B01J 31/1885
Ligands comprising two different formal oxidation states of phosphorus in one at
Official title: {Ligands comprising two different formal oxidation states of phosphorus in one at least bidentate ligand, e.g. phosphite/phosphinite}
B01J31/1885 (Ligands comprising two different formal oxidation states of phosphorus in one at) appears on 15 US grants and 20 published applications in this corpus.
Search patents in B01J- Granted patents
- 15
- Published applications
- 20
- Assignees
- 11
- Inventors
- 84
- Latest grant
- 17 May 2022
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|---|---|---|
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| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 3 |
| 2018 | 2 | 0 |
| 2019 | 1 | 2 |
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| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
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Recent patents
- Method for preparation of homogenous catalyst for selective 1-hexene production17 May 2022US 11,331,655 B2Sabic Global Technologies B.V.
- Catalyst composition and process for oligomerization of ethylene23 Apr 2019US 10,265,690 B2Linde Aktiengesellschaft
- Preparation of high-quality oxo process alcohols from inconstant raw material sources13 Mar 2018US 9,914,681 B2Evonik Degussa GmbH
- Method for oligomerization of ethylene20 Feb 2018US 9,896,392 B2Linde Aktiengesellschaft
- Catalyst composition and process for oligomerization of ethylene7 Feb 2017US 9,561,500 B2Linde Aktiengesellschaft
- Diphosphites with a dicyclohexylphosphino radical4 Jul 2024US 2024/0217998 A1Evonik Oxeno GmbH
- Catalyst composition and process for oligomerization of ethylene4 Aug 2022US 2022/0241764 A1Sabic Global Technologies B.V.
- Method for preparation of homogenous catalyst for selective 1-hexene production17 Oct 2019US 2019/0314798 A1Sabic Global Technologies B.V.
- Catalyst composition and process for oligomerization of ethylene11 Jul 2019US 2019/0210011 A1Linde Aktiengesellschaft
- Catalyst composition pre-formation unit for preparing a catalyst composition for oligomerization of ethylene15 Jun 2017US 2017/0165657 A1Saudi Basic Industries Corporation
Most cited
By later US patents
- Tetramerization of olefins30US 7,511,183 B2Sasol Technology (Pty) Ltd · 2009
- Phosphinine compounds and metal complexes thereof25US 6,818,770 B2Oxeno Olefinchemie GmbH · 2004
- Sterically hindered chelate phosphinite-phosphite ligand, catalyst, comprising at least one nickel(0) complex stabilized by said ligand and method for production of nitriles22US 7,521,575 B2BASF SE · 2009
- Phosphorus-containing compositions and their use in hydrocyanation, isomerization and hydroformylation reactions15US 6,924,345 B2Invista North America S A R L · 2005
- Method for oligomerization of ethylene13US 9,896,392 B2Linde Aktiengesellschaft · 2018