C07C 209/18
With formation of amino groups bound to carbon atoms of six-membered aromatic
Official title: with formation of amino groups bound to carbon atoms of six-membered aromatic rings or from amines having nitrogen atoms bound to carbon atoms of six-membered aromatic rings
C07C209/18 (With formation of amino groups bound to carbon atoms of six-membered aromatic) appears on 128 US grants and 40 published applications in this corpus.
Search patents in C07C- Granted patents
- 128
- Published applications
- 40
- Assignees
- 70
- Inventors
- 267
- Latest grant
- 14 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 11 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 2 | 1 |
| 2006 | 2 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 2 | 3 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 3 | 4 |
| 2015 | 1 | 2 |
| 2016 | 2 | 3 |
| 2017 | 4 | 6 |
| 2018 | 3 | 2 |
| 2019 | 4 | 3 |
| 2020 | 2 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for preparing 3,3′-diaminobenzidine14 May 2024US 11,981,616 B2Borun High-Tech Co., Ltd.
- Method for producing N-methyl-p-toluidine for use as an additive for aviation gasoline5 Dec 2023US 11,834,385 B2LANXESS Corporation
- Production of amines utilizing zeolite catalysts16 Feb 2021US 10,919,837 B2Rhodia Operations
- Method for producing N-methyl-p-toluidine for use as an additive for aviation gasoline29 Dec 2020US 10,875,823 B2LANXESS Deutschland GmbH
- Method to convert lignin 4-O-5 diaryl ethers and their model compounds into organic chemicals8 Sep 2020US 10,766,851 B1The Royal Institution for the Advancement of Learning/Mcgill University
- Method for preparing 3,3'-diaminobenzidine4 Apr 2024US 2024/0109835 A1Borun High-Tech Co., Ltd.
- Method for producing n-methyl-p-toluidine for use as an additive for aviation gasoline17 Sep 2020US 2020/0290947 A1LANXESS Deutschland GmbH
- Method for producing n-methyl-p-toluidine for use as an additive for aviation gasoline14 May 2020US 2020/0148625 A1LANXESS Deutschland GmbH
- Method for coupling a first compound to a second compound13 Jun 2019US 2019/0177265 A1Dow AgroSciences LLC
- Production of amines utilizing zeolite catalysts7 Mar 2019US 2019/0071389 A1Rhodia Operations
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
- Ligands for metals and improved metal-catalyzed processes based thereon93US 7,223,879 B2Massachusetts Institute of Technology · 2007
- Preparation of amines83US 5,530,127 ABASF SE · 1996