A61K 8/8117
Homopolymers or copolymers of aromatic olefines
Official title: {Homopolymers or copolymers of aromatic olefines, e.g. polystyrene; Compositions of derivatives of such polymers}
A61K8/8117 (Homopolymers or copolymers of aromatic olefines) appears on 294 US grants and 406 published applications in this corpus.
Search patents in A61K- Granted patents
- 294
- Published applications
- 406
- Assignees
- 170
- Inventors
- 990
- Latest grant
- 22 Sep 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 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 2 |
| 2002 | 8 | 9 |
| 2003 | 4 | 13 |
| 2004 | 3 | 10 |
| 2005 | 3 | 13 |
| 2006 | 2 | 7 |
| 2007 | 1 | 24 |
| 2008 | 2 | 12 |
| 2009 | 3 | 20 |
| 2010 | 8 | 13 |
| 2011 | 4 | 9 |
| 2012 | 4 | 14 |
| 2013 | 10 | 14 |
| 2014 | 19 | 18 |
| 2015 | 12 | 26 |
| 2016 | 11 | 21 |
| 2017 | 8 | 22 |
| 2018 | 17 | 26 |
| 2019 | 10 | 34 |
| 2020 | 20 | 33 |
| 2021 | 17 | 27 |
| 2022 | 15 | 21 |
| 2023 | 10 | 11 |
| 2024 | 7 | 3 |
| 2025 | 8 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aqueous emulsion based antiperspirant formulation22 Sep 2026US 12,740,934 B2Dow Global Technologies LLC
- Cosmetic composition for lips with improved glossiness and degree of color smudging9 Dec 2025US 12,491,149 B2LG Household & Health Care Ltd.
- Oral hygiene compositions for preventing the formation of oral biofilms and process for preparing the same4 Nov 2025US 12,458,584 B2ISP Investments Inc.
- Cosmetic composition for eyelashes8 Jul 2025US 12,350,363 B2L'oreal
- Compositions and methods for improving the appearance of the skin17 Jun 2025US 12,329,848 B2L'oreal
- Aqueous liquid cosmetic3 Sep 2026US 2026/0256677 A1Mitsubishi Pencil Company, Limited
- Cosmetic composition containing microneedles of polymer29 Jan 2026US 2026/0027034 A1Jntl Consumer Health Kabushiki Kaisha
- Method and system for removing makeup10 Apr 2025US 2025/0114292 A1L'oreal
- Oil-in-water emulsions containing unalkoxylated wax and latex3 Apr 2025US 2025/0107972 A1L'oreal
- Sunscreen composition, use of the sunscreen composition and process of manufacturing the sunscreen composition12 Sep 2024US 2024/0299280 A1L'oreal
Most cited
By later US patents
- Composition and process for the treatment of keratin materials with polymers260US 4,240,450 AL'oreal · 1980
- Shaving system174US 5,113,585 AThe Gillette Company · 1992
- Thickened or gelled composition for conditioning hair164US 4,591,610 AL'oreal · 1986
- Composition in the form of an aerosol foam, based on a cationic polymer and an anionic polymer164US 4,761,273 AL'oreal · 1988
- Composition and process for the treatment of keratin materials with polymers147US 4,445,521 AL'oreal · 1984