C08F 220/00
Copolymers of compounds having one or more unsaturated aliphatic radicals, each having
Official title: Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
C08F220/00 (Copolymers of compounds having one or more unsaturated aliphatic radicals, each having) appears on 10,983 US grants and 13,505 published applications in this corpus.
Search patents in C08F- Granted patents
- 10,983
- Published applications
- 13,505
- Assignees
- 2,892
- Inventors
- 25,768
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 75 | 0 |
| 1977 | 71 | 0 |
| 1978 | 64 | 0 |
| 1979 | 57 | 0 |
| 1980 | 57 | 0 |
| 1981 | 43 | 0 |
| 1982 | 45 | 0 |
| 1983 | 43 | 0 |
| 1984 | 47 | 0 |
| 1985 | 85 | 0 |
| 1986 | 56 | 0 |
| 1987 | 84 | 0 |
| 1988 | 70 | 0 |
| 1989 | 68 | 0 |
| 1990 | 94 | 0 |
| 1991 | 95 | 0 |
| 1992 | 106 | 0 |
| 1993 | 109 | 0 |
| 1994 | 87 | 0 |
| 1995 | 84 | 0 |
| 1996 | 100 | 0 |
| 1997 | 123 | 0 |
| 1998 | 98 | 0 |
| 1999 | 95 | 0 |
| 2000 | 112 | 0 |
| 2001 | 153 | 47 |
| 2002 | 150 | 134 |
| 2003 | 134 | 179 |
| 2004 | 112 | 143 |
| 2005 | 96 | 185 |
| 2006 | 107 | 251 |
| 2007 | 105 | 288 |
| 2008 | 117 | 298 |
| 2009 | 108 | 354 |
| 2010 | 217 | 471 |
| 2011 | 238 | 505 |
| 2012 | 269 | 520 |
| 2013 | 352 | 517 |
| 2014 | 422 | 571 |
| 2015 | 438 | 590 |
| 2016 | 502 | 714 |
| 2017 | 500 | 743 |
| 2018 | 543 | 737 |
| 2019 | 535 | 795 |
| 2020 | 617 | 949 |
| 2021 | 591 | 945 |
| 2022 | 565 | 968 |
| 2023 | 619 | 878 |
| 2024 | 600 | 730 |
| 2025 | 559 | 573 |
| 2026 | 366 | 420 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Uncharged clay blocking agent6 Oct 2026US 12,753,119 B2BASF SE
- Fine resin particle, coating film-softening agent, matting agent for paints, stress reliever for curable resins, light diffuser, light diffusing resin composition, and resin composition6 Oct 2026US 12,753,256 B2Sekisui Kasei Co., Ltd.
- Contaminant remediation with functionalized (meth)acrylic polymer or copolymer macroparticulates and systems related thereto6 Oct 2026US 12,753,257 B2Countertrace LLC
- Halogenated Xanthene-Containing Topical Anti-Gram-Positive Bacterial Ophthalmic Composition and Method8 Oct 2026US 2026/0306444 A1Provectus Pharmatech, Inc.
- The method of obtaining polyacrylamide hydrogels through continuous frontal polymerization8 Oct 2026US 2026/0307050 A1Green Evolution Technologies, Inc.
- 5,6,7,8-tetrahydro-1-naphthol-phosphine post-transition metal complexes, preparation method therefor, and use thereof8 Oct 2026US 2026/0308190 A1China Petroleum & Chemical Corporation
- A biobased radical curable composition for forming solid objects8 Oct 2026US 2026/0308289 A1Allnex Belgium S.A.
- Dispersant for power storage device positive electrode8 Oct 2026US 2026/0308297 A1Kao Corporation
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
- Photoresist polymer and photoresist composition containing the same471US 7,279,256 B2Hynix Semiconductor Inc. · 2007
- Photoresist polymer and photoresist composition containing the same471US 7,361,447 B2Hynix Semiconductor Inc. · 2008
- Extended use planar sensors401US 5,518,601 ACiba Corning Diagnostics Corp. · 1996