C08G 65/46
Post-polymerisation treatment
Official title: Post-polymerisation treatment, e.g. recovery, purification, drying
C08G65/46 (Post-polymerisation treatment) appears on 236 US grants and 197 published applications in this corpus.
Search patents in C08G- Granted patents
- 236
- Published applications
- 197
- Assignees
- 109
- Inventors
- 569
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 10 | 0 |
| 1979 | 6 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 1 |
| 2002 | 9 | 6 |
| 2003 | 5 | 6 |
| 2004 | 3 | 5 |
| 2005 | 5 | 12 |
| 2006 | 5 | 3 |
| 2007 | 10 | 9 |
| 2008 | 4 | 14 |
| 2009 | 4 | 3 |
| 2010 | 5 | 7 |
| 2011 | 4 | 11 |
| 2012 | 6 | 4 |
| 2013 | 8 | 8 |
| 2014 | 8 | 7 |
| 2015 | 6 | 4 |
| 2016 | 3 | 8 |
| 2017 | 6 | 6 |
| 2018 | 7 | 8 |
| 2019 | 3 | 8 |
| 2020 | 11 | 14 |
| 2021 | 7 | 10 |
| 2022 | 5 | 12 |
| 2023 | 4 | 8 |
| 2024 | 10 | 14 |
| 2025 | 6 | 5 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preparing polyphenylene oxide22 Sep 2026US 12,742,043 B2LG Chem.Ltd.
- Reinforced PAEK compositions comprising recylced carbon fibers25 Aug 2026US 12,715,961 B2Syensqo Specialty Polymers USA, LLC
- Method for fabricating a thermoplastic composite structure18 Aug 2026US 12,709,660 B2Cytec Industries Inc.
- Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium9 Jun 2026US 12,649,825 B2Resonac Corporation
- Polyphenylene ether melt extrusion formed body and method for producing polyphenylene ether melt extrusion formed body31 Mar 2026US 12,590,182 B2TOYOBO MC Corporation
- Selenium-containing hyperbranched polymer (hbp), and preparation method and application thereof25 Jun 2026US 2026/0174794 A1Hangzhou Normal University
- Method of producing polyether compound, method of producing polyether compound containing reactive silicon group, method of producing polyether compound having urethane bond, and method of producing polyether compound containing polymerizable unsaturated group30 Apr 2026US 2026/0117023 A1AGC Inc.
- Liquid phase extraction of tritiated and radiation-generated impurities from organic and organosilicon oils23 Apr 2026US 2026/0109815 A1Battelle Savannah River Alliance, LLC
- Method for synthesizing polyphenylene ether15 Jan 2026US 2026/0015459 A1Chem Tech Solutions, LLC
- Method for extracting fluorine-containing ether compound24 Jul 2025US 2025/0236579 A1AGC Inc.
Most cited
By later US patents
- Method for isolating polymer resin from solution slurries45US 6,316,592 B1General Electric Company · 2001
- Low odor polyphenylene ether/polystyrene process39US 4,994,217 AGeneral Electric Company · 1991
- Melt processible polyether ether ketone polymer35US 6,566,484 B2Gharda Chemicals Limited · 2003
- High flow polyphenylene ether formulations35US 6,576,700 B2General Electric Company · 2003
- Melt processible polyether ether ketone polymer34US 6,881,816 B2Gharda Chemicals Limited · 2005