A61Q 5/08
Preparations for bleaching the hair
A61Q5/08 (Preparations for bleaching the hair) appears on 697 US grants and 927 published applications in this corpus.
Search patents in A61Q- Granted patents
- 697
- Published applications
- 927
- Assignees
- 191
- Inventors
- 1,323
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 17 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 25 | 7 |
| 2002 | 14 | 23 |
| 2003 | 9 | 45 |
| 2004 | 9 | 39 |
| 2005 | 11 | 43 |
| 2006 | 22 | 39 |
| 2007 | 19 | 29 |
| 2008 | 11 | 20 |
| 2009 | 15 | 32 |
| 2010 | 20 | 30 |
| 2011 | 31 | 39 |
| 2012 | 32 | 46 |
| 2013 | 25 | 40 |
| 2014 | 30 | 36 |
| 2015 | 21 | 35 |
| 2016 | 20 | 44 |
| 2017 | 24 | 45 |
| 2018 | 30 | 50 |
| 2019 | 17 | 42 |
| 2020 | 29 | 38 |
| 2021 | 53 | 43 |
| 2022 | 37 | 37 |
| 2023 | 22 | 36 |
| 2024 | 14 | 36 |
| 2025 | 17 | 31 |
| 2026 | 11 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stabilization of thiopyridinone compound and yellowing reduction of composition comprising same29 Sep 2026US 12,746,191 B2L'oreal
- Aqueous oxidative composition comprising xanthine derivatives8 Sep 2026US 12,728,082 B2Kao Corporation
- Hair colorant compositions21 Jul 2026US 12,685,705 B2
- Composition for the simultaneous bleaching and dyeing of keratin fibres and process employing this composition9 Jun 2026US 12,648,897 B2L'oreal
- Method for the treatment of keratin materials using acid, ester or amide C-glycoside derivatives, and cosmetic composition containing same21 Apr 2026US 12,606,534 B2L'oreal
- Bleaching medium containing a photosensitizer1 Oct 2026US 2026/0294760 A1Wella Germany GmbH
- Composition for lightening keratin fibres and process for lightening keratin fibres using said composition3 Sep 2026US 2026/0256664 A1L'oreal
- Process for removing the colour from previously dyed keratinous hair fibres27 Aug 2026US 2026/0248268 A1L'oreal
- Composition comprising a peroxygenated salt, a hydrocarbon with a melting point greater than or equal to 85°c, and at least 10% fatty substance27 Aug 2026US 2026/0248696 A1L'oreal
- Composition comprising a peroxygenated salt, an associative polymer, a non-associative polysaccharide and a hydrocarbon with a melting point greater than 25°c27 Aug 2026US 2026/0248697 A1L'oreal
Most cited
By later US patents
- Quaternized polymer for use as a cosmetic agent in cosmetic compositions for the hair and skin301US 4,217,914 AL'oreal · 1980
- Hair dyeing compositions containing quaternized polymer234US 4,422,853 AL'oreal · 1983
- Cosmetic composition containing cationic polymers and anionic latexes177US 4,710,374 AL'oreal · 1987
- Process for preparing stable oil-in-water emulsions148US 4,254,104 AShiseido Company, Ltd. · 1981
- Quaternized polymer for use as a cosmetic agent in cosmetic compositions for the hair and skin140US 5,196,189 ASociete Anonyme dite: L'Oreal · 1993