B01J 37/009
Preparation by separation
Official title: {Preparation by separation, e.g. by filtration, decantation, screening}
B01J37/009 (Preparation by separation) appears on 463 US grants and 640 published applications in this corpus.
Search patents in B01J- Granted patents
- 463
- Published applications
- 640
- Assignees
- 370
- Inventors
- 1,950
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 1 |
| 2004 | 3 | 4 |
| 2005 | 3 | 7 |
| 2006 | 4 | 5 |
| 2007 | 3 | 6 |
| 2008 | 2 | 3 |
| 2009 | 5 | 4 |
| 2010 | 1 | 8 |
| 2011 | 4 | 17 |
| 2012 | 3 | 20 |
| 2013 | 19 | 26 |
| 2014 | 10 | 10 |
| 2015 | 11 | 23 |
| 2016 | 20 | 32 |
| 2017 | 16 | 72 |
| 2018 | 49 | 41 |
| 2019 | 59 | 62 |
| 2020 | 44 | 36 |
| 2021 | 45 | 56 |
| 2022 | 34 | 39 |
| 2023 | 35 | 52 |
| 2024 | 40 | 36 |
| 2025 | 28 | 40 |
| 2026 | 17 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Catalyst for hydrogenation reaction and method for producing same5 May 2026US 12,616,962 B2Hanwha Solutions Corporation
- Chrome-free copper catalysts for fatty ester hydrogenolysis/hydrogenation5 May 2026US 12,616,963 B2BASF SE
- Copper silicate-based catalyst and manufacturing method therefor10 Sep 2026US 2026/0264060 A1LG Chem.Ltd.
- Methods for forming zeolite-y10 Sep 2026US 2026/0264066 A1Saudi Arabian Oil Company
- Lanthanum oxycarbonate catalyst and its preparation method and application3 Sep 2026US 2026/0257208 A1China Petroleum & Chemical Corporation
- Catalyst and process for the dehydrogenation of alkanes to olefins27 Aug 2026US 2026/0249274 A1Dow Global Technologies LLC
- Shaped catalyst body27 Aug 2026US 2026/0249277 A1BASF SE
Most cited
By later US patents
- Catalyst pretreatment method83US 5,070,064 AExxon Research & Engineering Co. · 1991
- Method of separating catalyst-free working solution from the hydrogenation cycle of the anthraquinone method for the production of hydrogen peroxide74US 5,534,149 ADegussa AG · 1996
- Method of forming a catalyst with inhibited mobility of nano-active material45US 8,557,727 B2SDCmaterials, Inc. · 2013
- Method for isolation of nanomaterials40US 9,446,397 B2Siluria Technologies, Inc. · 2016
- Hydroconversion multi-metallic catalyst and method for making thereof36US 8,586,500 B2Chevron U.S.A.Inc. · 2013