C09K 17/22
Polyacrylates
Official title: Polyacrylates; Polymethacrylates
C09K17/22 (Polyacrylates) appears on 77 US grants and 80 published applications in this corpus.
Search patents in C09K- Granted patents
- 77
- Published applications
- 80
- Assignees
- 63
- Inventors
- 178
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 2 | 4 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 3 | 3 |
| 2011 | 4 | 6 |
| 2012 | 2 | 0 |
| 2013 | 1 | 3 |
| 2014 | 1 | 7 |
| 2015 | 3 | 5 |
| 2016 | 3 | 5 |
| 2017 | 1 | 2 |
| 2018 | 4 | 4 |
| 2019 | 1 | 3 |
| 2020 | 3 | 3 |
| 2021 | 1 | 7 |
| 2022 | 1 | 4 |
| 2023 | 2 | 6 |
| 2024 | 6 | 5 |
| 2025 | 2 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for installing chemical polymer deep soil stabilization columns and sand columns2 Jun 2026US 12,644,049 B2Saudi Arabian Oil Company
- Fertilizer composition for reducing methane gas emission comprising ethephon and uses thereof19 May 2026US 12,630,765 B2Industry-Academic Cooperation Foundation Gyeongsang National University
- Composite for enabling sandy soil to have water retention and nutrient retention capabilities, water-retaining agent, and its preparation method and use thereof27 Jan 2026US 12,534,668 B2
- Polymer powder compositions which can be redispersed in water26 Aug 2025US 12,398,323 B2Wacker Chemie AG
- Water-absorbing resin and water-blocking material8 Apr 2025US 12,269,010 B2Sumitomo Seika Chemicals Co., Ltd.
- Composite for enabling sandy soil to have water retention and nutrient retention capabilities, water-retaining agent, and its preparation method and use thereof12 Jun 2025US 2025/0188350 A1
- Sand Stabilizer3 Apr 2025US 2025/0109333 A1Hygt Chemical LLC
- Drift reduction adjuvants and methods of using the same31 Oct 2024US 2024/0358012 A1WinField Solutions, LLC
- Method of making high perofrmance polymer aerogel absorbent for water retention in sandy soil3 Oct 2024US 2024/0327595 A1Alfaisal University
- Method for installing chemical polymer deep soil stabilization columns and sand columns8 Aug 2024US 2024/0263073 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Disposable absorbent articles containing particulate, free-flowing, insoluble swellable polymers87US 4,058,124 AUnion Carbide Corporation · 1977
- Method for desalination and rehabilitation of irrigated soil83US 4,687,505 A1987
- Production of hydrogels82US 4,367,323 ASumitomo Chemical Company, Limited · 1983
- Method for soil stabilization and fugitive dust control56US 4,592,931 AExxon Research & Engineering Co. · 1986
- Earth support fluid composition and method for its use42US 5,407,909 AKB Technologies, Ltd. · 1995