B01J 31/00
Catalysts comprising hydrides, coordination complexes or organic compounds
Official title: Catalysts comprising hydrides, coordination complexes or organic compounds (catalyst compositions used only in polymerisation reactions C08 {; catalytic antibodies C12N9/0002})
B01J31/00 (Catalysts comprising hydrides, coordination complexes or organic compounds) appears on 9,760 US grants and 8,544 published applications in this corpus.
Search patents in B01J- Granted patents
- 9,760
- Published applications
- 8,544
- Assignees
- 2,945
- Inventors
- 20,592
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 144 | 0 |
| 1977 | 103 | 0 |
| 1978 | 112 | 0 |
| 1979 | 94 | 0 |
| 1980 | 109 | 0 |
| 1981 | 160 | 0 |
| 1982 | 125 | 0 |
| 1983 | 111 | 0 |
| 1984 | 101 | 0 |
| 1985 | 106 | 0 |
| 1986 | 87 | 0 |
| 1987 | 81 | 0 |
| 1988 | 64 | 0 |
| 1989 | 104 | 0 |
| 1990 | 94 | 0 |
| 1991 | 96 | 0 |
| 1992 | 133 | 0 |
| 1993 | 143 | 0 |
| 1994 | 129 | 0 |
| 1995 | 121 | 0 |
| 1996 | 137 | 0 |
| 1997 | 142 | 0 |
| 1998 | 207 | 0 |
| 1999 | 170 | 0 |
| 2000 | 205 | 0 |
| 2001 | 230 | 57 |
| 2002 | 224 | 172 |
| 2003 | 200 | 257 |
| 2004 | 179 | 255 |
| 2005 | 165 | 271 |
| 2006 | 200 | 212 |
| 2007 | 164 | 230 |
| 2008 | 112 | 220 |
| 2009 | 130 | 250 |
| 2010 | 203 | 322 |
| 2011 | 161 | 303 |
| 2012 | 182 | 283 |
| 2013 | 254 | 361 |
| 2014 | 269 | 383 |
| 2015 | 332 | 436 |
| 2016 | 377 | 489 |
| 2017 | 409 | 418 |
| 2018 | 354 | 463 |
| 2019 | 405 | 502 |
| 2020 | 426 | 445 |
| 2021 | 376 | 468 |
| 2022 | 317 | 431 |
| 2023 | 311 | 413 |
| 2024 | 304 | 382 |
| 2025 | 225 | 321 |
| 2026 | 173 | 200 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 31/16Containing coordination complexes6,314
- B01J 31/02Containing organic compounds or metal hydrides5,575
- B01J 31/26Containing in addition, inorganic metal compounds not provided for in groups b01j31/021,336
- B01J 31/40Regeneration or reactivation664
- B01J 31/003Containing enzymes82
- B01J 31/006Comprising organic radicals58
Recent patents
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- Internal diene compounds and their Pt complexes for catalyzed reactions including hydrosilylation29 Sep 2026US 12,746,537 B2
- Method to Encapsulate Metal Organic Frameworks with Polymers to form Highly Porous Microbeads8 Oct 2026US 2026/0306894 A1TDA Research, Inc.
- Bifunctional acidic catalysts and preperation methods of furfural via catalyzing hemicellulose or xylose8 Oct 2026US 2026/0307066 A1Nanjing University
- Oxygen reduction catalyst and use thereof8 Oct 2026US 2026/0307067 A1Toyota Jidosha Kabushiki Kaisha
- 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
Most cited
By later US patents
- Catalyst system of enhanced productivity544US 5,153,157 AExxon Chemical Patents Inc. · 1992
- Functional, photochemically active, and chemically asymmetric membranes by interfacial polymerization of derivatized multifunctional prepolymers410US 4,784,736 ABend Research, Inc. · 1988
- Functional, photochemically active, and chemically asymmetric membranes by interfacial polymerization of derivatized multifunctional prepolymers370US 4,917,800 ABend Research, Inc. · 1990
- Compositions that can produce polymers334US 6,300,271 B1Phillips Petroleum Company · 2001
- Organometal catalyst compositions329US 6,355,594 B1Phillips Petroleum Company · 2002