A61K 8/418
Containing nitro groups
Official title: {containing nitro groups}
A61K8/418 (Containing nitro groups) appears on 190 US grants and 106 published applications in this corpus.
Search patents in A61K- Granted patents
- 190
- Published applications
- 106
- Assignees
- 59
- Inventors
- 308
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 8 | 0 |
| 1989 | 12 | 0 |
| 1990 | 9 | 0 |
| 1991 | 14 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 7 | 4 |
| 2003 | 3 | 7 |
| 2004 | 11 | 6 |
| 2005 | 4 | 1 |
| 2006 | 3 | 6 |
| 2007 | 3 | 5 |
| 2008 | 2 | 3 |
| 2009 | 0 | 1 |
| 2010 | 5 | 2 |
| 2011 | 1 | 4 |
| 2012 | 2 | 3 |
| 2013 | 2 | 1 |
| 2014 | 3 | 8 |
| 2015 | 1 | 4 |
| 2016 | 2 | 8 |
| 2017 | 3 | 5 |
| 2018 | 3 | 4 |
| 2019 | 4 | 1 |
| 2020 | 3 | 8 |
| 2021 | 5 | 8 |
| 2022 | 4 | 4 |
| 2023 | 2 | 5 |
| 2024 | 4 | 1 |
| 2025 | 3 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Hair dyeing composition with improved durability15 Jul 2025US 12,357,550 B2Kao Corporation
- Composition comprising the combination of at least one fatty substance, a particular carboxylic acid and an oxidation dye and/or an alkaline agent24 Jun 2025US 12,337,051 B2L'oreal
- Cosmetic compositions and methods of use15 Apr 2025US 12,274,773 B2K&K Biotech
- Agent for oxidatively dyeing keratin fibers8 Oct 2026US 2026/0306381 A1Henkel AG & Co. KGaA
- Composition and method for tooth whitening with sensitivity relief13 Aug 2026US 2026/0232548 A1Koninklijke Philips N. V.
- Agent for repigmentation of keratin fibers, in particular human hair9 Apr 2026US 2026/0096976 A1Dr. Kurt Wolff GmbH & Co. KG
- Compositions containing bis-ethylhexyloxyphenol methoxyphenyl triazine and at least one booster19 Jun 2025US 2025/0195362 A1L'oreal
- Agent for oxidatively dyeing keratin fibers, containing at least one oxidation dye precursor of the developer type and isatin23 Jan 2025US 2025/0025399 A1Henkel AG & Co. KGaA
Most cited
By later US patents
- Method for dyeing keratin fibres with oxidation dye precursors and direct powder dyes38US 6,190,421 B1L'oreal · 2001
- Dyeing composition containing halogenated 2-nitroanilines36US 4,845,293 AL'oreal · 1989
- Permanent wave agent composition having dyeing effect and method for dyeing hair using the same33US 6,863,883 B1Henkel Lion Cosmetics Co. Ltd. · 2005
- Skin protection lotion26US 5,126,136 A1992
- Meta-phenylenediamine coupler compounds and oxidative hair dye compositions and methods using same22US 4,566,876 AClairol Incorporated · 1986