C08F 220/06
Acrylic acid
Official title: Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
C08F220/06 (Acrylic acid) appears on 1,834 US grants and 2,453 published applications in this corpus.
Search patents in C08F- Granted patents
- 1,834
- Published applications
- 2,453
- Assignees
- 799
- Inventors
- 5,716
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 13 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 11 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 11 | 0 |
| 2001 | 11 | 3 |
| 2002 | 12 | 13 |
| 2003 | 14 | 12 |
| 2004 | 9 | 21 |
| 2005 | 14 | 24 |
| 2006 | 14 | 41 |
| 2007 | 21 | 87 |
| 2008 | 24 | 69 |
| 2009 | 20 | 88 |
| 2010 | 48 | 117 |
| 2011 | 61 | 138 |
| 2012 | 69 | 128 |
| 2013 | 90 | 109 |
| 2014 | 114 | 112 |
| 2015 | 82 | 97 |
| 2016 | 87 | 104 |
| 2017 | 88 | 107 |
| 2018 | 85 | 114 |
| 2019 | 77 | 134 |
| 2020 | 102 | 176 |
| 2021 | 111 | 185 |
| 2022 | 97 | 165 |
| 2023 | 107 | 146 |
| 2024 | 125 | 115 |
| 2025 | 97 | 86 |
| 2026 | 69 | 62 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Super absorbent polymer and preparation method thereof6 Oct 2026US 12,752,254 B2LG Chem.Ltd.
- Preparation method of superabsorbent polymer6 Oct 2026US 12,752,255 B2LG Chem.Ltd.
- Super absorbent polymer29 Sep 2026US 12,746,530 B2LG Chem.Ltd.
- Resin composition comprising thermoplastic plastomer and hollow resin particles and molded product thereof22 Sep 2026US 12,742,070 B2Zeon Corporation
- Preparation method for superabsorbent polymer8 Sep 2026US 12,728,402 B2LG Chem.Ltd.
- Hydroxyl-modified binder and preparation method thereof, and secondary battery8 Oct 2026US 2026/0312057 A1Ningde Amperex Technology Limited
- Method for manufacturing crosslinked polymer or salt thereof1 Oct 2026US 2026/0297232 A1Toagosei Co., Ltd.
- Binder for non-aqueous electrolyte secondary battery electrodes1 Oct 2026US 2026/0302241 A1Panasonic Energy Co., Ltd.
- Method of making water-soluble polymers for use as shale encapsulators for drilling fluids24 Sep 2026US 2026/0286026 A1BASF SE
- Surfactant free dispersing agent24 Sep 2026US 2026/0286027 A1Organik Kimya Sanayi Ve Tic. A.S.
Most cited
By later US patents
- Water-swellable copolymers and articles and coatings made therefrom1,443US 7,935,773 B2Tyco Healthcare Group LP · 2011
- Photoresist cross-linker and photoresist composition comprising the same474US 6,368,773 B1Hyundai Electronics Industries Co., Ltd. · 2002
- Water thickening agents consisting of copolymers of crosslinked acrylic acids and esters386US 4,509,949 AThe B. F. Goodrich Company · 1985
- Absorbent resin composition and process for producing same358US 4,286,082 ANippon Shokubai Kagaku Kogyo Co., Ltd. · 1981
- Intraluminal stent having coaxial polymer member297US 6,530,950 B1Quanam Medical Corporation · 2003