C08F 6/00
Post-polymerisation treatments
Official title: Post-polymerisation treatments (C08F8/00 takes precedence; of conjugated diene rubbers C08C)
C08F6/00 (Post-polymerisation treatments) appears on 2,230 US grants and 1,833 published applications in this corpus.
Search patents in C08F- Granted patents
- 2,230
- Published applications
- 1,833
- Assignees
- 740
- Inventors
- 5,350
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 28 | 0 |
| 1978 | 41 | 0 |
| 1979 | 34 | 0 |
| 1980 | 56 | 0 |
| 1981 | 40 | 0 |
| 1982 | 26 | 0 |
| 1983 | 35 | 0 |
| 1984 | 25 | 0 |
| 1985 | 37 | 0 |
| 1986 | 26 | 0 |
| 1987 | 33 | 0 |
| 1988 | 29 | 0 |
| 1989 | 33 | 0 |
| 1990 | 33 | 0 |
| 1991 | 20 | 0 |
| 1992 | 30 | 0 |
| 1993 | 36 | 0 |
| 1994 | 37 | 0 |
| 1995 | 33 | 0 |
| 1996 | 28 | 0 |
| 1997 | 28 | 0 |
| 1998 | 37 | 0 |
| 1999 | 26 | 0 |
| 2000 | 36 | 0 |
| 2001 | 48 | 9 |
| 2002 | 51 | 41 |
| 2003 | 43 | 55 |
| 2004 | 51 | 72 |
| 2005 | 36 | 69 |
| 2006 | 39 | 69 |
| 2007 | 45 | 76 |
| 2008 | 37 | 70 |
| 2009 | 41 | 68 |
| 2010 | 71 | 69 |
| 2011 | 49 | 80 |
| 2012 | 48 | 61 |
| 2013 | 77 | 78 |
| 2014 | 52 | 61 |
| 2015 | 65 | 68 |
| 2016 | 63 | 65 |
| 2017 | 70 | 80 |
| 2018 | 62 | 89 |
| 2019 | 52 | 87 |
| 2020 | 76 | 88 |
| 2021 | 80 | 97 |
| 2022 | 54 | 102 |
| 2023 | 59 | 69 |
| 2024 | 56 | 72 |
| 2025 | 61 | 67 |
| 2026 | 34 | 71 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08F 6/001Removal of residual monomers by physical means745
- C08F 6/14Treatment of polymer emulsions416
- C08F 6/02Neutralisation of the polymerisation mass374
- C08F 6/06Treatment of polymer solutions358
- C08F 6/006Removal of residual monomers by chemical reaction199
- C08F 6/008Treatment of solid polymer wetted by water or organic solvents198
- C08F 6/26Treatment of polymers prepared in bulk also solid polymers or polymer melts154
- C08F 6/24Treatment of polymer suspensions95
All 9 subgroupsShow fewer
Recent patents
- Method for preparing polymer polyol22 Sep 2026US 12,742,027 B2Korea Kumho Petrochemical Co., Ltd.
- Ethylene-vinyl alcohol copolymer and aqueous solution using same22 Sep 2026US 12,742,029 B2Kuraray Co., Ltd.
- Process for polymerizing molecular-weight controlled polymer8 Sep 2026US 12,729,255 B2Korea Research Institute of Chemical Technology
- Polymerization process and arrangement1 Sep 2026US 12,723,107 B2Borealis AG
- Method for producing α-olefin18 Aug 2026US 12,709,656 B2Idemitsu Kosan Co., Ltd.
- Method for producing polymers with low residual acrylamide and application thereof8 Oct 2026US 2026/0308285 A1Bl Technologies, Inc.
- Methods for the synthesis of polymers and polymers obtained thereof24 Sep 2026US 2026/0286015 A1Synkotech Biocompatible Materials, S.L.
- Solution-Based Synthesis of Chalcogenide Polymers24 Sep 2026US 2026/0286031 A1The Government of the United States of America, as represented by the Secretary of the Navy
- A multi-stage devolatilization apparatus comprising at least one static mixer17 Sep 2026US 2026/0273438 A1Sulzer Management AG
- Method for Producing Copolymer Having Improved Oil Retainability27 Aug 2026US 2026/0250429 A1Kuraray Co., Ltd.
Most cited
By later US patents
- High solids slurry polymerization532US 6,239,235 B1Phillips Petroleum Company · 2001
- Diluent and inert gas recovery from a polymerization process501US 4,501,885 APhillips Petroleum Company · 1985
- Process and apparatus for separating diluents from solid polymers utilizing a two-stage flash and a cyclone separator494US 5,575,979 APhillips Petroleum Company · 1996
- Diluent slip stream to give catalyst wetting agent491US 6,262,191 B1Phillips Petroleum Company · 2001
- Continuous slurry polymerization process and appparatus462US 6,833,415 B2ExxonMobil Chemical Patents Inc. · 2004