B01J 31/4038
Containing noble metals
Official title: {containing noble metals}
B01J31/4038 (Containing noble metals) appears on 258 US grants and 87 published applications in this corpus.
Search patents in B01J- Granted patents
- 258
- Published applications
- 87
- Assignees
- 118
- Inventors
- 549
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 11 | 0 |
| 1993 | 9 | 0 |
| 1994 | 9 | 0 |
| 1995 | 11 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 28 | 0 |
| 1999 | 12 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 10 |
| 2004 | 3 | 6 |
| 2005 | 4 | 5 |
| 2006 | 3 | 4 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 4 | 3 |
| 2011 | 2 | 1 |
| 2012 | 3 | 5 |
| 2013 | 2 | 2 |
| 2014 | 2 | 1 |
| 2015 | 3 | 2 |
| 2016 | 1 | 4 |
| 2017 | 2 | 2 |
| 2018 | 1 | 5 |
| 2019 | 7 | 7 |
| 2020 | 5 | 2 |
| 2021 | 4 | 2 |
| 2022 | 1 | 3 |
| 2023 | 2 | 6 |
| 2024 | 1 | 4 |
| 2025 | 2 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for preparing enantiomerically enriched substituted pyrrolo[2,3-d]pyrimidines2 Jun 2026US 12,643,902 B2Sun Pharmaceutical Industries Limited
- Method for carbon dioxide fixation using a palladium-doped nitrogen-rich organic framework catalyst30 Sep 2025US 12,427,506 B1King Fahd University of Petroleum and Minerals
- Processes for recovery of rhodium from a hydroformylation process11 Mar 2025US 12,246,310 B2Dow Technology Investments LLC
- Process for regenerating a catalyst for the hydroformylation of olefins in the gas phase9 Apr 2024US 11,951,466 B2Evonik Oxeno GmbH
- Hydrophilic phosphorus ligand and method for separation and recovery of catalyst31 Oct 2023US 11,801,504 B2Industrial Technology Research Institute
- Method for recovering platinum group element3 Jul 2025US 2025/0215525 A1Zeon Corporation
- Processes for recovering rhodium from hydroformylation processes1 May 2025US 2025/0137091 A1Dow Technology Investments LLC
- Compounds, transition metal complex hydroformylation catalyst precuror compositions comprising such compounds, and hydroformylation processes24 Apr 2025US 2025/0128245 A1Dow Technology Investments LLC
- Covalent organic framework membranes, methods and uses thereof2 Jan 2025US 2025/0001368 A1National University of Singapore
- Transition metal complex hydroformylation catalyst precuror compositions comprising such compounds, and hydroformylation processes5 Dec 2024US 2024/0399349 A1Dow Technology Investments LLC
Most cited
By later US patents
- Recyclable metathesis catalysts82US 6,921,735 B2The Trustees of Boston College · 2005
- Process for improving productivity of a carbonylation catalyst solution by removing corrosion metals77US 5,731,252 AHoechst Celanese Corporation · 1998
- Transition metal complex catalyzed reactions67US 4,717,775 AUnion Carbide Corporation · 1988
- Heterogeneous catalyst for the production of ethylidene diacetate from acetic anhydride58US 5,767,307 AAir Products and Chemicals, Inc. · 1998
- Separation processes39US 5,952,530 AUnion Carbide Chemicals & Plastics Technology Corporation · 1999