C07C 209/14
By substitution of hydroxy groups or of etherified or esterified hydroxy groups
Official title: by substitution of hydroxy groups or of etherified or esterified hydroxy groups
C07C209/14 (By substitution of hydroxy groups or of etherified or esterified hydroxy groups) appears on 487 US grants and 279 published applications in this corpus.
Search patents in C07C- Granted patents
- 487
- Published applications
- 279
- Assignees
- 177
- Inventors
- 949
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 15 | 0 |
| 1984 | 12 | 0 |
| 1985 | 7 | 0 |
| 1986 | 10 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 13 | 0 |
| 1990 | 19 | 0 |
| 1991 | 21 | 0 |
| 1992 | 16 | 0 |
| 1993 | 22 | 0 |
| 1994 | 13 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 11 | 0 |
| 1998 | 11 | 0 |
| 1999 | 16 | 0 |
| 2000 | 14 | 0 |
| 2001 | 8 | 1 |
| 2002 | 5 | 3 |
| 2003 | 3 | 6 |
| 2004 | 7 | 8 |
| 2005 | 7 | 5 |
| 2006 | 4 | 8 |
| 2007 | 5 | 10 |
| 2008 | 8 | 11 |
| 2009 | 10 | 15 |
| 2010 | 11 | 21 |
| 2011 | 10 | 17 |
| 2012 | 10 | 12 |
| 2013 | 6 | 18 |
| 2014 | 23 | 17 |
| 2015 | 15 | 17 |
| 2016 | 13 | 23 |
| 2017 | 16 | 16 |
| 2018 | 11 | 9 |
| 2019 | 12 | 12 |
| 2020 | 9 | 21 |
| 2021 | 10 | 4 |
| 2022 | 9 | 6 |
| 2023 | 6 | 8 |
| 2024 | 4 | 2 |
| 2025 | 2 | 4 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Products obtained by the conversion of glycolaldehyde derivatives and aminating agents and their conversion to ethyleneamines and ethanolamines24 Mar 2026US 12,583,827 B2BASF SE
- Gas-phase process for the conversion of glycolaldehyde with an aminating agent30 Sep 2025US 12,428,383 B2BASF SE
- Method for the production of ethyleneamines11 Feb 2025US 12,221,402 B2BASF SE
- Conversion of glycolaldehyde with an aminating agent10 Dec 2024US 12,162,842 B2BASF SE
- Method for preparing 3,3′-diaminobenzidine14 May 2024US 11,981,616 B2Borun High-Tech Co., Ltd.
- Method for manufacture of ethyleneamines3 Sep 2026US 2026/0257985 A1BASF SE
- Process for preparing secondary and/or tertiary amines in the presence of a manganese-doped copper catalyst11 Jun 2026US 2026/0159472 A1Arkema France
- Method for preparing hexamethylenediamine4 Jun 2026US 2026/0152464 A1China Petroleum & Chemical Corporation
- Method of purifying ethylenediamine4 Jun 2026US 2026/0152465 A1Oriental Union Chemical Corp.
- Urea plant with modified condenser and modified reactor internals7 May 2026US 2026/0124595 A1Stamicarbon B. V.
Most cited
By later US patents
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Preparation of arylamines127US 5,576,460 AMassachusetts Institute of Technology · 1996
- Ligands for metals and improved metal-catalyzed processes based thereon100US 6,395,916 B1Massachusetts Institute of Technology · 2002
- Small crystallite zeolite CHA97US 6,709,644 B2Chevron U.S.A.Inc. · 2004
- Ligands for metals and improved metal-catalyzed processes based thereon93US 7,223,879 B2Massachusetts Institute of Technology · 2007