C07C 1/20
Starting from organic compounds containing only oxygen atoms as heteroatoms
Official title: starting from organic compounds containing only oxygen atoms as heteroatoms
C07C1/20 (Starting from organic compounds containing only oxygen atoms as heteroatoms) appears on 2,340 US grants and 2,269 published applications in this corpus.
Search patents in C07C- Granted patents
- 2,340
- Published applications
- 2,269
- Assignees
- 733
- Inventors
- 4,259
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 34 | 0 |
| 1978 | 27 | 0 |
| 1979 | 14 | 0 |
| 1980 | 25 | 0 |
| 1981 | 30 | 0 |
| 1982 | 24 | 0 |
| 1983 | 42 | 0 |
| 1984 | 42 | 0 |
| 1985 | 53 | 0 |
| 1986 | 31 | 0 |
| 1987 | 44 | 0 |
| 1988 | 30 | 0 |
| 1989 | 28 | 0 |
| 1990 | 18 | 0 |
| 1991 | 22 | 0 |
| 1992 | 19 | 0 |
| 1993 | 24 | 0 |
| 1994 | 10 | 0 |
| 1995 | 13 | 0 |
| 1996 | 13 | 0 |
| 1997 | 11 | 0 |
| 1998 | 9 | 0 |
| 1999 | 17 | 0 |
| 2000 | 22 | 0 |
| 2001 | 14 | 3 |
| 2002 | 34 | 24 |
| 2003 | 27 | 58 |
| 2004 | 33 | 83 |
| 2005 | 36 | 59 |
| 2006 | 58 | 66 |
| 2007 | 55 | 80 |
| 2008 | 57 | 72 |
| 2009 | 41 | 74 |
| 2010 | 50 | 111 |
| 2011 | 61 | 94 |
| 2012 | 44 | 88 |
| 2013 | 67 | 143 |
| 2014 | 87 | 158 |
| 2015 | 143 | 216 |
| 2016 | 129 | 139 |
| 2017 | 164 | 104 |
| 2018 | 116 | 94 |
| 2019 | 102 | 78 |
| 2020 | 77 | 81 |
| 2021 | 61 | 64 |
| 2022 | 63 | 77 |
| 2023 | 55 | 78 |
| 2024 | 60 | 93 |
| 2025 | 50 | 74 |
| 2026 | 33 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for producing olefins6 Oct 2026US 12,753,132 B2Dow Global Technologies LLC
- Synthesis of zinc / titanium monolithic photocatalysts and applications thereof15 Sep 2026US 12,734,508 B1United Arab Emirates University
- Process for converting oxygenates to distillate fuels18 Aug 2026US 12,709,587 B2Uop LLC
- Furan based compositions and methods of making thereof11 Aug 2026US 12,703,689 B2University of Delaware
- 1,3-butadiene synthesis catalyst, method for producing same, and method for producing 1,3-butadiene7 Jul 2026US 12,673,318 B2Toyo Tire Corporation
- 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
- Polyethylene terephthalate produced from used tires1 Oct 2026US 2026/0297247 A1
- Synthesis of zinc / titanium monolithic photocatalysts and applications thereof24 Sep 2026US 2026/0284642 A1United Arab Emirates University
- Conversion of a biomass-derived hydrocarbon feedstock into acrylate salts24 Sep 2026US 2026/0285796 A1Ifp Energies Nouvelles
Most cited
By later US patents
- Crystalline zeolite ZSM-23 and synthesis thereof332US 4,076,842 AMobil Oil Corporation · 1978
- Crystalline aluminosilicate PSH-3 and its process of preparation322US 4,439,409 ABayer Aktiengesellschaft · 1984
- Production of light olefins218US 4,499,327 AUnion Carbide Corporation · 1985
- Production of ethanol from acetic acid178US 4,421,939 AUnion Carbide Corporation · 1983
- Renewable chemical production from novel fatty acid feedstocks167US 7,883,882 B2Solazyme, Inc. · 2011