C08G 65/04
From cyclic ethers only
Official title: from cyclic ethers only
C08G65/04 (From cyclic ethers only) appears on 1,579 US grants and 1,232 published applications in this corpus.
Search patents in C08G- Granted patents
- 1,579
- Published applications
- 1,232
- Assignees
- 648
- Inventors
- 3,537
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 13 | 0 |
| 1978 | 23 | 0 |
| 1979 | 14 | 0 |
| 1980 | 24 | 0 |
| 1981 | 33 | 0 |
| 1982 | 16 | 0 |
| 1983 | 28 | 0 |
| 1984 | 15 | 0 |
| 1985 | 19 | 0 |
| 1986 | 19 | 0 |
| 1987 | 34 | 0 |
| 1988 | 15 | 0 |
| 1989 | 32 | 0 |
| 1990 | 34 | 0 |
| 1991 | 22 | 0 |
| 1992 | 42 | 0 |
| 1993 | 36 | 0 |
| 1994 | 30 | 0 |
| 1995 | 32 | 0 |
| 1996 | 31 | 0 |
| 1997 | 35 | 0 |
| 1998 | 31 | 0 |
| 1999 | 27 | 0 |
| 2000 | 37 | 0 |
| 2001 | 32 | 13 |
| 2002 | 57 | 32 |
| 2003 | 24 | 48 |
| 2004 | 37 | 51 |
| 2005 | 43 | 58 |
| 2006 | 30 | 34 |
| 2007 | 20 | 31 |
| 2008 | 20 | 44 |
| 2009 | 18 | 36 |
| 2010 | 20 | 49 |
| 2011 | 27 | 37 |
| 2012 | 19 | 42 |
| 2013 | 36 | 38 |
| 2014 | 31 | 53 |
| 2015 | 48 | 54 |
| 2016 | 38 | 49 |
| 2017 | 46 | 61 |
| 2018 | 38 | 63 |
| 2019 | 46 | 68 |
| 2020 | 56 | 67 |
| 2021 | 48 | 55 |
| 2022 | 37 | 71 |
| 2023 | 34 | 66 |
| 2024 | 35 | 45 |
| 2025 | 42 | 39 |
| 2026 | 33 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Curable fluoropolyether adhesive composition and optical part6 Oct 2026US 12,753,333 B2Shin-Etsu Chemical Co., Ltd.
- Method for producing polyalkylene oxide29 Sep 2026US 12,747,321 B2Sumitomo Seika Chemicals Co., Ltd.
- Dual catalyst system for mass vinyl addition and cationic polymerizable compositions22 Sep 2026US 12,742,041 B2Promerus, LLC
- Epoxy resin composition8 Sep 2026US 12,729,269 B2Threebond Co., Ltd.
- Copolyetherester1 Sep 2026US 12,723,153 B2Celanese Polymers Holding, Inc.
- Carbon nanoporous framework prepared through supercritical fluid-assisted in-situ polymerization, and method3 Sep 2026US 2026/0260892 A1Qujing Faymo Technology Co., Ltd.
- Acid-resistant polyurethane and method for producing the same20 Aug 2026US 2026/0242531 A1Hodogaya Chemical Co., Ltd.
- Epoxy-based uv-vis-curable encapsulant compositions13 Aug 2026US 2026/0234322 A1Sicpa Holding SA
- Polyol-b-polyoxazoline copolymers6 Aug 2026US 2026/0224611 A1Freie UniversitäT Berlin
- Triarylsulfonium based photoinitiators for led cure of cationic, free radical and hybrid cationic/free radical formulations6 Aug 2026US 2026/0226018 A1Arkema France
Most cited
By later US patents
- Method for producing a non greasy protective and emollient film on the skin377US 4,608,392 ASociete Anonyme dite: L'Oreal · 1986
- Cationically polymerizable compositions containing group VIa onium salts166US 4,058,400 AGeneral Electric Company · 1977
- Photocurable epoxy compositions containing group Va onium salts166US 4,069,055 AGeneral Electric Company · 1978
- Liquid crystal display and photopolymerizable sealant therefor115US 4,297,401 AMinnesota Mining and Manufacturing Company · 1981
- Energy polmerizable compositions containing organometallic initiators108US 5,089,536 AMinnesota Mining and Manufacturing Company · 1992