C08F 6/001
Removal of residual monomers by physical means
Official title: {Removal of residual monomers by physical means}
C08F6/001 (Removal of residual monomers by physical means) appears on 745 US grants and 648 published applications in this corpus.
Search patents in C08F- Granted patents
- 745
- Published applications
- 648
- Assignees
- 296
- Inventors
- 1,859
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 18 | 0 |
| 1981 | 11 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 10 | 0 |
| 1994 | 10 | 0 |
| 1995 | 11 | 0 |
| 1996 | 12 | 0 |
| 1997 | 10 | 0 |
| 1998 | 18 | 0 |
| 1999 | 8 | 0 |
| 2000 | 16 | 0 |
| 2001 | 26 | 5 |
| 2002 | 22 | 15 |
| 2003 | 17 | 29 |
| 2004 | 17 | 24 |
| 2005 | 12 | 25 |
| 2006 | 18 | 13 |
| 2007 | 13 | 26 |
| 2008 | 20 | 27 |
| 2009 | 16 | 19 |
| 2010 | 15 | 22 |
| 2011 | 18 | 34 |
| 2012 | 19 | 26 |
| 2013 | 37 | 33 |
| 2014 | 21 | 23 |
| 2015 | 29 | 28 |
| 2016 | 26 | 29 |
| 2017 | 32 | 25 |
| 2018 | 21 | 36 |
| 2019 | 18 | 27 |
| 2020 | 36 | 31 |
| 2021 | 31 | 33 |
| 2022 | 16 | 31 |
| 2023 | 16 | 28 |
| 2024 | 22 | 31 |
| 2025 | 20 | 12 |
| 2026 | 12 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing α-olefin18 Aug 2026US 12,709,656 B2Idemitsu Kosan Co., Ltd.
- Process for producing a thermoplastic moulding compound comprising a thermoplastic copolymer A and a graft copolymer B4 Aug 2026US 12,698,351 B2Ineos Styrolution Group GmbH
- Process for deodorization of recycled polyolefin pellets16 Jun 2026US 12,654,361 B2Alpla Werke Alwin Lehner GmbH & Co. KG
- Deodorization apparatus and method16 Jun 2026US 12,654,362 B2Piovan S.P.A.
- Processes for venting olefin polymerization systems16 Jun 2026US 12,655,235 B2ExxonMobil Chemical Patents Inc.
- A multi-stage devolatilization apparatus comprising at least one static mixer17 Sep 2026US 2026/0273438 A1Sulzer Management AG
- Process and apparatus for the preparation of highly reactive polyisobutylene27 Aug 2026US 2026/0250436 A1Hindustan Petroleum Corporation Limited
- Ethylene / propylene recycle through copolymer polypropylene gas phase reactor system increasing monomer efficiency13 Aug 2026US 2026/0234296 A1Braskem America, Inc.
- Process6 Aug 2026US 2026/0226208 A1Ineos Europe AG
- Method for producing fluoropolymer30 Jul 2026US 2026/0217871 A1Daikin Industries, 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