C08G 65/40
From phenols and other compounds
Official title: from phenols (I) and other compounds (II), e.g. OH-Ar-OH + X-Ar-X, where X is halogen atom, i.e. leaving group
C08G65/40 (From phenols and other compounds) appears on 988 US grants and 1,025 published applications in this corpus.
Search patents in C08G- Granted patents
- 988
- Published applications
- 1,025
- Assignees
- 418
- Inventors
- 2,369
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 13 | 0 |
| 1988 | 26 | 0 |
| 1989 | 31 | 0 |
| 1990 | 27 | 0 |
| 1991 | 15 | 0 |
| 1992 | 34 | 0 |
| 1993 | 39 | 0 |
| 1994 | 13 | 0 |
| 1995 | 12 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 11 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 1 |
| 2002 | 7 | 8 |
| 2003 | 5 | 14 |
| 2004 | 13 | 15 |
| 2005 | 6 | 33 |
| 2006 | 22 | 37 |
| 2007 | 15 | 26 |
| 2008 | 10 | 34 |
| 2009 | 18 | 44 |
| 2010 | 37 | 40 |
| 2011 | 24 | 36 |
| 2012 | 30 | 18 |
| 2013 | 31 | 25 |
| 2014 | 22 | 34 |
| 2015 | 34 | 39 |
| 2016 | 21 | 33 |
| 2017 | 28 | 56 |
| 2018 | 27 | 56 |
| 2019 | 46 | 59 |
| 2020 | 55 | 80 |
| 2021 | 51 | 65 |
| 2022 | 32 | 62 |
| 2023 | 40 | 55 |
| 2024 | 40 | 67 |
| 2025 | 37 | 57 |
| 2026 | 22 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08G 65/4012Other compound containing a ketone group614
- C08G 65/4006Or containing elements other than carbon, oxygen, hydrogen or halogen as leaving176
- C08G 65/4093Characterised by the process or apparatus used117
- C08G 65/4087Characterised by the catalyst used38
- C08G 65/4081Forming cyclic polymers or oligomers30
- C08G 65/4075From self-polymerisable monomers16
- C08G 65/42Phenols and polyhydroxy ethers15
Recent patents
- Polyetheretherketones6 Oct 2026US 12,753,279 B2Evonik Operations GmbH
- Methods of making porous devices from monodisperse populations of polyarylketone or polyarylthioetherketone particles22 Sep 2026US 12,742,050 B2Agilent Technologies, Inc.
- Reinforced PAEK compositions comprising recylced carbon fibers25 Aug 2026US 12,715,961 B2Syensqo Specialty Polymers USA, LLC
- Block copolymer, production method therefor, polymeric electrolyte material, polymeric electrolyte molded article, polymeric electrolyte film, electrolyte film equipped with catalyst layer, membrane electrode composite, solid polymer fuel cell, and water electrolysis type hydrogen generating device25 Aug 2026US 12,715,962 B2Toray Industries, Inc.
- Bioactive compound immobilization on sulfone polymers16 Jun 2026US 12,655,255 B2Syensqo Specialty Polymers USA, LLC
- 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
- Composition of hexanediol glycidyl ether and/or oligomer thereof, curable composition, cured product17 Sep 2026US 2026/0275075 A1DIC Corporation
- Laminate and method for forming laminate20 Aug 2026US 2026/0241412 A1Daikin Industries, Ltd.
- Polymer, electrolyte material, electrolyte membrane, electrolyte membrane with catalyst layer, membrane electrode assembly, solid polymer fuel cell, and solid polymer water electrolysis device13 Aug 2026US 2026/0237705 A1Tosoh Corporation
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