B01J 35/647
2-50 nm
Official title: {2-50 nm}
B01J35/647 (2-50 nm) appears on 2,121 US grants and 2,232 published applications in this corpus.
Search patents in B01J- Granted patents
- 2,121
- Published applications
- 2,232
- Assignees
- 894
- Inventors
- 5,481
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 23 | 0 |
| 1978 | 30 | 0 |
| 1979 | 7 | 0 |
| 1980 | 15 | 0 |
| 1981 | 22 | 0 |
| 1982 | 12 | 0 |
| 1983 | 24 | 0 |
| 1984 | 25 | 0 |
| 1985 | 13 | 0 |
| 1986 | 11 | 0 |
| 1987 | 11 | 0 |
| 1988 | 19 | 0 |
| 1989 | 27 | 0 |
| 1990 | 17 | 0 |
| 1991 | 16 | 0 |
| 1992 | 17 | 0 |
| 1993 | 13 | 0 |
| 1994 | 14 | 0 |
| 1995 | 12 | 0 |
| 1996 | 12 | 0 |
| 1997 | 12 | 0 |
| 1998 | 20 | 0 |
| 1999 | 16 | 0 |
| 2000 | 19 | 0 |
| 2001 | 28 | 4 |
| 2002 | 16 | 19 |
| 2003 | 27 | 42 |
| 2004 | 20 | 54 |
| 2005 | 28 | 51 |
| 2006 | 28 | 55 |
| 2007 | 33 | 45 |
| 2008 | 28 | 53 |
| 2009 | 27 | 71 |
| 2010 | 45 | 81 |
| 2011 | 44 | 77 |
| 2012 | 42 | 85 |
| 2013 | 63 | 89 |
| 2014 | 61 | 86 |
| 2015 | 71 | 100 |
| 2016 | 80 | 161 |
| 2017 | 107 | 112 |
| 2018 | 111 | 103 |
| 2019 | 114 | 106 |
| 2020 | 109 | 144 |
| 2021 | 105 | 149 |
| 2022 | 114 | 134 |
| 2023 | 107 | 124 |
| 2024 | 108 | 98 |
| 2025 | 93 | 100 |
| 2026 | 76 | 89 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Alumina support6 Oct 2026US 12,752,257 B2Kaneka Corporation
- Catalyst for light olefins production and a process of light olefins production by using a catalyst thereof6 Oct 2026US 12,752,263 B2PTT Global Chemical Public Company Limited
- Heterogeneous catalyst for transesterification and method of preparing same6 Oct 2026US RE51,051 E1Crystaphase Products, Inc.
- Method of preparing a hydrocracking catalyst29 Sep 2026US 12,746,535 B2Shell USA, Inc.
- Processes for direct conversion of crude oil to light olefins and light aromatics through steam enhanced catalytic cracking over a core shell cracking catalyst29 Sep 2026US 12,747,398 B2King Fahd University of Petroleum and Minerals
- Preparation of meso-y-zeolite with large mesopores1 Oct 2026US 2026/0295568 A1Chevron U.S.A.Inc.
- Tri-metallic catalyst for ammonia cracking, preparation method therefor, and production method for hydrogen using same24 Sep 2026US 2026/0284640 A1Heesung Catalysts Corporation
- Sulphur tolerant noble metal catalyst for aromatic hydrogenation and producing dearomatized solvent24 Sep 2026US 2026/0284644 A1Hindustan Petroleum Corporation Limited
- Heavy oil hydrorefining method24 Sep 2026US 2026/0286235 A1Eneos Corporation
- Spherical alumina and supported catalyst, and preparation methods and use thereof17 Sep 2026US 2026/0273511 A1Dalian University of Technology
Most cited
By later US patents
- Synthesis of nanometer-sized particles by reverse micelle mediated techniques178US 6,413,489 B1Massachusetts Institute of Technology · 2002
- Process for preparing a mixed metal catalyst composition134US 6,652,738 B2Akzo Nobel N. V. · 2003
- Process for hydrotreating metal-contaminated hydrocarbonaceous feedstock126US 5,744,025 AShell Oil Company · 1998
- Catalysts for hydrotreatment of heavy hydrocarbon oils containing asphaltenes121US 4,422,960 AChiyoda Chemical Engineering & Construction Co., Ltd. · 1983
- Hydrotreating hydrocarbon feeds112US 6,203,695 B1Institut Francais du Petrole · 2001