B01J 31/2419
Comprising p as ring member
Official title: {comprising P as ring member}
B01J31/2419 (Comprising p as ring member) appears on 157 US grants and 151 published applications in this corpus.
Search patents in B01J- Granted patents
- 157
- Published applications
- 151
- Assignees
- 86
- Inventors
- 396
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 0 |
| 2002 | 2 | 5 |
| 2003 | 8 | 9 |
| 2004 | 12 | 16 |
| 2005 | 6 | 8 |
| 2006 | 5 | 1 |
| 2007 | 5 | 6 |
| 2008 | 3 | 7 |
| 2009 | 3 | 1 |
| 2010 | 5 | 3 |
| 2011 | 0 | 2 |
| 2012 | 0 | 5 |
| 2013 | 1 | 4 |
| 2014 | 5 | 19 |
| 2015 | 7 | 8 |
| 2016 | 9 | 7 |
| 2017 | 9 | 6 |
| 2018 | 6 | 10 |
| 2019 | 10 | 7 |
| 2020 | 6 | 4 |
| 2021 | 3 | 5 |
| 2022 | 7 | 5 |
| 2023 | 6 | 8 |
| 2024 | 6 | 1 |
| 2025 | 2 | 0 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Triphenylphosphine ruthenium photocatalyst for hydrogen production22 Jul 2025US 12,364,977 B1United Arab Emirates University
- Triphenylphosphine ruthenium photocatalyst for hydrogen production25 Feb 2025US 12,233,403 B1United Arab Emirates University
- Manganese based complexes and uses thereof for homogeneous catalysis19 Nov 2024US 12,145,139 B2Yeda Research and Development Co. Ltd.
- Metal complex, intermediate, and preparation method and application thereof8 Oct 2024US 12,110,302 B2Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences
- Butadiene telomerization catalyst preparation and use thereof4 Jun 2024US 11,999,674 B2Dow Global Technologies LLC
- Selective semi-hydrogenation of allene24 Sep 2026US 2026/0284649 A1Firmenich SA
- Bulky and small-steric-hindrance ligand and use thereof17 Sep 2026US 2026/0273518 A1Dg Hc Optical Co., Ltd
- Catalyst system and method for carbonylation reaction23 Jul 2026US 2026/0208174 A1Shandong Nhu Fine Chemical Science and Technology Company Ltd.
- Cyclic biaryl phosphines as ligands for palladium-containing catalysts in cross-coupling reactions11 Jun 2026US 2026/0158481 A1Heraeus Precious Metals GmbH & Co. KG
- Preparation method for tetra-substituted allenoic acid compound based on palladium catalytic system20 Jun 2024US 2024/0199521 A1Fudan University
Most cited
By later US patents
- Organic transition metal compound having .pi.-bonding heterocyclic ligand and method of polymerizing olefin by using the same97US 5,434,116 ATosoh Corporation · 1995
- Substituted aminomethylphosphines, compositions and coordination complexes of same, their synthesis and processes using same82US 6,043,363 ASymyx Technologies, Inc. · 2000
- Substituted aminomethylphosphines, coordination complexes of aminomethylphosphines and their synthesis77US 6,034,240 ASymyx Technologies, Inc. · 2000
- Use of a phosphorus containing ligand and a cyclic organic ligand in a transition metal compound39US 7,671,224 B2Umicore AG & Co. KG · 2010
- Porous microcomposite of perfluorinated ion-exchange polymer and metal oxide, a network of silica, or a network of metal oxide and silica derived via a sol-gel process38US 5,824,622 AE. I. Du Pont de Nemours and Company · 1998