A61K 8/492
Having condensed rings
Official title: {having condensed rings, e.g. indol}
A61K8/492 (Having condensed rings) appears on 484 US grants and 488 published applications in this corpus.
Search patents in A61K- Granted patents
- 484
- Published applications
- 488
- Assignees
- 212
- Inventors
- 998
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 10 | 0 |
| 1992 | 8 | 0 |
| 1993 | 11 | 0 |
| 1994 | 9 | 0 |
| 1995 | 13 | 0 |
| 1996 | 18 | 0 |
| 1997 | 17 | 0 |
| 1998 | 24 | 0 |
| 1999 | 21 | 0 |
| 2000 | 11 | 0 |
| 2001 | 12 | 7 |
| 2002 | 17 | 27 |
| 2003 | 33 | 35 |
| 2004 | 24 | 25 |
| 2005 | 8 | 18 |
| 2006 | 10 | 17 |
| 2007 | 13 | 14 |
| 2008 | 8 | 6 |
| 2009 | 3 | 13 |
| 2010 | 8 | 18 |
| 2011 | 6 | 14 |
| 2012 | 2 | 13 |
| 2013 | 12 | 14 |
| 2014 | 14 | 20 |
| 2015 | 13 | 14 |
| 2016 | 9 | 22 |
| 2017 | 6 | 21 |
| 2018 | 15 | 16 |
| 2019 | 18 | 16 |
| 2020 | 12 | 28 |
| 2021 | 13 | 23 |
| 2022 | 14 | 31 |
| 2023 | 13 | 20 |
| 2024 | 7 | 15 |
| 2025 | 16 | 26 |
| 2026 | 9 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tooth whitening film, process of manufacturing thereof and a method of using such a film6 Oct 2026US 12,751,906 B2Bsolve Limited
- Cosmetic composition29 Sep 2026US 12,746,193 B2Ajinomoto Co., Inc.
- 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
- Agent for oxidative dyeing of keratin fibers, containing isatin and at least one defined polymer12 May 2026US 12,622,856 B2Henkel AG & Co. KGaA
- Agent for oxidatively dyeing keratin fibers8 Oct 2026US 2026/0306381 A1Henkel AG & Co. KGaA
- Anti-wrinkle agent24 Sep 2026US 2026/0283917 A1Shiseido Company, Ltd.
- Agent for oxidative dyeing of keratin fibers, containing isatin and at least one defined polymer17 Sep 2026US 2026/0272805 A1Henkel AG & Co. KGaA
- Hair dyeing method27 Aug 2026US 2026/0248257 A1L'oreal
- Indigo-based dye with improved stability and improved dyeing properties20 Aug 2026US 2026/0240745 A1Henkel AG & Co. KGaA
Most cited
By later US patents
- Cosmetic composition containing a mixture of metal oxide nanopigments and melanine pigments142US 5,695,747 AL'oreal · 1997
- Method for treatment of acne and/or the effects of ageing using HMG-coenzyme A-reductase inhibitor and compositions for performing the same110US 5,733,558 AL'oreal · 1998
- Hair regeneration compositions for treatment of alopecia and methods of application related thereto83US 6,030,948 A2000
- Tinctorial composition for keratinous fibres containing oxidation dye precursors and aminoindole couplers, methods for dyeing using these compositions and new compounds66US 5,364,414 AL'oreal · 1994
- Process for dyeing keratin-containing fibres with cationic dyes62US 5,733,343 ACiba Specialty Chemicals Corporation · 1998