C07C 211/14
Amines containing amino groups bound to at least two aminoalkyl groups
Official title: Amines containing amino groups bound to at least two aminoalkyl groups, e.g. diethylenetriamines
C07C211/14 (Amines containing amino groups bound to at least two aminoalkyl groups) appears on 139 US grants and 130 published applications in this corpus.
Search patents in C07C- Granted patents
- 139
- Published applications
- 130
- Assignees
- 91
- Inventors
- 331
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 8 |
| 2003 | 6 | 9 |
| 2004 | 2 | 4 |
| 2005 | 2 | 6 |
| 2006 | 8 | 5 |
| 2007 | 0 | 2 |
| 2008 | 4 | 2 |
| 2009 | 5 | 5 |
| 2010 | 1 | 7 |
| 2011 | 3 | 2 |
| 2012 | 3 | 5 |
| 2013 | 5 | 3 |
| 2014 | 6 | 6 |
| 2015 | 5 | 9 |
| 2016 | 3 | 6 |
| 2017 | 3 | 3 |
| 2018 | 1 | 3 |
| 2019 | 4 | 11 |
| 2020 | 5 | 11 |
| 2021 | 10 | 3 |
| 2022 | 6 | 5 |
| 2023 | 2 | 2 |
| 2024 | 1 | 2 |
| 2025 | 6 | 6 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrocarbon functionalized polyamines for corrosion inhibition4 Aug 2026US 12,698,256 B2Ecolab USA Inc.
- Crystalline form of triethylenetetramine tetrahydrochloride and its pharmaceutical use23 Jun 2026US 12,662,445 B2Orphalan S.A.
- Crystalline form of triethylenetetramine tetrahydrochloride and its pharmaceutical use15 Jul 2025US 12,358,861 B2Orphalan S.A.
- Crystalline form of triethylenetetramine tetrahydrochloride and its pharmaceutical use15 Jul 2025US 12,358,862 B2Orphalan S.A.
- Polyethyleneamine salts of sulphonyl oleic acid and dual functional hydrocarbon fuel additive composition thereof15 Jul 2025US 12,359,141 B2Hindustan Petroleum Corporation Limited
- Amine compound, amine composition, carbon dioxide absorbent, method for recovering carbon dioxide, and carbon dioxide separation and recovery device8 Oct 2026US 2026/0307005 A1Mitsubishi Gas Chemical Company, Inc.
- Composite emulsifier and oil-based drilling fluid13 Aug 2026US 2026/0234461 A1China Petroleum & Chemical Corporation
- Nutrient complexing compositions26 Feb 2026US 2026/0055034 A1Woodford Group LLC
- Crystalline form of triethylenetetramine tetrahydrochloride and its pharmaceutical use26 Feb 2026US 2026/0055049 A1Orphalan S.A.
- Amine composition useful for making stable polyurethane foam systems29 Jan 2026US 2026/0028445 A1Evonik Operations GmbH
Most cited
By later US patents
- Lipids and compositions for intracellular delivery of biologically active compounds247US 8,691,750 B2Axolabs GmbH · 2014
- Complexes of nitric oxide with polyamines105US 5,155,137 AThe United States of America, as represented by the Secretary, Department of Health and Human Services · 1992
- Diamine terminated primary amine-aldehyde sulfur converting compositions and methods for making and using same76US 7,140,433 B2Clearwater International, LLC · 2006
- Complexes of nitric oxide with polyamines66US 5,250,550 AThe Government of the United States of America as represented by the Secretary of the Department of Health and Human Services · 1993
- Anti-neoplastic, anti-viral or anti-retroviral spermine derivatives54US 5,091,576 AUniversity of Florida · 1992