B01J 37/02
Impregnation, coating or precipitation
Official title: Impregnation, coating or precipitation ({B01J37/0009 and B01J37/0018 take precedence } ; protection by coating B01J33/00)
B01J37/02 (Impregnation, coating or precipitation) appears on 10,904 US grants and 12,750 published applications in this corpus.
Search patents in B01J- Granted patents
- 10,904
- Published applications
- 12,750
- Assignees
- 3,282
- Inventors
- 23,597
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 72 | 0 |
| 1977 | 64 | 0 |
| 1978 | 56 | 0 |
| 1979 | 40 | 0 |
| 1980 | 37 | 0 |
| 1981 | 62 | 0 |
| 1982 | 20 | 0 |
| 1983 | 33 | 0 |
| 1984 | 54 | 0 |
| 1985 | 53 | 0 |
| 1986 | 53 | 0 |
| 1987 | 35 | 0 |
| 1988 | 52 | 0 |
| 1989 | 50 | 0 |
| 1990 | 54 | 0 |
| 1991 | 72 | 0 |
| 1992 | 58 | 0 |
| 1993 | 91 | 0 |
| 1994 | 94 | 0 |
| 1995 | 99 | 0 |
| 1996 | 105 | 0 |
| 1997 | 87 | 0 |
| 1998 | 132 | 0 |
| 1999 | 125 | 0 |
| 2000 | 145 | 0 |
| 2001 | 164 | 71 |
| 2002 | 157 | 212 |
| 2003 | 186 | 309 |
| 2004 | 184 | 359 |
| 2005 | 188 | 361 |
| 2006 | 188 | 333 |
| 2007 | 180 | 396 |
| 2008 | 174 | 423 |
| 2009 | 255 | 543 |
| 2010 | 363 | 615 |
| 2011 | 336 | 573 |
| 2012 | 348 | 580 |
| 2013 | 420 | 570 |
| 2014 | 449 | 596 |
| 2015 | 518 | 638 |
| 2016 | 544 | 645 |
| 2017 | 489 | 583 |
| 2018 | 515 | 606 |
| 2019 | 553 | 610 |
| 2020 | 521 | 617 |
| 2021 | 481 | 572 |
| 2022 | 459 | 613 |
| 2023 | 433 | 618 |
| 2024 | 426 | 565 |
| 2025 | 369 | 432 |
| 2026 | 261 | 310 |
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
- Catalyst compositions and processes for making and using same6 Oct 2026US 12,752,258 B2ExxonMobil Chemical Patents Inc.
- Selective hydrogenation catalyst comprising a particular distribution of nickel and molybdenum6 Oct 2026US 12,752,261 B2Ifp Energies Nouvelles
- Method of producing nanostructured iron-based catalysts for converting syngas to light olefins6 Oct 2026US 12,752,262 B2Agency for Science, Technology and Research
- Chemical-type hydrocracking catalyst, preparation method therefor, and application thereof6 Oct 2026US 12,752,264 B2China Petroleum & Chemical Corporation
- 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.
- Coral-reef-like bifunctional catalyst for biomass gasification to produce green hydrogen with simultaneous decarbonization, and preparation method and application thereof8 Oct 2026US 2026/0307057 A1Southeast University
- Copper-based catalyst, preparation method therefor, and use thereof8 Oct 2026US 2026/0307059 A1Zhejiang Geely Holding Group Co., Ltd.
- Dielectric mie resonator cupric/cuprous-oxide based photocatalysts for suzuki coupling reaction8 Oct 2026US 2026/0307062 A1
Most cited
By later US patents
- Compositions that can produce polymers334US 6,300,271 B1Phillips Petroleum Company · 2001
- Titania-alumina supported palladium catalyst316US 8,507,720 B2Lyondell Chemical Technology, L,P. · 2013
- Organometal compound catalyst286US 6,391,816 B1Phillips Petroleum Company · 2002
- Compositions that can produce polymers252US 7,601,665 B2Chevron Phillips Chemical Company LP · 2009
- Hydroprocessing using bulk Group VIII/Group VIB catalysts (HEN-9901)250US 6,162,350 AExxon Research & Engineering Co. · 2000