C08F 8/00
Chemical modification by after-treatment
Official title: Chemical modification by after-treatment (graft polymers, block polymers, crosslinking with unsaturated monomers or with polymers C08F251/00 - C08F299/00; of conjugated diene rubbers C08C)
C08F8/00 (Chemical modification by after-treatment) appears on 10,773 US grants and 7,106 published applications in this corpus.
Search patents in C08F- Granted patents
- 10,773
- Published applications
- 7,106
- Assignees
- 2,686
- Inventors
- 20,103
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 214 | 0 |
| 1977 | 204 | 0 |
| 1978 | 206 | 0 |
| 1979 | 159 | 0 |
| 1980 | 147 | 0 |
| 1981 | 154 | 0 |
| 1982 | 125 | 0 |
| 1983 | 127 | 0 |
| 1984 | 129 | 0 |
| 1985 | 163 | 0 |
| 1986 | 178 | 0 |
| 1987 | 187 | 0 |
| 1988 | 172 | 0 |
| 1989 | 229 | 0 |
| 1990 | 255 | 0 |
| 1991 | 276 | 0 |
| 1992 | 258 | 0 |
| 1993 | 339 | 0 |
| 1994 | 324 | 0 |
| 1995 | 259 | 0 |
| 1996 | 264 | 0 |
| 1997 | 287 | 0 |
| 1998 | 281 | 0 |
| 1999 | 266 | 0 |
| 2000 | 265 | 0 |
| 2001 | 268 | 79 |
| 2002 | 261 | 230 |
| 2003 | 232 | 279 |
| 2004 | 212 | 317 |
| 2005 | 158 | 285 |
| 2006 | 175 | 292 |
| 2007 | 178 | 239 |
| 2008 | 144 | 261 |
| 2009 | 131 | 247 |
| 2010 | 207 | 303 |
| 2011 | 172 | 258 |
| 2012 | 175 | 221 |
| 2013 | 195 | 268 |
| 2014 | 218 | 269 |
| 2015 | 209 | 257 |
| 2016 | 271 | 258 |
| 2017 | 236 | 270 |
| 2018 | 200 | 311 |
| 2019 | 201 | 253 |
| 2020 | 240 | 303 |
| 2021 | 208 | 333 |
| 2022 | 219 | 374 |
| 2023 | 218 | 365 |
| 2024 | 224 | 303 |
| 2025 | 220 | 292 |
| 2026 | 133 | 239 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08F 8/30Introducing nitrogen atoms or nitrogen-containing groups2,775
- C08F 8/44Preparation of metal salts or ammonium salts1,421
- C08F 8/42Introducing metal atoms or metal-containing groups1,104
- C08F 8/12Hydrolysis972
- C08F 8/14Esterification895
- C08F 8/04Reduction849
- C08F 8/18Introducing halogen atoms or halogen-containing groups843
- C08F 8/34Introducing sulfur atoms or sulfur-containing groups825
All 18 subgroupsShow fewer
- C08F 8/48Isomerisation367
- C08F 8/50Partial depolymerisation350
- C08F 8/46Reaction with unsaturated dicarboxylic acids or anhydrides thereof297
- C08F 8/40Introducing phosphorus atoms or phosphorus-containing groups271
- C08F 8/28Condensation with aldehydes or ketones242
- C08F 8/06Oxidation240
- C08F 8/02Alkylation229
- C08F 8/26Removing halogen atoms or halogen-containing groups from the molecule205
- C08F 8/10Acylation143
- C08F 8/08Epoxidation136
Recent patents
- Amination method for polystyrene-type resin, and method for immobilizing enzyme using aminated resin6 Oct 2026US 12,753,250 B2Asymchem Laboratories (Tianjin) Co., Ltd.
- Chlorosulfonated polypropylene carbonate, and production method and use thereof6 Oct 2026US 12,753,278 B2Changchun Institute of Applied Chemistry Chinese Academy of Sciences
- Method for producing C9 hydrogenated resin by reusing thermally polymerized liquid resin29 Sep 2026US 12,747,304 B2Zibo Luhua Hongjin New Material Group Co., Ltd.
- Method of preparing aldehyde-functionalized polymers29 Sep 2026US 12,747,307 B2Ecolab USA Inc.
- Vinyl acetate, vinyl acetate polymer, and vinyl alcohol polymer22 Sep 2026US 12,742,023 B2Kuraray Co., Ltd.
- Polymer dispersion for coating wood for blocking migratable compounds8 Oct 2026US 2026/0308286 A1Arkema France
- Elastic sulfonated styrene diene block copolymers8 Oct 2026US 2026/0308343 A1Rensselaer Polytechnic Institute
- Negative resist composition and method for producing resist pattern8 Oct 2026US 2026/0310078 A1Sumitomo Chemical Company, Limited
- Tyre for vehicle wheel with superior wear resistance and grip1 Oct 2026US 2026/0297303 A1Pirelli Tyre S. P. A.
- Curable composition and cured compositions derived therefrom1 Oct 2026US 2026/0297329 A1Rogers Corporation
Most cited
By later US patents
- Polymeric transition metal complexes and uses thereof1,155US 6,605,200 B1TheraSense, Inc. · 2003
- Transition metal complexes with bidentate ligand having an imidazole ring and sensor constructed therewith1,152US 6,605,201 B1TheraSense, Inc. · 2003
- Novel carboxylic acid acylating agents, derivatives thereof, concentrate and lubricant compositions containing the same, and processes for their preparation764US 4,234,435 AThe Lubrizol Corporation · 1980
- Water absorbing starch resins511US 4,076,663 ASanyo Chemical Industries, Ltd. · 1978
- Aminoplast curable film-forming compositions providing films having resistance to acid etching485US 6,235,858 B1PPG Industries Ohio, Inc. · 2001