C08F 2/00
Processes of polymerisation
C08F2/00 (Processes of polymerisation) appears on 9,547 US grants and 10,016 published applications in this corpus.
Search patents in C08F- Granted patents
- 9,547
- Published applications
- 10,016
- Assignees
- 2,565
- Inventors
- 21,822
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 103 | 0 |
| 1977 | 92 | 0 |
| 1978 | 103 | 0 |
| 1979 | 61 | 0 |
| 1980 | 81 | 0 |
| 1981 | 99 | 0 |
| 1982 | 79 | 0 |
| 1983 | 96 | 0 |
| 1984 | 86 | 0 |
| 1985 | 122 | 0 |
| 1986 | 77 | 0 |
| 1987 | 80 | 0 |
| 1988 | 75 | 0 |
| 1989 | 96 | 0 |
| 1990 | 95 | 0 |
| 1991 | 93 | 0 |
| 1992 | 95 | 0 |
| 1993 | 118 | 0 |
| 1994 | 109 | 0 |
| 1995 | 113 | 0 |
| 1996 | 96 | 0 |
| 1997 | 104 | 0 |
| 1998 | 149 | 0 |
| 1999 | 118 | 0 |
| 2000 | 134 | 0 |
| 2001 | 143 | 30 |
| 2002 | 161 | 134 |
| 2003 | 142 | 179 |
| 2004 | 137 | 211 |
| 2005 | 124 | 195 |
| 2006 | 97 | 184 |
| 2007 | 110 | 186 |
| 2008 | 89 | 229 |
| 2009 | 101 | 247 |
| 2010 | 151 | 373 |
| 2011 | 157 | 311 |
| 2012 | 193 | 314 |
| 2013 | 226 | 327 |
| 2014 | 285 | 331 |
| 2015 | 293 | 380 |
| 2016 | 348 | 393 |
| 2017 | 345 | 473 |
| 2018 | 312 | 610 |
| 2019 | 415 | 651 |
| 2020 | 506 | 740 |
| 2021 | 536 | 758 |
| 2022 | 531 | 756 |
| 2023 | 481 | 634 |
| 2024 | 473 | 553 |
| 2025 | 447 | 491 |
| 2026 | 270 | 326 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08F 2/46Polymerisation initiated by wave energy or particle radiation2,641
- C08F 2/12Polymerisation in non-solvents2,379
- C08F 2/38Polymerisation using regulators1,434
- C08F 2/44Polymerisation in the presence of compounding ingredients1,267
- C08F 2/04Polymerisation in solution1,156
- C08F 2/01Processes of polymerisation: characterised by special features of the polymerisation apparatus used676
- C08F 2/001Multistage polymerisation processes characterised by a change in reactor conditions without deactivating459
- C08F 2/32Polymerisation in water-in-oil emulsions386
All 15 subgroupsShow fewer
- C08F 2/34Polymerisation in gaseous state337
- C08F 2/002Scale prevention in a polymerisation reactor or its auxiliary parts317
- C08F 2/02Polymerisation in bulk226
- C08F 2/60Polymerisation by the diene synthesis43
- C08F 2/58Polymerisation initiated by direct application of electric current30
- C08F 2/008Cleaning reaction vessels using chemicals18
- C08F 2/36Polymerisation in solid state9
Recent patents
- Continuous polymerization reactor for super absorbent polymer and continuous polymerization reaction system6 Oct 2026US 12,753,249 B2LG Chem.Ltd.
- Olefin-based polymer and method for preparing same6 Oct 2026US 12,753,253 B2Hanwha Solutions Corporation
- Acrylic rubber, rubber composition and rubber crosslinked product6 Oct 2026US 12,753,258 B2Zeon Corporation
- Thermoplastic resin composition6 Oct 2026US 12,753,300 B2LG Chem.Ltd.
- 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.
- Storage and/or transport of ethylenically unsaturated carboxylic acids8 Oct 2026US 2026/0308099 A1BASF SE
- Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds8 Oct 2026US 2026/0308284 A1Dow Global Technologies LLC
- A biobased radical curable composition for forming solid objects8 Oct 2026US 2026/0308289 A1Allnex Belgium S.A.
- High dart impact and tear films from titanium based prepolymer catalyzed polyethylenes8 Oct 2026US 2026/0308292 A1Formosa Plastics Corporation, U. S. A
- Actinically-curable compositions having high dimensional accuracy8 Oct 2026US 2026/0308298 A1Arkema France
Most cited
By later US patents
- Device for priming for improved adherence of gels to substrates1,210US 5,749,968 AFocal, Inc. · 1998
- Thin-unit-wet absorbent foam materials for aqueous body fluids and process for making same1,130US 5,387,207 AThe Procter & Gamble Company · 1995
- Absorbent foam materials for aqueous body fluids and absorbent articles containing such materials745US 5,260,345 AThe Procter & Gamble Company · 1993
- Conductive composite particles and processes for the preparation thereof509US 5,236,629 AXerox Corporation · 1993
- Diluent slip stream to give catalyst wetting agent491US 6,262,191 B1Phillips Petroleum Company · 2001