C07C 2521/00
Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon
Official title: Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
C07C2521/00 (Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon) appears on 3,376 US grants and 2,323 published applications in this corpus.
Search patents in C07C- Granted patents
- 3,376
- Published applications
- 2,323
- Assignees
- 895
- Inventors
- 6,236
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 70 | 0 |
| 1977 | 104 | 0 |
| 1978 | 73 | 0 |
| 1979 | 57 | 0 |
| 1980 | 60 | 0 |
| 1981 | 65 | 0 |
| 1982 | 39 | 0 |
| 1983 | 49 | 0 |
| 1984 | 62 | 0 |
| 1985 | 77 | 0 |
| 1986 | 68 | 0 |
| 1987 | 73 | 0 |
| 1988 | 66 | 0 |
| 1989 | 56 | 0 |
| 1990 | 59 | 0 |
| 1991 | 86 | 0 |
| 1992 | 72 | 0 |
| 1993 | 58 | 0 |
| 1994 | 57 | 0 |
| 1995 | 47 | 0 |
| 1996 | 47 | 0 |
| 1997 | 45 | 0 |
| 1998 | 61 | 0 |
| 1999 | 64 | 0 |
| 2000 | 60 | 0 |
| 2001 | 55 | 17 |
| 2002 | 54 | 45 |
| 2003 | 60 | 61 |
| 2004 | 39 | 61 |
| 2005 | 31 | 61 |
| 2006 | 30 | 36 |
| 2007 | 34 | 47 |
| 2008 | 30 | 51 |
| 2009 | 34 | 50 |
| 2010 | 40 | 85 |
| 2011 | 28 | 70 |
| 2012 | 40 | 95 |
| 2013 | 52 | 89 |
| 2014 | 74 | 138 |
| 2015 | 104 | 132 |
| 2016 | 87 | 133 |
| 2017 | 123 | 119 |
| 2018 | 120 | 134 |
| 2019 | 127 | 138 |
| 2020 | 117 | 135 |
| 2021 | 122 | 136 |
| 2022 | 103 | 127 |
| 2023 | 97 | 102 |
| 2024 | 89 | 112 |
| 2025 | 66 | 78 |
| 2026 | 45 | 71 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 2521/02Boron or aluminiumIndexing code1,974
- C07C 2521/06Silicon, titanium, zirconium or hafniumIndexing code1,653
- C07C 2521/12Silica and aluminaIndexing code557
- C07C 2521/10MagnesiumIndexing code445
- C07C 2521/16Clays or other mineral silicatesIndexing code280
- C07C 2521/18CarbonIndexing code270
- C07C 2521/14Silica and magnesiaIndexing code52
Recent patents
- Molybdenum-vanadium-iron- and/or molybdenum-vanadium-aluminium-based oxidative dehydrogenation catalyst materials18 Aug 2026US 12,708,893 B2NOVA Chemicals (International) S.A.
- Molybdenum-vanadium-iron- and/or molybdenum-vanadium-aluminium-based oxidative dehydrogenation catalyst materials18 Aug 2026US 12,708,894 B2NOVA Chemicals (International) S.A.
- Process for converting oxygenates to distillate fuels18 Aug 2026US 12,709,587 B2Uop LLC
- Internal olefin production method18 Aug 2026US 12,709,588 B2Kao Corporation
- Supported metal catalyst with synergistic sites, a preparation method therefor and an application thereof28 Jul 2026US 12,691,442 B2Beijing University of Chemical Technology
- Process and plant for producing synthetic paraffinic kerosene as jet fuel1 Oct 2026US 2026/0296992 A1Topsoe A/S
- Methods for producing 1,1-difluoropropene (hfo-1252zc) from 1-chloro-3,3,3-trifluoropropene (hcfo-1233zd)1 Oct 2026US 2026/0296995 A1
- Methods for making light olefins by dehydrogenation using catalysts that include manganese17 Sep 2026US 2026/0274771 A1Dow Global Technologies LLC
- Method for producing motor fuel from ethanol17 Sep 2026US 2026/0275211 A1Swedish Biofuels AB
- 1,3-butadiene synthesis catalyst, method for producing same, and method for producing 1,3-butadiene10 Sep 2026US 2026/0264068 A1Toyo Tire Corporation
Most cited
By later US patents
- Process for the manufacture of gasoline304US 4,076,761 AMobil Oil Corporation · 1978
- Conversion of synthesis gas to diesel fuel and gasoline292US 4,605,680 AChevron Research Company · 1986
- Alkylation in presence of thermally modified crystalline aluminosilicate catalyst276US 4,016,218 AMobil Oil Corporation · 1977
- Process for the preparation of a Fischer-Tropsch catalyst and preparation of hydrocarbons from syngas250US 4,499,209 AShell Oil Company · 1985
- Production of ethanol from acetic acid178US 4,421,939 AUnion Carbide Corporation · 1983