A61K 8/8176
Homopolymers of n-vinyl-pyrrolidones. compositions of derivatives of such polymers
Official title: {Homopolymers of N-vinyl-pyrrolidones. Compositions of derivatives of such polymers}
A61K8/8176 (Homopolymers of n-vinyl-pyrrolidones. compositions of derivatives of such polymers) appears on 597 US grants and 851 published applications in this corpus.
Search patents in A61K- Granted patents
- 597
- Published applications
- 851
- Assignees
- 295
- Inventors
- 1,609
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 12 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 11 | 0 |
| 1998 | 18 | 0 |
| 1999 | 16 | 0 |
| 2000 | 14 | 0 |
| 2001 | 20 | 9 |
| 2002 | 10 | 19 |
| 2003 | 12 | 29 |
| 2004 | 8 | 23 |
| 2005 | 8 | 41 |
| 2006 | 8 | 27 |
| 2007 | 5 | 26 |
| 2008 | 8 | 32 |
| 2009 | 6 | 17 |
| 2010 | 8 | 18 |
| 2011 | 6 | 21 |
| 2012 | 11 | 25 |
| 2013 | 17 | 31 |
| 2014 | 22 | 24 |
| 2015 | 16 | 38 |
| 2016 | 20 | 36 |
| 2017 | 19 | 51 |
| 2018 | 27 | 68 |
| 2019 | 30 | 55 |
| 2020 | 46 | 54 |
| 2021 | 23 | 50 |
| 2022 | 29 | 66 |
| 2023 | 34 | 32 |
| 2024 | 30 | 30 |
| 2025 | 21 | 17 |
| 2026 | 14 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Aqueous composition for body17 Sep 2026US 2026/0272813 A1Kao Corporation
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- Oral Care Compositions13 Aug 2026US 2026/0232549 A1Colgate-Palmolive Company
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Most cited
By later US patents
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- Foaming cleansing products236US 5,635,469 AThe Procter & Gamble Company · 1997
- Fast dissolving orally comsumable films222US 6,596,298 B2Warner-Lambert Company · 2003
- Water soluble film for oral administration with instant wettability189US 6,177,096 B1LTS Lohmann Therapie-Systeme AG · 2001
- Tooth whitening compositions155US 6,221,341 B1Oraceutical LLC · 2001