B01J 2231/00
Catalytic reactions performed with catalysts classified in b01j31/00
Official title: Catalytic reactions performed with catalysts classified in B01J31/00
B01J2231/00 (Catalytic reactions performed with catalysts classified in b01j31/00) appears on 5,900 US grants and 4,961 published applications in this corpus.
Search patents in B01J- Granted patents
- 5,900
- Published applications
- 4,961
- Assignees
- 1,864
- Inventors
- 12,362
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 102 | 0 |
| 1977 | 68 | 0 |
| 1978 | 54 | 0 |
| 1979 | 63 | 0 |
| 1980 | 78 | 0 |
| 1981 | 111 | 0 |
| 1982 | 79 | 0 |
| 1983 | 73 | 0 |
| 1984 | 78 | 0 |
| 1985 | 75 | 0 |
| 1986 | 55 | 0 |
| 1987 | 60 | 0 |
| 1988 | 40 | 0 |
| 1989 | 65 | 0 |
| 1990 | 53 | 0 |
| 1991 | 60 | 0 |
| 1992 | 89 | 0 |
| 1993 | 104 | 0 |
| 1994 | 82 | 0 |
| 1995 | 62 | 0 |
| 1996 | 74 | 0 |
| 1997 | 81 | 0 |
| 1998 | 146 | 0 |
| 1999 | 119 | 0 |
| 2000 | 126 | 0 |
| 2001 | 131 | 39 |
| 2002 | 119 | 97 |
| 2003 | 131 | 167 |
| 2004 | 116 | 165 |
| 2005 | 98 | 180 |
| 2006 | 121 | 132 |
| 2007 | 113 | 137 |
| 2008 | 76 | 137 |
| 2009 | 72 | 131 |
| 2010 | 117 | 173 |
| 2011 | 100 | 163 |
| 2012 | 100 | 159 |
| 2013 | 130 | 191 |
| 2014 | 145 | 213 |
| 2015 | 199 | 311 |
| 2016 | 229 | 319 |
| 2017 | 282 | 257 |
| 2018 | 240 | 279 |
| 2019 | 254 | 292 |
| 2020 | 234 | 236 |
| 2021 | 216 | 233 |
| 2022 | 170 | 228 |
| 2023 | 146 | 202 |
| 2024 | 169 | 224 |
| 2025 | 108 | 180 |
| 2026 | 87 | 116 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 2231/30Addition reactions at carbon centres, i.e. to either c-c or c-x multipleIndexing code1,958
- B01J 2231/60Reduction reactionsIndexing code1,270
- B01J 2231/40Substitution reactions at carbon centresIndexing code1,136
- B01J 2231/70Oxidation reactionsIndexing code727
- B01J 2231/50Redistribution or isomerisation reactions of c-c, c=c or c-c triple bondsIndexing code691
- B01J 2231/10Polymerisation reactions involving at least dual use catalystsIndexing code642
- B01J 2231/20Olefin oligomerisation or telomerisationIndexing code629
- B01J 2231/005General conceptsIndexing code139
Recent patents
- Immobolized organometallic catalyst and application of same6 Oct 2026US 12,752,265 B2Saudi Arabian Oil Company
- Preparation of organosilicon compounds with carbinol functionality6 Oct 2026US 12,753,193 B2Dow Global Technologies LLC
- Internal diene compounds and their Pt complexes for catalyzed reactions including hydrosilylation29 Sep 2026US 12,746,537 B2
- Acousticmicrofluidic driven one-step template-free engineering of porous multidimensional multimetallic nanoarchitectures with tunable size, shape, and composition22 Sep 2026US 12,741,277 B2Qatar University
- Method for carrying out reaction of isatin compound and cyclopropenone compound at low catalytic amount22 Sep 2026US 12,741,972 B2Soochow University
- Bifunctional acidic catalysts and preperation methods of furfural via catalyzing hemicellulose or xylose8 Oct 2026US 2026/0307066 A1Nanjing University
- Selective olefin oligomerization with transition metal amine bis(phenolate) catalysts8 Oct 2026US 2026/0308083 A1Chevron Phillips Chemical Company LP
- Process for preparing 2,3-unsaturated alcohols8 Oct 2026US 2026/0308092 A1BASF SE
- Process for improving rhodium/phosphite-based homogenous hydroformylation catalyst activity8 Oct 2026US 2026/0308098 A1Dow Technology Investments LLC
- Novel compound or salt thereof, catalyst, method of preparing novel compound or salt thereof and method of preparing mannich product8 Oct 2026US 2026/0308178 A1Okinawa Institute of Science and Technology School Corporation
Most cited
By later US patents
- Copper-catalysed ligation of azides and acetylenes267US 7,375,234 B2The Scripps Research Institute · 2008
- Platinum complexes and use thereof172US 5,175,325 ADow Corning Corporation · 1992
- High metathesis activity ruthenium and osmium metal carbene complexes146US 5,831,108 ACalifornia Institute of Technology · 1998
- Carbonylation catalysts143US 4,792,620 ABP Chemicals Limited · 1988
- Metallocenes containing aryl-substituted indenyl derivatives as ligands, process for their preparation, and their use as catalysts137US 5,770,753 ATargor GmbH · 1998