B01J 2531/822
Rhodium
B01J2531/822 (Rhodium) appears on 1,210 US grants and 666 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,210
- Published applications
- 666
- Assignees
- 441
- Inventors
- 2,212
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 34 | 0 |
| 1977 | 14 | 0 |
| 1978 | 27 | 0 |
| 1979 | 22 | 0 |
| 1980 | 34 | 0 |
| 1981 | 35 | 0 |
| 1982 | 29 | 0 |
| 1983 | 22 | 0 |
| 1984 | 27 | 0 |
| 1985 | 24 | 0 |
| 1986 | 19 | 0 |
| 1987 | 11 | 0 |
| 1988 | 9 | 0 |
| 1989 | 14 | 0 |
| 1990 | 20 | 0 |
| 1991 | 18 | 0 |
| 1992 | 18 | 0 |
| 1993 | 29 | 0 |
| 1994 | 27 | 0 |
| 1995 | 19 | 0 |
| 1996 | 25 | 0 |
| 1997 | 17 | 0 |
| 1998 | 56 | 0 |
| 1999 | 30 | 0 |
| 2000 | 33 | 0 |
| 2001 | 36 | 8 |
| 2002 | 30 | 24 |
| 2003 | 39 | 41 |
| 2004 | 28 | 44 |
| 2005 | 27 | 33 |
| 2006 | 27 | 30 |
| 2007 | 24 | 24 |
| 2008 | 13 | 18 |
| 2009 | 22 | 27 |
| 2010 | 24 | 26 |
| 2011 | 17 | 27 |
| 2012 | 15 | 15 |
| 2013 | 17 | 18 |
| 2014 | 22 | 16 |
| 2015 | 24 | 34 |
| 2016 | 28 | 43 |
| 2017 | 42 | 25 |
| 2018 | 20 | 23 |
| 2019 | 26 | 28 |
| 2020 | 19 | 21 |
| 2021 | 20 | 31 |
| 2022 | 22 | 33 |
| 2023 | 15 | 28 |
| 2024 | 20 | 23 |
| 2025 | 13 | 20 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Preparation of organosilicon compounds with carbinol functionality6 Oct 2026US 12,753,193 B2Dow Global Technologies LLC
- Methods for preparing (2S,3R,4R)-4,5-dihydroxyisoleucine derivative and intermediates thereof15 Sep 2026US 12,735,384 B2Inner Mongolia Duhe Innovation R & D Tech Co., Ltd
- Process for hydroformylation with removal of dissolved hydrogen28 Apr 2026US 12,612,351 B2Johnson Matthey Davy Technologies Limited
- Process for the hydroformylation of olefins in homogeneous phase21 Apr 2026US 12,606,512 B2Oxea GmbH
- Diphenylamine-linked chiral bis(oxazoline) ligand without C2-symmetry, synthesis method and application thereof10 Feb 2026US 12,545,651 B2Zhejiang University of Technology
- Process for improving rhodium/phosphite-based homogenous hydroformylation catalyst activity8 Oct 2026US 2026/0308098 A1Dow Technology Investments LLC
- Process for preparing, by hydroformylation, short-chain olefins in the gas phase20 Aug 2026US 2026/0242321 A1Evonik Oxeno GmbH
- Catalyst system and method for carbonylation reaction23 Jul 2026US 2026/0208174 A1Shandong Nhu Fine Chemical Science and Technology Company Ltd.
- Tri-(adamantyl)phosphines and applications thereof16 Apr 2026US 2026/0102762 A1The Trustees of Princeton University
- Process for preparing, by hydroformylation, short-chain olefins in the gas phase29 Jan 2026US 2026/0027559 A1Evonik Oxeno GmbH
Most cited
By later US patents
- Carbonylation catalysts143US 4,792,620 ABP Chemicals Limited · 1988
- Transition metal complex catalyzed processes126US 4,769,498 AUnion Carbide Corporation · 1988
- Transition metal complex catalyzed processes112US 4,668,651 AUnion Carbide Corporation · 1987
- Alkane and alkane group dehydrogenation with organometallic catalysts110US 6,909,009 B22005
- Catalytic hydroformylation of olefins102US 4,248,802 ARhone-Poulenc Industries · 1981