C10L 1/1852
Ethers
Official title: {Ethers; Acetals; Ketals; Orthoesters}
C10L1/1852 (Ethers) appears on 583 US grants and 498 published applications in this corpus.
Search patents in C10L- Granted patents
- 583
- Published applications
- 498
- Assignees
- 303
- Inventors
- 1,224
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 9 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 14 | 0 |
| 1994 | 17 | 0 |
| 1995 | 21 | 0 |
| 1996 | 24 | 0 |
| 1997 | 28 | 0 |
| 1998 | 33 | 0 |
| 1999 | 27 | 0 |
| 2000 | 21 | 0 |
| 2001 | 17 | 4 |
| 2002 | 14 | 15 |
| 2003 | 8 | 29 |
| 2004 | 9 | 31 |
| 2005 | 6 | 27 |
| 2006 | 4 | 14 |
| 2007 | 10 | 20 |
| 2008 | 12 | 20 |
| 2009 | 6 | 20 |
| 2010 | 8 | 23 |
| 2011 | 15 | 26 |
| 2012 | 10 | 30 |
| 2013 | 24 | 28 |
| 2014 | 19 | 25 |
| 2015 | 23 | 35 |
| 2016 | 22 | 22 |
| 2017 | 18 | 14 |
| 2018 | 12 | 12 |
| 2019 | 8 | 15 |
| 2020 | 18 | 15 |
| 2021 | 14 | 11 |
| 2022 | 14 | 17 |
| 2023 | 6 | 8 |
| 2024 | 15 | 20 |
| 2025 | 5 | 8 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel blend composition, system, and method29 Sep 2026US 12,747,404 B1Suburban Propane, L.P.
- Converting natural gas to dimethyl ether8 Sep 2026US 12,729,174 B2Saudi Arabian Oil Company
- Aqueous dispersions of paraffin inhibitors16 Jun 2026US 12,655,363 B2BASF SE
- Fuel additive composition19 May 2026US 12,630,776 B2
- Gasoline additive composition for improved engine performance12 May 2026US 12,624,303 B2Afton Chemical Corporation
- Aqueous dispersions of paraffin inhibitors17 Sep 2026US 2026/0275218 A1BASF SE
- Motor fuel mixed tanking scenarios30 Jul 2026US 2026/0218075 A1Keuken & De Koning B.V.
- Fuel borne catalyst composition for oxidative soot removal16 Jul 2026US 2026/0201263 A1Umicore Specialty Materials Brugge
- Composite metal oxide fuel additives9 Jul 2026US 2026/0193555 A1Nuel Advanced Technologies Ltd.
- Fuel and manufacture of the same11 Jun 2026US 2026/0159772 A1
Most cited
By later US patents
- Method of treating sour gas and liquid hydrocarbon160US 5,674,377 ANalco/Exxon Energy Chemicals, L. P. · 1997
- Diesel fuel additives and diesel fuels containing soluble platinum group metal compounds and use in diesel engines85US 4,892,562 AFuel Tech, Inc. · 1990
- Gasoline additives and gasoline containing soluble platinum group metal compounds and use in internal combustion engines79US 4,891,050 AFuel Tech, Inc. · 1990
- Fuel additive composition and method for treatment of middle distillate fuels and gasoline73US 6,923,838 B2Advanced Combustion Technologies, Inc. · 2005
- Detergents for hydrocarbon fuels68US 5,876,468 ALubrizol Adibis Holdings (UK) Limited · 1999