C08G 65/38
Derived from phenols
Official title: derived from phenols
C08G65/38 (Derived from phenols) appears on 1,324 US grants and 1,231 published applications in this corpus.
Search patents in C08G- Granted patents
- 1,324
- Published applications
- 1,231
- Assignees
- 511
- Inventors
- 3,025
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 21 | 0 |
| 1978 | 30 | 0 |
| 1979 | 7 | 0 |
| 1980 | 19 | 0 |
| 1981 | 14 | 0 |
| 1982 | 12 | 0 |
| 1983 | 9 | 0 |
| 1984 | 17 | 0 |
| 1985 | 8 | 0 |
| 1986 | 15 | 0 |
| 1987 | 21 | 0 |
| 1988 | 34 | 0 |
| 1989 | 37 | 0 |
| 1990 | 30 | 0 |
| 1991 | 24 | 0 |
| 1992 | 38 | 0 |
| 1993 | 43 | 0 |
| 1994 | 16 | 0 |
| 1995 | 13 | 0 |
| 1996 | 6 | 0 |
| 1997 | 12 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 10 | 0 |
| 2001 | 15 | 3 |
| 2002 | 19 | 16 |
| 2003 | 10 | 18 |
| 2004 | 17 | 18 |
| 2005 | 8 | 38 |
| 2006 | 24 | 41 |
| 2007 | 21 | 39 |
| 2008 | 12 | 43 |
| 2009 | 23 | 54 |
| 2010 | 46 | 42 |
| 2011 | 28 | 45 |
| 2012 | 35 | 24 |
| 2013 | 37 | 32 |
| 2014 | 31 | 41 |
| 2015 | 38 | 43 |
| 2016 | 26 | 43 |
| 2017 | 39 | 64 |
| 2018 | 31 | 71 |
| 2019 | 58 | 67 |
| 2020 | 67 | 90 |
| 2021 | 56 | 73 |
| 2022 | 39 | 81 |
| 2023 | 50 | 65 |
| 2024 | 47 | 78 |
| 2025 | 42 | 64 |
| 2026 | 28 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polyetheretherketones6 Oct 2026US 12,753,279 B2Evonik Operations GmbH
- Method for preparing polyphenylene oxide22 Sep 2026US 12,742,043 B2LG Chem.Ltd.
- Methods of making porous devices from monodisperse populations of polyarylketone or polyarylthioetherketone particles22 Sep 2026US 12,742,050 B2Agilent Technologies, Inc.
- Polyphenylene ether, production method of the same, thermosetting composition, prepreg, and laminate15 Sep 2026US 12,735,531 B2Asahi Kasei Kabushiki Kaisha
- Amorphous epoxy fiber, fiber structure, and molded body25 Aug 2026US 12,715,958 B2Kuraray Co., Ltd.
- Medium molecular weight poly(phenylene ether) and method for the manufacture thereof8 Oct 2026US 2026/0308321 A1Shpp Global Technologies B.V.
- Halomethylated polyphenylene ether and method for the manufacture thereof1 Oct 2026US 2026/0297252 A1Shpp Global Technologies B.V.
- Sulfonated poly(phenylene ether) and method for the manufacture thereof1 Oct 2026US 2026/0297253 A1Shpp Global Technologies B.V.
- Thermosetting resin composition, a manufacturing method therefor, and a composite comprising the same1 Oct 2026US 2026/0297254 A1Hyundai Motor Company
- Method of producing a radiopaque object, and radiopaque structure therefore24 Sep 2026US 2026/0286093 A1Universite Laval
Most cited
By later US patents
- Polyarylene polyethers168US 4,108,837 AUnion Carbide Corporation · 1978
- Polyarylene polyethers152US 4,175,175 AUnion Carbide Corporation · 1979
- Thermoplastic aromatic polyetherketones129US 4,320,224 AImperial Chemical Industries PLC · 1982
- Polyarylether ketone imide sulfone adhesives118US 9,976,063 B2The Boeing Company · 2018
- Phase transfer catalyzed preparation of aromatic polyether polymers113US 5,229,482 AGeneral Electric Company · 1993