C07C 211/09
Diamines
C07C211/09 (Diamines) appears on 203 US grants and 242 published applications in this corpus.
Search patents in C07C- Granted patents
- 203
- Published applications
- 242
- Assignees
- 155
- Inventors
- 658
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 3 | 6 |
| 2004 | 4 | 2 |
| 2005 | 4 | 2 |
| 2006 | 4 | 7 |
| 2007 | 2 | 4 |
| 2008 | 1 | 5 |
| 2009 | 1 | 3 |
| 2010 | 2 | 9 |
| 2011 | 4 | 8 |
| 2012 | 5 | 7 |
| 2013 | 5 | 9 |
| 2014 | 10 | 13 |
| 2015 | 7 | 17 |
| 2016 | 8 | 14 |
| 2017 | 12 | 16 |
| 2018 | 9 | 22 |
| 2019 | 16 | 14 |
| 2020 | 13 | 12 |
| 2021 | 15 | 10 |
| 2022 | 8 | 24 |
| 2023 | 10 | 10 |
| 2024 | 4 | 18 |
| 2025 | 16 | 4 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cosmetic salts9 Jun 2026US 12,648,899 B2Tara Brands Europe S.L.U.
- Cocrystals of pterostilbene and compositions comprising them7 Apr 2026US 12,595,220 B2Center for Intelligent Research In Crystal Engineering, S.L.
- Lipids for lipid nanoparticle delivery of active agents24 Mar 2026US 12,583,816 B2Acuitas Therapeutics, Inc.
- 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
- Process for the preparation of 6-(cyclopropaneamido)-4-((2-methoxy-3-(1-methyl-1H-1,2,4-triazol-3-yl)phenyl)amino)-N-(methyl-d3)pyridazine-3-carboxamide3 Mar 2026US 12,565,487 B2Bristol-Myers Squibb Company
- Method for producing diamine and dicarboxylic acid, method for recycling polyamide, and polyamide6 Aug 2026US 2026/0225993 A1Asahi Kasei Kabushiki Kaisha
- Compounds and compositions for intracellular delivery of nucleic acid-based therapeutics and methods thereof30 Jul 2026US 2026/0216070 A1NanoTech Pharma Inc.
- Process for removing carbon dioxide from a liquid aqueous stream30 Jul 2026US 2026/0216643 A1BASF SE
- Process for the preparation of 6-(cyclopropaneamido)-4-((2-methoxy-3-(1-methyl-1h-1,2,4-triazol-3-yl)phenyl)amino)-n-(methyl-d3)pyridazine-3-carboxamide18 Jun 2026US 2026/0167628 A1Bristol-Myers Squibb Company
- Conversion of lysine phosphate to 1.5 pentanediamine and separation of diamines from amino and carboxylic acids18 Jun 2026US 2026/0167997 A1Archer Daniels Midland Company
Most cited
By later US patents
- Lipids and compositions for intracellular delivery of biologically active compounds247US 8,691,750 B2Axolabs GmbH · 2014
- Cationic liposomes for gene transfer53US 7,067,697 B2Vanderbilt University · 2006
- Lipids and lipid nanoparticle formulations for delivery of nucleic acids51US 10,221,127 B2Acuitas Therapeutics, Inc. · 2019
- Stable mixed lithium amide reagent compositions40US 5,149,457 ACyprus Foote Mineral Company · 1992
- Water soluble organic ammonium per halides35US 4,886,915 AGreat Lakes Chemical Corporation · 1989