A61Q 5/04
Preparations for permanent waving or straightening the hair
A61Q5/04 (Preparations for permanent waving or straightening the hair) appears on 860 US grants and 820 published applications in this corpus.
Search patents in A61Q- Granted patents
- 860
- Published applications
- 820
- Assignees
- 277
- Inventors
- 1,655
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 11 | 0 |
| 1978 | 8 | 0 |
| 1979 | 10 | 0 |
| 1980 | 12 | 0 |
| 1981 | 12 | 0 |
| 1982 | 10 | 0 |
| 1983 | 10 | 0 |
| 1984 | 8 | 0 |
| 1985 | 10 | 0 |
| 1986 | 11 | 0 |
| 1987 | 10 | 0 |
| 1988 | 13 | 0 |
| 1989 | 28 | 0 |
| 1990 | 25 | 0 |
| 1991 | 27 | 0 |
| 1992 | 19 | 0 |
| 1993 | 12 | 0 |
| 1994 | 22 | 0 |
| 1995 | 16 | 0 |
| 1996 | 17 | 0 |
| 1997 | 32 | 0 |
| 1998 | 31 | 0 |
| 1999 | 27 | 0 |
| 2000 | 23 | 0 |
| 2001 | 26 | 5 |
| 2002 | 18 | 21 |
| 2003 | 12 | 49 |
| 2004 | 15 | 29 |
| 2005 | 10 | 51 |
| 2006 | 14 | 36 |
| 2007 | 8 | 32 |
| 2008 | 4 | 30 |
| 2009 | 10 | 36 |
| 2010 | 14 | 31 |
| 2011 | 10 | 22 |
| 2012 | 17 | 36 |
| 2013 | 26 | 31 |
| 2014 | 18 | 25 |
| 2015 | 18 | 64 |
| 2016 | 23 | 46 |
| 2017 | 25 | 34 |
| 2018 | 20 | 47 |
| 2019 | 24 | 37 |
| 2020 | 21 | 28 |
| 2021 | 31 | 21 |
| 2022 | 27 | 29 |
| 2023 | 15 | 26 |
| 2024 | 12 | 27 |
| 2025 | 19 | 16 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for permanent waving keratin fibers30 Jun 2026US 12,667,175 B2Kao Germany GmbH
- Hair restructuring association comprising a quaternary ammonium salt and a sulpho-derivative of vegetable fatty acids9 Jun 2026US 12,648,900 B2Greengredients S.r.l.
- Keratin-based hair straightening formulations, methods and systems19 May 2026US 12,629,327 B2Beauty Biolabs LLC
- Chemical membrane complex repair solution and method of using the same6 Jan 2026US 12,514,799 B2Iuveni LLC
- Aqueous oxidizing composition comprising amino acids30 Dec 2025US 12,508,213 B2Kao Corporation
- Hair treatment composition8 Oct 2026US 2026/0306384 A1
- Hair re-forming composition comprising malic acid and a betaine3 Sep 2026US 2026/0256666 A1Wella Germany GmbH
- Keratin bond dissolution for keratin-based adhesive bonds13 Aug 2026US 2026/0232543 A1Ubertas International INC
- Systems and Methods of Altering Hair Texture23 Jul 2026US 2026/0206934 A1
- Cosmetic composition for repairing damaged hair23 Jul 2026US 2026/0207465 A1Daebong Ls, Ltd
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
- Composition and process for the treatment of keratin materials with polymers260US 4,240,450 AL'oreal · 1980
- Treating hair with quaternized polymers252US 4,197,865 AL'oreal · 1980
- Hair dye composition containing quaternized polymers247US 4,381,919 ASociete Anonyme dite: L'Oreal · 1983
- Hair conditioning compositions containing crosslinked polyaminopolyamides244US 4,172,887 AL'oreal · 1979