C08G 2650/28
Macromolecular compounds obtained by reactions forming an ether link in the main
Official title: characterised by the polymer type
C08G2650/28 (Macromolecular compounds obtained by reactions forming an ether link in the main) appears on 1,355 US grants and 1,918 published applications in this corpus.
Search patents in C08G- Granted patents
- 1,355
- Published applications
- 1,918
- Assignees
- 798
- Inventors
- 4,249
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 1 |
| 2002 | 16 | 24 |
| 2003 | 15 | 50 |
| 2004 | 25 | 51 |
| 2005 | 21 | 25 |
| 2006 | 27 | 36 |
| 2007 | 20 | 22 |
| 2008 | 18 | 49 |
| 2009 | 20 | 71 |
| 2010 | 26 | 89 |
| 2011 | 37 | 81 |
| 2012 | 56 | 89 |
| 2013 | 60 | 91 |
| 2014 | 72 | 100 |
| 2015 | 74 | 115 |
| 2016 | 78 | 100 |
| 2017 | 83 | 145 |
| 2018 | 70 | 95 |
| 2019 | 106 | 89 |
| 2020 | 82 | 99 |
| 2021 | 82 | 109 |
| 2022 | 51 | 108 |
| 2023 | 59 | 102 |
| 2024 | 76 | 82 |
| 2025 | 62 | 67 |
| 2026 | 37 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08G 2650/38Containing oxygen in addition to the ether groupIndexing code461
- C08G 2650/46Containing halogenIndexing code243
- C08G 2650/50Containing nitrogenIndexing code207
- C08G 2650/58Ethylene oxide or propylene oxide copolymersIndexing code183
- C08G 2650/56PolyhydroxyethersIndexing code149
- C08G 2650/30BranchedIndexing code75
- C08G 2650/34OligomericIndexing code67
- C08G 2650/60Containing acetylenic groupIndexing code37
Recent patents
- Dual catalyst system for mass vinyl addition and cationic polymerizable compositions22 Sep 2026US 12,742,041 B2Promerus, LLC
- Methods of making porous devices from monodisperse populations of polyarylketone or polyarylthioetherketone particles22 Sep 2026US 12,742,050 B2Agilent Technologies, Inc.
- Powder composition, coating film, and three-dimensional shaped article15 Sep 2026US 12,735,579 B2Daikin Industries, Ltd.
- In situ thiol-maleimide crosslinked hydrogel for immune checkpoint blockade delivery1 Sep 2026US 12,723,081 B2Georgia Tech Research Corporation
- Nitrogen-branched non-linear pegylated lipid containing a tertiary amine and application thereof18 Aug 2026US 12,708,675 B2Xiamen Sinopeg Biotech Co., Ltd.
- Draw solute, draw solution, and water treatment method17 Sep 2026US 2026/0273468 A1Nippon Shokubai Co., Ltd.
- Lubricant for magnetic recording media3 Sep 2026US 2026/0258319 A1Resonac Corporation
- Ingestible device and process for collecting gastrointestinal samples27 Aug 2026US 2026/0248489 A1
- Coupling agents27 Aug 2026US 2026/0250435 A1Lubrizol Advanced Materials, Inc.
- Two-component thermally conductive adhesive20 Aug 2026US 2026/0242646 A1Ddp Specialty Electronic Materials US, LLC
Most cited
By later US patents
- Compositions and systems for forming crosslinked biomaterials and associated methods of preparation and use264US 6,458,889 B1Cohesion Technologies, Inc. · 2002
- Fluorocarbon emulsion stabilizing surfactants248US 9,012,390 B2Raindance Technologies, Inc. · 2015
- Fluorocarbon emulsion stabilizing surfactants147US 9,498,761 B2President and Fellows of Harvard College · 2016
- Block copolymer processing for mesostructured inorganic oxide materials131US 6,592,764 B1The Regents of the University of California · 2003
- Polyarylether ketone imide sulfone adhesives118US 9,976,063 B2The Boeing Company · 2018