C07C 1/24
By elimination of water
Official title: by elimination of water
C07C1/24 (By elimination of water) appears on 642 US grants and 738 published applications in this corpus.
Search patents in C07C- Granted patents
- 642
- Published applications
- 738
- Assignees
- 330
- Inventors
- 1,769
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 10 | 0 |
| 1982 | 8 | 0 |
| 1983 | 10 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 1 |
| 2003 | 1 | 3 |
| 2004 | 1 | 8 |
| 2005 | 3 | 7 |
| 2006 | 3 | 6 |
| 2007 | 4 | 11 |
| 2008 | 2 | 17 |
| 2009 | 4 | 20 |
| 2010 | 9 | 24 |
| 2011 | 9 | 30 |
| 2012 | 13 | 31 |
| 2013 | 23 | 48 |
| 2014 | 18 | 43 |
| 2015 | 41 | 80 |
| 2016 | 61 | 43 |
| 2017 | 61 | 41 |
| 2018 | 36 | 35 |
| 2019 | 34 | 31 |
| 2020 | 26 | 30 |
| 2021 | 26 | 30 |
| 2022 | 31 | 43 |
| 2023 | 26 | 40 |
| 2024 | 30 | 51 |
| 2025 | 27 | 44 |
| 2026 | 17 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for producing olefins6 Oct 2026US 12,753,132 B2Dow Global Technologies LLC
- Process for converting oxygenates to distillate fuels18 Aug 2026US 12,709,587 B2Uop LLC
- 1,3-butadiene synthesis catalyst, method for producing same, and method for producing 1,3-butadiene7 Jul 2026US 12,673,318 B2Toyo Tire Corporation
- Radial flow reactor for an ethanol dehydration process7 Jul 2026US 12,673,907 B2Uop LLC
- Methanol to olefin (MTO) process30 Jun 2026US 12,668,747 B2Topsoe A/S
- Process for the preparation of polyisobutene from olefins from isobutanol obtained from mixed guerbet reaction of ethanol and methanol8 Oct 2026US 2026/0308287 A1BASF SE
- Polyethylene production from used tires1 Oct 2026US 2026/0297222 A1
- 1,3-butadiene synthesis catalyst, method for producing same, and method for producing 1,3-butadiene10 Sep 2026US 2026/0264068 A1Toyo Tire Corporation
- Process and plant for the conversion of oxygenates to c5+ hydrocarbons boiling in the jet fuel boiling range10 Sep 2026US 2026/0265161 A1Topsoe A/S
- Process for converting oxygenates to distillate fuels10 Sep 2026US 2026/0265163 A1Uop LLC
Most cited
By later US patents
- Production of light olefins218US 4,499,327 AUnion Carbide Corporation · 1985
- Production of ethanol from acetic acid178US 4,421,939 AUnion Carbide Corporation · 1983
- Production of light olefins128US 4,677,242 AUnion Carbide Corporation · 1987
- Production of light olefins from aliphatic hetero compounds123US 4,677,243 AUnion Carbide Corporation · 1987
- Controlled combustion for regenerative reactors with mixer/flow distributor122US 7,815,873 B2ExxonMobil Research and Engineering Company · 2010