B01J 2229/12
To alter the outside of the crystallites
Official title: to alter the outside of the crystallites, e.g. selectivation
B01J2229/12 (To alter the outside of the crystallites) appears on 263 US grants and 157 published applications in this corpus.
Search patents in B01J- Granted patents
- 263
- Published applications
- 157
- Assignees
- 100
- Inventors
- 604
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 10 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 7 | 6 |
| 2003 | 7 | 13 |
| 2004 | 8 | 8 |
| 2005 | 10 | 15 |
| 2006 | 7 | 2 |
| 2007 | 6 | 5 |
| 2008 | 10 | 7 |
| 2009 | 7 | 7 |
| 2010 | 6 | 8 |
| 2011 | 5 | 5 |
| 2012 | 1 | 6 |
| 2013 | 7 | 5 |
| 2014 | 7 | 1 |
| 2015 | 0 | 10 |
| 2016 | 1 | 6 |
| 2017 | 6 | 7 |
| 2018 | 6 | 9 |
| 2019 | 8 | 7 |
| 2020 | 9 | 9 |
| 2021 | 7 | 4 |
| 2022 | 6 | 6 |
| 2023 | 6 | 3 |
| 2024 | 3 | 5 |
| 2025 | 2 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing para-xylene5 May 2026US 12,617,739 B2Chiyoda Corporation
- Bio-LPG production process21 Apr 2026US 12,606,749 B2Calor Gas Limited
- Fluidized bed reactor, device and method for preparing low-carbon olefins from oxygen-containing compound29 Apr 2025US 12,286,594 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Methods of etherification7 Jan 2025US 12,187,671 B2Dow Global Technologies LLC
- Method for making functional structural body31 Dec 2024US 12,179,182 B2Furukawa Electric Co., Ltd.
- Ferrierite (fer)-type zeolites and the uses thereof30 Jul 2026US 2026/0216711 A1Braskem America, Inc.
- Manufacturing method for zeolite catalyst with silica coating, and zeolite catalyst14 Aug 2025US 2025/0256268 A1Kawasaki Jukogyo Kabushiki Kaisha
- Magnetic mesoporous silica-based (mmps) materials17 Jul 2025US 2025/0229250 A1Centre National De La Recherche Scientifique
- Surface modification of mesoporous zeolite y without pore blockage8 Aug 2024US 2024/0262700 A1Chevron U.S.A.Inc.
- Method for producing modified aluminosilicate, modified aluminosilicate, and method for producing aromatic polyhydroxide compound using same4 Jul 2024US 2024/0216899 A1Mitsui Chemicals, Inc.
Most cited
By later US patents
- Silica-modified zeolite catalyst and conversion therewith85US 4,060,568 AMobil Oil Corporation · 1977
- Crystalline silica and use in alkylation of aromatics82US 4,283,306 AE. I. Du Pont de Nemours and Company · 1981
- Shape selective conversion of hydrocarbons over extrusion-modified molecular sieve73US 5,365,003 AMobil Oil Corporation · 1994
- Toluene disproportionation catalyst71US 5,173,461 AMobil Oil Corporation · 1992
- Selectivating zeolites with organosiliceous agents70US 5,516,736 AMobil Oil Corporation · 1996