B01J 37/03
Precipitation
Official title: Precipitation; Co-precipitation
B01J37/03 (Precipitation) appears on 3,380 US grants and 3,866 published applications in this corpus.
Search patents in B01J- Granted patents
- 3,380
- Published applications
- 3,866
- Assignees
- 1,451
- Inventors
- 9,082
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 21 | 0 |
| 1978 | 19 | 0 |
| 1979 | 12 | 0 |
| 1980 | 11 | 0 |
| 1981 | 13 | 0 |
| 1982 | 0 | 0 |
| 1983 | 10 | 0 |
| 1984 | 12 | 0 |
| 1985 | 13 | 0 |
| 1986 | 20 | 0 |
| 1987 | 9 | 0 |
| 1988 | 15 | 0 |
| 1989 | 15 | 0 |
| 1990 | 13 | 0 |
| 1991 | 17 | 0 |
| 1992 | 19 | 0 |
| 1993 | 25 | 0 |
| 1994 | 30 | 0 |
| 1995 | 28 | 0 |
| 1996 | 28 | 0 |
| 1997 | 23 | 0 |
| 1998 | 35 | 0 |
| 1999 | 27 | 0 |
| 2000 | 41 | 0 |
| 2001 | 41 | 19 |
| 2002 | 44 | 52 |
| 2003 | 63 | 82 |
| 2004 | 56 | 111 |
| 2005 | 57 | 106 |
| 2006 | 59 | 86 |
| 2007 | 61 | 122 |
| 2008 | 50 | 90 |
| 2009 | 75 | 166 |
| 2010 | 102 | 186 |
| 2011 | 104 | 169 |
| 2012 | 93 | 162 |
| 2013 | 137 | 205 |
| 2014 | 132 | 187 |
| 2015 | 175 | 193 |
| 2016 | 181 | 206 |
| 2017 | 158 | 180 |
| 2018 | 159 | 178 |
| 2019 | 170 | 199 |
| 2020 | 187 | 186 |
| 2021 | 164 | 176 |
| 2022 | 136 | 202 |
| 2023 | 136 | 212 |
| 2024 | 159 | 183 |
| 2025 | 117 | 116 |
| 2026 | 84 | 92 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for adjusting grouting parameters in preparation of ceramic composite fiber-based catalytic filter tube, and method and device for preparing ceramic composite fiber-based catalytic filter tube6 Oct 2026US 12,752,223 B2Zhejiang Zhiyuan Environmental Technology Co., Ltd
- 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.
- Layered tri-metallic catalytic article and method of manufacturing the catalytic article29 Sep 2026US 12,746,532 B2BASF Mobile Emissions Catalysts LLC
- Decarbonized olefins production using process intensification22 Sep 2026US 12,741,270 B2Exelus, Inc.
- Method to Encapsulate Metal Organic Frameworks with Polymers to form Highly Porous Microbeads8 Oct 2026US 2026/0306894 A1TDA Research, Inc.
- Copper silicate-based catalyst and preparation method therefor8 Oct 2026US 2026/0307055 A1LG Chem.Ltd.
- 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.
- Composite of manganese-based oxide and zeolite useful as nh3-scr catalyst24 Sep 2026US 2026/0284594 A1
Most cited
By later US patents
- Hydroprocessing using bulk Group VIII/Group VIB catalysts (HEN-9901)250US 6,162,350 AExxon Research & Engineering Co. · 2000
- Slurry hydroprocessing using bulk multimetallic catalysts185US 6,712,955 B1ExxonMobil Research and Engineering Company · 2004
- Synthesis of nanometer-sized particles by reverse micelle mediated techniques178US 6,413,489 B1Massachusetts Institute of Technology · 2002
- Hydroconversion process using bulk group VIII/Group VIB catalysts175US 6,620,313 B1ExxonMobil Research and Engineering Company · 2003
- Method of synthesizing zirconium phosphate particles175US 7,566,432 B2Renal Solutions, Inc. · 2009