereto26 Jul 2022US 11,396,634 B2Innospec Limited
- Self-disinfecting surfaces23 Apr 2019US 10,266,705 B2Croda International PLC
- Sterically hindered amines and associated methods5 Jun 2018US 9,987,588 B2Huntsman Petrochemical Corporation
- Self-disinfecting surfaces31 Oct 2017US 9,803,090 B2Croda International PLC
- Compositions and methods and uses relating thereto22 Dec 2022US 2022/0403270 A1Innospec Limited
- Compositions and methods and uses relating thereto3 Sep 2020US 2020/0277534 A1Innospec Limited
- Self-disinfecting surfaces4 Jan 2018US 2018/0002533 A1Croda International PLC
- Sterically Hindered Amines and Associated Methods25 May 2017US 2017/0144102 A1Huntsman Petrochemical Corporation
- Sterically Hindered Amines and Associated Methods7 Jul 2016US 2016/0193562 A1Huntsman Petrochemical Corporation
Most cited
By later US patents
- Gasoline-engine fuels containing polyetheramines or polyetheramine derivatives75US 5,112,364 ABASF SE · 1992
- Class of three tail surfactants law38831US 5,672,739 AExxon Research & Engineering Co. · 1997
- Quaternary ammonium antistatic polymer compositions21US 5,187,214 APPG Industries, Inc. · 1993
- Mannich condensates of a substituted phenol and an alkylamine containing internal alkoxy groups19US 4,952,732 ATexaco Inc. · 1990
- Poly(oxyalkylene) substituted aminophenol intermediate and xanthene colorant18US 5,250,708 AMilliken Research Corporation · 1993