C07C 29/10
Of ethers, including cyclic ethers
Official title: of ethers, including cyclic ethers, e.g. oxiranes
C07C29/10 (Of ethers, including cyclic ethers) appears on 441 US grants and 246 published applications in this corpus.
Search patents in C07C- Granted patents
- 441
- Published applications
- 246
- Assignees
- 216
- Inventors
- 890
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 12 | 0 |
| 1979 | 15 | 0 |
| 1980 | 25 | 0 |
| 1981 | 25 | 0 |
| 1982 | 13 | 0 |
| 1983 | 15 | 0 |
| 1984 | 19 | 0 |
| 1985 | 19 | 0 |
| 1986 | 16 | 0 |
| 1987 | 17 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 4 |
| 2003 | 4 | 5 |
| 2004 | 2 | 10 |
| 2005 | 6 | 10 |
| 2006 | 7 | 15 |
| 2007 | 7 | 13 |
| 2008 | 9 | 9 |
| 2009 | 9 | 16 |
| 2010 | 6 | 9 |
| 2011 | 9 | 7 |
| 2012 | 13 | 17 |
| 2013 | 10 | 7 |
| 2014 | 9 | 12 |
| 2015 | 12 | 15 |
| 2016 | 13 | 5 |
| 2017 | 6 | 7 |
| 2018 | 5 | 7 |
| 2019 | 4 | 7 |
| 2020 | 14 | 7 |
| 2021 | 6 | 9 |
| 2022 | 6 | 14 |
| 2023 | 11 | 12 |
| 2024 | 7 | 11 |
| 2025 | 10 | 11 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Recycling of polyacetal for the production of polyoxymethylene dialkyl ethers22 Sep 2026US 12,742,054 B2Chemcom Investments BV
- Chemically cleavable group15 Sep 2026US 12,735,444 B2Tagworks Pharmaceuticals B.V.
- System and process for producing glycols18 Aug 2026US 12,709,590 B2Sabic Global Technologies B.V.
- Hydrocarbon pyrolysis with less exhaust emission12 May 2026US 12,624,295 B2ExxonMobil Chemical Patents Inc.
- Method for preparing methanol based on carbon dioxide capture, method for preparing ethylene glycol and environment-friendly polyester10 Mar 2026US 12,570,591 B1Jiangsu Zhonglu Technology Development Corporation Limited
- Processes for preparing 3-isopropenyl-6-heptenal compound and 6-isopropenyl-3-methyl-3,9-decadienyl carboxylate compound, process for preparing intermediate thereof, and intermediate thereof8 Oct 2026US 2026/0308091 A1Shin-Etsu Chemical Co., Ltd.
- Polyethylene terephthalate produced from used tires1 Oct 2026US 2026/0297247 A1
- Composition and process of making bio-based upcycled oils in flow reactors9 Jul 2026US 2026/0191749 A1RiKarbon, Inc.
- Preparation of alpha-necrodyl isobutyrate from dienes4 Jun 2026US 2026/0152461 A1Suterra, LLC
- Method for preparing methanol based on carbon dioxide capture, method for preparing ethylene glycol and environment-friendly polyester12 Mar 2026US 2026/0070865 A1Jiangsu Zhonglu Technology Development Corporation Limited
Most cited
By later US patents
- Process for producing adipic acid from biomass90US 4,400,468 AHydrocarbon Research, Inc. · 1983
- Novel tri-phenyl alkane and alkene derivatives and their preparation and use56US 4,696,949 AFarmos Group Ltd. · 1987
- Silica-based synthetic material containing titanium in the crystal lattice and process for its preparation51US 4,666,692 ASNAMPROGETTI S.p. A. · 1987
- Conversion of polar compounds using a ZSM-5 zeolite catalyst47US 4,011,278 AMobil Oil Corporation · 1977
- Method for the total synthesis of cyclosporins, novel cyclosporins and novel intermediates and methods for their production46US 4,554,351 ASandoz Ltd. · 1985