B01J 29/04
Catalysts comprising molecular sieves: having base-exchange properties
Official title: having base-exchange properties, e.g. crystalline zeolites {(B01J29/005 takes precedence)}
B01J29/04 (Catalysts comprising molecular sieves: having base-exchange properties) appears on 8,026 US grants and 6,431 published applications in this corpus.
Search patents in B01J- Granted patents
- 8,026
- Published applications
- 6,431
- Assignees
- 1,507
- Inventors
- 11,449
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 65 | 0 |
| 1977 | 50 | 0 |
| 1978 | 93 | 0 |
| 1979 | 74 | 0 |
| 1980 | 90 | 0 |
| 1981 | 114 | 0 |
| 1982 | 89 | 0 |
| 1983 | 115 | 0 |
| 1984 | 141 | 0 |
| 1985 | 144 | 0 |
| 1986 | 142 | 0 |
| 1987 | 129 | 0 |
| 1988 | 112 | 0 |
| 1989 | 161 | 0 |
| 1990 | 147 | 0 |
| 1991 | 172 | 0 |
| 1992 | 181 | 0 |
| 1993 | 171 | 0 |
| 1994 | 179 | 0 |
| 1995 | 118 | 0 |
| 1996 | 90 | 0 |
| 1997 | 86 | 0 |
| 1998 | 107 | 0 |
| 1999 | 136 | 0 |
| 2000 | 167 | 0 |
| 2001 | 98 | 37 |
| 2002 | 105 | 106 |
| 2003 | 122 | 122 |
| 2004 | 101 | 171 |
| 2005 | 109 | 164 |
| 2006 | 113 | 155 |
| 2007 | 88 | 165 |
| 2008 | 124 | 175 |
| 2009 | 109 | 210 |
| 2010 | 129 | 262 |
| 2011 | 136 | 309 |
| 2012 | 154 | 250 |
| 2013 | 204 | 316 |
| 2014 | 246 | 322 |
| 2015 | 234 | 368 |
| 2016 | 279 | 347 |
| 2017 | 323 | 311 |
| 2018 | 299 | 392 |
| 2019 | 370 | 346 |
| 2020 | 335 | 324 |
| 2021 | 310 | 301 |
| 2022 | 240 | 321 |
| 2023 | 224 | 285 |
| 2024 | 211 | 297 |
| 2025 | 152 | 209 |
| 2026 | 138 | 166 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalyst for light olefins production and a process of light olefins production by using a catalyst thereof6 Oct 2026US 12,752,263 B2PTT Global Chemical Public Company Limited
- Chemical-type hydrocracking catalyst, preparation method therefor, and application thereof6 Oct 2026US 12,752,264 B2China Petroleum & Chemical Corporation
- Method of preparing a hydrocracking catalyst29 Sep 2026US 12,746,535 B2Shell USA, Inc.
- Composite catalyst, method for producing composite catalyst, and method for producing lower olefins29 Sep 2026US 12,746,536 B2Chiyoda Corporation
- Oligomerization with ion-exchanged zeolites29 Sep 2026US 12,747,195 B2Exxonmoil Technology and Engineering Company
- Exhaust purification device8 Oct 2026US 2026/0307009 A1Mazda Motor Corporation
- Method for producing fe-doped beta zeolite catalyst monoliths8 Oct 2026US 2026/0307064 A1BASF SE
- Catalytic article comprising vanadium-containing catalyst and oxidation catalyst8 Oct 2026US 2026/0307065 A1
- Composite catalyst physically mixed with nickel oxide and method for manufacturing the same1 Oct 2026US 2026/0295567 A1Seoul National University R&Db Foundation
- Preparation of meso-y-zeolite with large mesopores1 Oct 2026US 2026/0295568 A1Chevron U.S.A.Inc.
Most cited
By later US patents
- Composition of synthetic porous crystalline material, its synthesis and use352US 4,954,325 AMobil Oil Corporation · 1990
- Crystalline zeolite ZSM-23 and synthesis thereof332US 4,076,842 AMobil Oil Corporation · 1978
- Crystalline aluminosilicate PSH-3 and its process of preparation322US 4,439,409 ABayer Aktiengesellschaft · 1984
- Crystalline zeolite and method of preparing same308US 4,016,245 AMobil Oil Corporation · 1977
- Process for the manufacture of gasoline304US 4,076,761 AMobil Oil Corporation · 1978