B01J 31/4053
With recovery of phosphorous catalyst system constituents
Official title: {with recovery of phosphorous catalyst system constituents}
B01J31/4053 (With recovery of phosphorous catalyst system constituents) appears on 117 US grants and 48 published applications in this corpus.
Search patents in B01J- Granted patents
- 117
- Published applications
- 48
- Assignees
- 53
- Inventors
- 240
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 20 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 3 |
| 2004 | 2 | 4 |
| 2005 | 1 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 2 | 1 |
| 2011 | 3 | 2 |
| 2012 | 0 | 3 |
| 2013 | 3 | 2 |
| 2014 | 4 | 4 |
| 2015 | 7 | 3 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 3 |
| 2023 | 2 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of preparing acrylonitrile dimer3 Jun 2025US 12,319,642 B2LG Chem.Ltd.
- Process for separating one or more components from a mixture20 Aug 2024US 12,064,755 B2Evonik Oxeno GmbH
- Hydrophilic phosphorus ligand and method for separation and recovery of catalyst31 Oct 2023US 11,801,504 B2Industrial Technology Research Institute
- Methods for recovering and reusing selective homogeneous hydrogenation catalyst7 Feb 2023US 11,571,687 B2Hanwha Solutions Corporation
- Methods to rejuvenate a deactivated hydroformylation catalyst solution25 Jan 2022US 11,229,900 B2Dow Technology Investments LLC
- Recycling of homogeneous palladium catalyst3 Sep 2026US 2026/0257214 A1Firmenich SA
- Compounds, transition metal complex hydroformylation catalyst precuror compositions comprising such compounds, and hydroformylation processes24 Apr 2025US 2025/0128245 A1Dow Technology Investments LLC
- Process for the synthesis of l-iditol and recycling of the catalyst16 Jan 2025US 2025/0019328 A1BASF SE
- 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
Most cited
By later US patents
- Process for separating zero-valent nickel species from divalent nickel species97US 4,387,056 AE. I. Du Pont de Nemours and Company · 1983
- Transition metal complex catalyzed reactions67US 4,717,775 AUnion Carbide Corporation · 1988
- Separation processes39US 5,952,530 AUnion Carbide Chemicals & Plastics Technology Corporation · 1999
- Hydroformylation process for preparation of aldehydes and alcohols34US 4,528,403 AMitsubishi Chemical Industries Limited · 1985
- Separation processes34US 5,932,772 AUnion Carbide Chemicals & Plastics Technology Corporation · 1999