C08J 2371/00
Working-up: characterised by the use of polyethers obtained by reactions forming an
Official title: Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
C08J2371/00 (Working-up: characterised by the use of polyethers obtained by reactions forming an) appears on 1,148 US grants and 1,597 published applications in this corpus.
Search patents in C08J- Granted patents
- 1,148
- Published applications
- 1,597
- Assignees
- 779
- Inventors
- 3,886
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 11 | 0 |
| 1988 | 10 | 0 |
| 1989 | 7 | 0 |
| 1990 | 17 | 0 |
| 1991 | 15 | 0 |
| 1992 | 10 | 0 |
| 1993 | 17 | 0 |
| 1994 | 12 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 13 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 6 |
| 2002 | 11 | 16 |
| 2003 | 14 | 13 |
| 2004 | 14 | 29 |
| 2005 | 7 | 30 |
| 2006 | 14 | 37 |
| 2007 | 11 | 41 |
| 2008 | 17 | 36 |
| 2009 | 18 | 49 |
| 2010 | 29 | 44 |
| 2011 | 34 | 35 |
| 2012 | 27 | 30 |
| 2013 | 23 | 31 |
| 2014 | 28 | 46 |
| 2015 | 30 | 47 |
| 2016 | 32 | 66 |
| 2017 | 46 | 104 |
| 2018 | 44 | 93 |
| 2019 | 68 | 93 |
| 2020 | 74 | 126 |
| 2021 | 79 | 101 |
| 2022 | 69 | 126 |
| 2023 | 71 | 113 |
| 2024 | 77 | 114 |
| 2025 | 67 | 88 |
| 2026 | 58 | 83 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Blend of polyarylether ketone copolymer6 Oct 2026US 12,753,305 B2Syensqo Specialty Polymers USA, LLC
- Hollow fiber membrane material for high-humidification hydrogen fuel cell humidifier and preparation method and application thereof6 Oct 2026US 12,753,530 B2University of Electronic Science and Technology of China
- Method for producing a partially recycled polyaryletherketone powder by sintering29 Sep 2026US 12,746,718 B2Arkema France
- Thermoplastic resin prepreg and method for manufacturing same29 Sep 2026US 12,747,328 B2Teijin Limited
- Methods of making porous devices from monodisperse populations of polyarylketone or polyarylthioetherketone particles22 Sep 2026US 12,742,050 B2Agilent Technologies, Inc.
- Method for making glycolaldehyde polymers8 Oct 2026US 2026/0308320 A1
- Thermoplastic composition, method for the manufacture thereof, and articles made therefrom8 Oct 2026US 2026/0308376 A1Shpp Global Technologies B.V.
- Sulfonation treatment for forming a thermoplastic part1 Oct 2026US 2026/0297275 A1Rohr, Inc.
- Systems and methods of polymeric sprinklers24 Sep 2026US 2026/0284456 A1Tyco Fire Products LP
- Thermoplastic composition, articles prepared therefrom, and method for the manufacture thereof24 Sep 2026US 2026/0286129 A1Shpp Global Technologies B.V.
Most cited
By later US patents
- Biodegradable injectable nanoparticles724US 5,543,158 AMassachusetts Institute of Technology · 1996
- Nanoparticles and microparticles of non-linear hydrophilic-hydrophobic multiblock copolymers257US 5,578,325 AMassachusetts Institute of Technology · 1996
- Biodegradable injectable particles for imaging247US 5,565,215 AMassachusettes Institute of Technology · 1996
- Block copolymers131US 5,834,583 ACirce Biomedical, Inc. · 1998
- Polyethylene oxide-based films and drug delivery systems made therefrom118US 7,666,337 B2Monosol Rx, LLC · 2010