B01J 31/4046
Containing rhodium
Official title: {containing rhodium}
B01J31/4046 (Containing rhodium) appears on 188 US grants and 45 published applications in this corpus.
Search patents in B01J- Granted patents
- 188
- Published applications
- 45
- Assignees
- 74
- Inventors
- 364
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 8 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 27 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 5 |
| 2004 | 2 | 4 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 4 |
| 2013 | 2 | 1 |
| 2014 | 2 | 1 |
| 2015 | 3 | 1 |
| 2016 | 0 | 2 |
| 2017 | 2 | 2 |
| 2018 | 0 | 2 |
| 2019 | 4 | 2 |
| 2020 | 0 | 2 |
| 2021 | 4 | 1 |
| 2022 | 1 | 3 |
| 2023 | 1 | 3 |
| 2024 | 1 | 4 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for preparing enantiomerically enriched substituted pyrrolo[2,3-d]pyrimidines2 Jun 2026US 12,643,902 B2Sun Pharmaceutical Industries Limited
- 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
- Methods to rejuvenate a deactivated hydroformylation catalyst solution25 Jan 2022US 11,229,900 B2Dow Technology Investments LLC
- 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
- Transition metal complex hydroformylation catalyst precuror compositions comprising such compounds, and hydroformylation processes5 Dec 2024US 2024/0399349 A1Dow Technology Investments LLC
- Method for producing aldehyde, method for producing alcohol, and catalyst composition3 Oct 2024US 2024/0327325 A1Mitsubishi Chemical Corporation
- Method for producing aldehyde19 Sep 2024US 2024/0308947 A1Mitsubishi Chemical Corporation
Most cited
By later US patents
- 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
- Stabilizing rhodium catalysts for the hydroformylation of olefins38US 6,500,991 B2Oxeno Olefinchemie GmbH · 2002