A61K 8/8158
Homopolymers or copolymers of amides or imides
Official title: {Homopolymers or copolymers of amides or imides, e.g. (meth) acrylamide; Compositions of derivatives of such polymers}
A61K8/8158 (Homopolymers or copolymers of amides or imides) appears on 1,147 US grants and 1,484 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,147
- Published applications
- 1,484
- Assignees
- 375
- Inventors
- 2,837
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 10 | 0 |
| 1984 | 9 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 17 | 0 |
| 1990 | 9 | 0 |
| 1991 | 12 | 0 |
| 1992 | 11 | 0 |
| 1993 | 7 | 0 |
| 1994 | 14 | 0 |
| 1995 | 6 | 0 |
| 1996 | 15 | 0 |
| 1997 | 41 | 0 |
| 1998 | 54 | 0 |
| 1999 | 43 | 0 |
| 2000 | 44 | 0 |
| 2001 | 38 | 17 |
| 2002 | 36 | 45 |
| 2003 | 37 | 67 |
| 2004 | 17 | 76 |
| 2005 | 19 | 66 |
| 2006 | 27 | 57 |
| 2007 | 20 | 52 |
| 2008 | 18 | 55 |
| 2009 | 21 | 41 |
| 2010 | 26 | 54 |
| 2011 | 28 | 44 |
| 2012 | 24 | 47 |
| 2013 | 26 | 45 |
| 2014 | 31 | 63 |
| 2015 | 32 | 62 |
| 2016 | 38 | 60 |
| 2017 | 32 | 94 |
| 2018 | 45 | 70 |
| 2019 | 27 | 70 |
| 2020 | 48 | 74 |
| 2021 | 49 | 72 |
| 2022 | 57 | 101 |
| 2023 | 28 | 66 |
| 2024 | 36 | 37 |
| 2025 | 30 | 32 |
| 2026 | 16 | 17 |
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
- Oil-in-water emulsified cosmetic25 Aug 2026US 12,714,658 B2L V M H Recherche
- Cosmetic composition in the form of a compact, impact-resistant powder28 Jul 2026US 12,691,042 B2Societe D' Exploitation De Produits Pour Les Industries Chimiques Seppic
- Inverse latex for a cosmetic composition comprising a specific sequestering agent and a polyelectrolyte combining a strong acid function and a weak acid function21 Jul 2026US 12,686,756 B2Societe D' Exploitation De Produits Pour Les Industries Chimiques Seppic
- Halogenated xanthene-containing topical anti-gram-positive bacterial ophthalmic composition and method23 Jun 2026US 12,661,335 B2Provectus Pharmatech, Inc.
- Halogenated Xanthene-Containing Topical Anti-Gram-Positive Bacterial Ophthalmic Composition and Method8 Oct 2026US 2026/0306444 A1Provectus Pharmatech, Inc.
- Hair care composition1 Oct 2026US 2026/0294785 A1Conopco, Inc., d/b/a UNILEVER
- Film Forming Oral Care Compositions And Methods For The Same20 Aug 2026US 2026/0240734 A1Colgate-Palmolive Company
- Oil-in-water composition comprising a hydrophobic polymer13 Aug 2026US 2026/0232545 A1L'oreal
- Compositions including siloxysilicate resin, polyorganosiloxane copolymer and aqueous phase film former30 Jul 2026US 2026/0216011 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
- Cosmetic composition for treating keratin fibres, and process for treating the latter231US 5,089,252 AL'oreal · 1992
- Thickened acidic aqueous compositions using cross-linked dialkylaminoacrylic microparticles202US 5,100,660 AAllied Colloids Limited · 1992
- Compositions for topical delivery of drugs comprising a mixture of high and low HLB surfactants and alkoxylated ether171US 5,614,178 AThe Procter & Gamble Company · 1997
- Thickened or gelled composition for conditioning hair164US 4,591,610 AL'oreal · 1986