B01J 37/031
Precipitation
Official title: {Precipitation}
B01J37/031 (Precipitation) appears on 1,961 US grants and 2,379 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,961
- Published applications
- 2,379
- Assignees
- 1,061
- Inventors
- 5,994
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 11 | 0 |
| 1994 | 21 | 0 |
| 1995 | 11 | 0 |
| 1996 | 12 | 0 |
| 1997 | 11 | 0 |
| 1998 | 17 | 0 |
| 1999 | 11 | 0 |
| 2000 | 19 | 0 |
| 2001 | 16 | 8 |
| 2002 | 22 | 24 |
| 2003 | 30 | 37 |
| 2004 | 28 | 38 |
| 2005 | 29 | 55 |
| 2006 | 22 | 37 |
| 2007 | 21 | 49 |
| 2008 | 15 | 30 |
| 2009 | 27 | 56 |
| 2010 | 43 | 94 |
| 2011 | 48 | 106 |
| 2012 | 42 | 99 |
| 2013 | 83 | 147 |
| 2014 | 86 | 131 |
| 2015 | 113 | 136 |
| 2016 | 124 | 140 |
| 2017 | 115 | 118 |
| 2018 | 112 | 119 |
| 2019 | 117 | 146 |
| 2020 | 126 | 136 |
| 2021 | 118 | 123 |
| 2022 | 104 | 116 |
| 2023 | 88 | 149 |
| 2024 | 110 | 133 |
| 2025 | 84 | 88 |
| 2026 | 55 | 64 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of producing nanostructured iron-based catalysts for converting syngas to light olefins6 Oct 2026US 12,752,262 B2Agency for Science, Technology and Research
- Heterogeneous catalyst for transesterification and method of preparing same6 Oct 2026US RE51,051 E1Crystaphase Products, Inc.
- Decarbonized olefins production using process intensification22 Sep 2026US 12,741,270 B2Exelus, Inc.
- Catalyst structure having a core-shell structure with a controlled surface morphology and preparation method thereof15 Sep 2026US 12,734,505 B2University of Seoul Industry Cooperation Foundation
- Copper-based catalyst for reverse water gas shift reaction including gas-permeable amorphous shell formed by strong metal-support interaction15 Sep 2026US 12,734,509 B2Korea Advanced Institute of Science and Technology
- Copper-based catalyst, preparation method therefor, and use thereof8 Oct 2026US 2026/0307059 A1Zhejiang Geely Holding Group Co., Ltd.
- Preparation of meso-y-zeolite with large mesopores1 Oct 2026US 2026/0295568 A1Chevron U.S.A.Inc.
- Methods for forming zeolite-y10 Sep 2026US 2026/0264066 A1Saudi Arabian Oil Company
- Shaped catalyst body27 Aug 2026US 2026/0249277 A1BASF SE
- Copper-zinc oxide-aluminum oxide catalyst for carbon dioxide hydrogenation to methanol and method of preparation thereof20 Aug 2026US 2026/0241371 A1Bharat Petroleum Corporation Limited
Most cited
By later US patents
- Synthesis of nanometer-sized particles by reverse micelle mediated techniques178US 6,413,489 B1Massachusetts Institute of Technology · 2002
- Method of synthesizing zirconium phosphate particles175US 7,566,432 B2Renal Solutions, Inc. · 2009
- Mixed metal catalyst, its preparation by co-precipitation, and its use150US 6,635,599 B1ExxonMobil Research and Engineering Company · 2003
- Process for preparing a mixed metal catalyst composition134US 6,652,738 B2Akzo Nobel N. V. · 2003
- Chemical reactor and method for gas phase reactant catalytic reactions131US 6,488,838 B1Battelle Memorial Institute · 2002