B01J 2523/20
Constitutive chemical elements of heterogeneous catalysts: of group ii of the periodic
Official title: of Group II (IIA or IIB) of the Periodic Table
B01J2523/20 (Constitutive chemical elements of heterogeneous catalysts: of group ii of the periodic) appears on 115 US grants and 177 published applications in this corpus.
Search patents in B01J- Granted patents
- 115
- Published applications
- 177
- Assignees
- 121
- Inventors
- 528
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 5 |
| 2010 | 1 | 2 |
| 2011 | 3 | 3 |
| 2012 | 3 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 3 |
| 2015 | 1 | 1 |
| 2016 | 4 | 8 |
| 2017 | 3 | 3 |
| 2018 | 4 | 18 |
| 2019 | 10 | 45 |
| 2020 | 18 | 15 |
| 2021 | 30 | 10 |
| 2022 | 10 | 10 |
| 2023 | 7 | 10 |
| 2024 | 9 | 13 |
| 2025 | 5 | 17 |
| 2026 | 5 | 8 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 2523/27ZincIndexing code49
- B01J 2523/22MagnesiumIndexing code44
- B01J 2523/23CalciumIndexing code25
- B01J 2523/25BariumIndexing code20
- B01J 2523/24StrontiumIndexing code17
- B01J 2523/21BerylliumIndexing code4
- B01J 2523/28CadmiumIndexing code4
- B01J 2523/26RadiumIndexing code2
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Recent patents
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Most cited
By later US patents
- Catalysts for petrochemical catalysis39US 9,738,571 B2Siluria Technologies, Inc. · 2017
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- Exhaust gas purifying catalyst, method for recovering exhaust gas purifying catalyst, and catalyst system for exhaust gas purification21US 8,071,498 B2Cataler Corporation · 2011
- Oxide catalyst and phosphoric oxide catalyst for hydrocarbon steam cracking, method for preparing the same and method for preparing olefin by using the same16US 7,935,654 B2LG Chem.Ltd. · 2011
- Pre calcination additives for mixed metal oxide ammoxidation catalysts7US 8,835,666 B2Ineos USA LLC · 2014