C08F 220/44
Acrylonitrile
C08F220/44 (Acrylonitrile) appears on 368 US grants and 416 published applications in this corpus.
Search patents in C08F- Granted patents
- 368
- Published applications
- 416
- Assignees
- 231
- Inventors
- 1,249
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 14 | 0 |
| 1978 | 12 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 3 | 1 |
| 2003 | 2 | 2 |
| 2004 | 2 | 4 |
| 2005 | 1 | 4 |
| 2006 | 6 | 4 |
| 2007 | 0 | 5 |
| 2008 | 2 | 13 |
| 2009 | 1 | 5 |
| 2010 | 4 | 16 |
| 2011 | 5 | 8 |
| 2012 | 4 | 4 |
| 2013 | 7 | 11 |
| 2014 | 3 | 13 |
| 2015 | 10 | 12 |
| 2016 | 7 | 12 |
| 2017 | 16 | 18 |
| 2018 | 14 | 24 |
| 2019 | 13 | 44 |
| 2020 | 20 | 35 |
| 2021 | 33 | 38 |
| 2022 | 29 | 34 |
| 2023 | 23 | 51 |
| 2024 | 27 | 23 |
| 2025 | 24 | 21 |
| 2026 | 20 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Binder composition for non-aqueous secondary battery electrode, slurry composition for non-aqueous secondary battery electrode, electrode for non-aqueous secondary battery, and non-aqueous secondary battery15 Sep 2026US 12,738,501 B2Zeon Corporation
- Matting polymer composition having excellent weather resistance and impact resistance, and matte sheet including the same11 Aug 2026US 12,703,766 B2Hannanotech Co., Ltd.
- Method for preparing polymer4 Aug 2026US 12,698,354 B2LG Chem.Ltd.
- Thermoplastic resin composition, method of preparing the same, and molded article including the same4 Aug 2026US 12,698,387 B2LG Chem.Ltd.
- Method of preparing polymer28 Jul 2026US 12,692,331 B2LG Chem.Ltd.
- Dispersant for power storage device positive electrode8 Oct 2026US 2026/0308297 A1Kao Corporation
- Binder and preparation method thereof, battery, and power-consuming device3 Sep 2026US 2026/0260891 A1Huawei Technologies Co., Ltd.
- Amino-group-containing fiber, method of producing amino-group-containing fiber, product using amino-group-containing fiber, formed body, carbon dioxide sorbent including formed body, method of using carbon dioxide sorbent, and carbon dioxide separation/capture device30 Jul 2026US 2026/0216697 A1Toyobo Co., Ltd.
- Copolymer rubber, rubber composition, and crosslinked rubber30 Jul 2026US 2026/0217953 A1Zeon Corporation
- Binder composition for secondary battery23 Jul 2026US 2026/0208476 A1Grst Singapore Pte. Ltd.
Most cited
By later US patents
- Cold sealable cohesive polymer coated polyolefin substrate106US 5,486,426 AMobil Oil Corporation · 1996
- Method for producing a spherical acrylonitrile crosslinked copolymer43US 5,314,974 AMitsubishi Kasei Corporation · 1994
- Heat-expandable microcapsules, process for producing the same, and method of utilizing the same41US 6,235,394 B1Matsumoto Yushi-Seiyaku Co., Ltd. · 2001
- Coating composition34US 4,064,092 AThe Goodyear Tire & Rubber Company · 1977
- Toner and method for producing toner33US 10,732,530 B2Canon Kabushiki Kaisha · 2020