C10L 1/1985
Polyethers
Official title: {polyethers, e.g. di- polygylcols and derivatives; ethers - esters}
C10L1/1985 (Polyethers) appears on 606 US grants and 410 published applications in this corpus.
Search patents in C10L- Granted patents
- 606
- Published applications
- 410
- Assignees
- 215
- Inventors
- 1,089
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 8 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 12 | 0 |
| 1990 | 8 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 10 | 0 |
| 1994 | 20 | 0 |
| 1995 | 24 | 0 |
| 1996 | 31 | 0 |
| 1997 | 31 | 0 |
| 1998 | 46 | 0 |
| 1999 | 37 | 0 |
| 2000 | 25 | 0 |
| 2001 | 30 | 5 |
| 2002 | 16 | 14 |
| 2003 | 20 | 29 |
| 2004 | 15 | 36 |
| 2005 | 7 | 42 |
| 2006 | 5 | 29 |
| 2007 | 10 | 28 |
| 2008 | 18 | 29 |
| 2009 | 13 | 17 |
| 2010 | 13 | 19 |
| 2011 | 13 | 10 |
| 2012 | 13 | 13 |
| 2013 | 6 | 17 |
| 2014 | 8 | 10 |
| 2015 | 8 | 10 |
| 2016 | 12 | 9 |
| 2017 | 6 | 8 |
| 2018 | 10 | 8 |
| 2019 | 10 | 15 |
| 2020 | 12 | 14 |
| 2021 | 14 | 5 |
| 2022 | 2 | 12 |
| 2023 | 11 | 8 |
| 2024 | 13 | 9 |
| 2025 | 5 | 10 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ammonia-hydrocarbon fuel compositions, method of use, and systems thereof11 Aug 2026US 12,703,830 B2Mighty Pipeline, Inc.
- Gasoline additive composition for improved engine performance12 May 2026US 12,624,303 B2Afton Chemical Corporation
- Additives for increased fuel efficiency for liquid fuels used in combustion engines and methods for using the same7 Apr 2026US 12,595,432 B2
- Aqueous emulsifier package with anionic surfactant for fuel emulsion27 Jan 2026US 12,534,678 B2BASF SE
- Macromolecular corrosion (MCIN) inhibitors: structures, methods of making and using the same9 Dec 2025US 12,492,352 B2Polnox Corporation
- Fuel additive compositions and methods for controlling carbon deposits in an internal combustion engines17 Sep 2026US 2026/0275215 A1Chevron Oronite Company LLC
- Macromolecular corrosion (mcin) inhibitors: structures, methods of making and using the same16 Apr 2026US 2026/0103652 A1Polnox Corporation
- Additives for increased fuel efficiency for liquid fuels used in combustion engines and methods for using the same5 Mar 2026US 2026/0062632 A1
- Fuel reduction composition for diesel internal combustion engines5 Feb 2026US 2026/0035632 A1Donghagreen Co., Ltd.
- Ammonia-hydrocarbon fuel compositions, method of use, and systems thereof20 Nov 2025US 2025/0354077 A1Mighty Pipeline, Inc.
Most cited
By later US patents
- Method of treating sour gas and liquid hydrocarbon160US 5,674,377 ANalco/Exxon Energy Chemicals, L. P. · 1997
- Synergistic fuel compositions114US 4,877,416 AChevron Research Company · 1989
- 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
- Motor fuel or lubricant composition containing polybutyl or polyisobutyl derivatives66US 4,859,210 ABASF SE · 1989