A61K 8/411
Aromatic amines, i.e. where the amino group is directly linked to the
Official title: {Aromatic amines, i.e. where the amino group is directly linked to the aromatic nucleus}
A61K8/411 (Aromatic amines, i.e. where the amino group is directly linked to the) appears on 572 US grants and 569 published applications in this corpus.
Search patents in A61K- Granted patents
- 572
- Published applications
- 569
- Assignees
- 131
- Inventors
- 902
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 10 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 12 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 11 | 0 |
| 1997 | 12 | 0 |
| 1998 | 13 | 0 |
| 1999 | 22 | 0 |
| 2000 | 14 | 0 |
| 2001 | 10 | 3 |
| 2002 | 23 | 27 |
| 2003 | 20 | 47 |
| 2004 | 23 | 32 |
| 2005 | 11 | 26 |
| 2006 | 24 | 27 |
| 2007 | 23 | 21 |
| 2008 | 16 | 6 |
| 2009 | 4 | 11 |
| 2010 | 6 | 8 |
| 2011 | 6 | 8 |
| 2012 | 10 | 16 |
| 2013 | 9 | 16 |
| 2014 | 11 | 18 |
| 2015 | 12 | 34 |
| 2016 | 14 | 35 |
| 2017 | 22 | 38 |
| 2018 | 25 | 15 |
| 2019 | 22 | 17 |
| 2020 | 16 | 33 |
| 2021 | 21 | 16 |
| 2022 | 23 | 21 |
| 2023 | 7 | 24 |
| 2024 | 18 | 35 |
| 2025 | 10 | 19 |
| 2026 | 16 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cosmetic and dermatological compositions6 Oct 2026US 12,751,904 B2Northeastern University
- Agent for oxidatively dyeing keratin fibers30 Jun 2026US 12,667,530 B2Henkel AG & Co. KGaA
- Agent for oxidatively dyeing keratin fibers, containing at least one oxidation dye precursor of the developer type and isatin30 Jun 2026US 12,667,531 B2Henkel AG & Co. KGaA
- Composition for the simultaneous bleaching and dyeing of keratin fibres and process employing this composition9 Jun 2026US 12,648,897 B2L'oreal
- Composition comprising at least one oxidation dye, 1,3-propanediol, at least one alkaline agent and at least one fatty substance2 Jun 2026US 12,642,755 B2L'oreal
- Agent for oxidatively dyeing keratin fibers8 Oct 2026US 2026/0306381 A1Henkel AG & Co. KGaA
- Agent for oxidative dyeing of keratin fibers, containing isatin and at least one defined polymer17 Sep 2026US 2026/0272805 A1Henkel AG & Co. KGaA
- Colorant composition for dyeing keratin fibers and dye kit containing the same10 Sep 2026US 2026/0263341 A1L'oreal
- Composition for the oxidative dyeing of keratinous fibers27 Aug 2026US 2026/0248701 A1Laboratoire Biosthétique Kosmetik GmbH & Co. KG
- Method for obtaining crystalline diethylamino hydroxybenzoyl hexyl benzoate27 Aug 2026US 2026/0250238 A1BASF SE
Most cited
By later US patents
- Oxidation colorants comprising 2-(2,5-diaminophenyl)-ethanol compounds and 2-chloro-6-methyl-3-aminophenol compounds286US 6,284,003 B1Henkel Kommanditgesellschaft auf Aktien · 2001
- Photoprotective compositions131US 6,024,942 AThe Procter & Gamble Company · 2000
- Composition for the oxidation dyeing of keratin fibers and dyeing process using this composition80US 6,685,750 B1L'oreal · 2004
- Two-stage process for dyeing keratin fibres68US 4,425,132 AL'oreal · 1984
- Multi-modal information retrieval system64US 7,054,818 B2V-Enablo, Inc. · 2006