C07C 2521/02
Boron or aluminium
Official title: Boron or aluminium; Oxides or hydroxides thereof
C07C2521/02 (Boron or aluminium) appears on 1,974 US grants and 1,369 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,974
- Published applications
- 1,369
- Assignees
- 605
- Inventors
- 4,002
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 42 | 0 |
| 1977 | 77 | 0 |
| 1978 | 52 | 0 |
| 1979 | 43 | 0 |
| 1980 | 48 | 0 |
| 1981 | 44 | 0 |
| 1982 | 30 | 0 |
| 1983 | 28 | 0 |
| 1984 | 31 | 0 |
| 1985 | 32 | 0 |
| 1986 | 33 | 0 |
| 1987 | 37 | 0 |
| 1988 | 33 | 0 |
| 1989 | 32 | 0 |
| 1990 | 34 | 0 |
| 1991 | 51 | 0 |
| 1992 | 37 | 0 |
| 1993 | 26 | 0 |
| 1994 | 30 | 0 |
| 1995 | 23 | 0 |
| 1996 | 20 | 0 |
| 1997 | 26 | 0 |
| 1998 | 36 | 0 |
| 1999 | 37 | 0 |
| 2000 | 40 | 0 |
| 2001 | 38 | 13 |
| 2002 | 41 | 34 |
| 2003 | 39 | 38 |
| 2004 | 24 | 38 |
| 2005 | 18 | 41 |
| 2006 | 15 | 25 |
| 2007 | 24 | 39 |
| 2008 | 20 | 36 |
| 2009 | 27 | 25 |
| 2010 | 26 | 50 |
| 2011 | 21 | 43 |
| 2012 | 22 | 54 |
| 2013 | 30 | 59 |
| 2014 | 48 | 86 |
| 2015 | 64 | 77 |
| 2016 | 51 | 70 |
| 2017 | 59 | 74 |
| 2018 | 68 | 67 |
| 2019 | 58 | 79 |
| 2020 | 68 | 80 |
| 2021 | 68 | 70 |
| 2022 | 61 | 60 |
| 2023 | 50 | 63 |
| 2024 | 48 | 65 |
| 2025 | 40 | 46 |
| 2026 | 24 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- 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
- Catalyst for hydrogenation reaction and manufacturing method therefor14 Jul 2026US 12,678,774 B2Korea Advanced Institute of Science and 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
- Improved method for dehydrogenating hydrocarbons20 Aug 2026US 2026/0242310 A1Arkema France
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
- Production of ethanol from acetic acid178US 4,421,939 AUnion Carbide Corporation · 1983
- Process for the preparation of middle distillates from syngas162US 4,594,468 AShell Oil Company · 1986