B01J 37/28
Phosphorising
B01J37/28 (Phosphorising) appears on 316 US grants and 388 published applications in this corpus.
Search patents in B01J- Granted patents
- 316
- Published applications
- 388
- Assignees
- 196
- Inventors
- 1,028
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 2 | 4 |
| 2005 | 5 | 6 |
| 2006 | 1 | 9 |
| 2007 | 3 | 5 |
| 2008 | 3 | 4 |
| 2009 | 8 | 10 |
| 2010 | 6 | 18 |
| 2011 | 5 | 17 |
| 2012 | 6 | 14 |
| 2013 | 7 | 27 |
| 2014 | 11 | 30 |
| 2015 | 22 | 40 |
| 2016 | 19 | 25 |
| 2017 | 25 | 21 |
| 2018 | 33 | 18 |
| 2019 | 31 | 20 |
| 2020 | 17 | 16 |
| 2021 | 27 | 14 |
| 2022 | 10 | 14 |
| 2023 | 8 | 23 |
| 2024 | 13 | 23 |
| 2025 | 11 | 13 |
| 2026 | 14 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composite catalyst, method for producing composite catalyst, and method for producing lower olefins29 Sep 2026US 12,746,536 B2Chiyoda Corporation
- Catalytic cracking of bio feedstocks and waste plastics with deactivated phosphorus-containing ZSM-5 catalyst8 Sep 2026US 12,729,342 B2Chevron U.S.A.Inc.
- Processes for synthesizing paraxylene and catalyst for same9 Jun 2026US 12,649,703 B2Uop LLC
- Catalysts comprising phosphorus stabilized MSE framework type zeolite, its preparation and use thereof in fluid catalytic applications19 May 2026US 12,629,666 B2BASF SE
- Method for rejuvenating a catalyst from a hydroprocessing and/or hydrocracking process19 May 2026US 12,629,669 B2Ifp Energies Nouvelles
- Molybdenum phosphide single crystal with controlled crystal facet and manufacturing method thereof10 Sep 2026US 2026/0265952 A1Sungshin Women's University R&Db Foundation
- Recycling of homogeneous palladium catalyst3 Sep 2026US 2026/0257214 A1Firmenich SA
- One-step fixed-bed catalytic process for upgrading pyrolysis oil to lighter aromatic compounds27 Aug 2026US 2026/0250582 A1Saudi Arabian Oil Company
- Process for continuous hydrogenation of aqueous levulinic acid to gamma-valerolactone and its tandem conversion to high octane gasoline range hydrocarbons6 Aug 2026US 2026/0225081 A1Eco-Oil Miljobranslen I Sverige AB
- Preparation method for hydropyrolysis catalyst with higher density; biomass hydropyrolysis process using obtained catalyst30 Jul 2026US 2026/0216709 A1Shell USA, Inc.
Most cited
By later US patents
- Phosphorus-containing zeolite catalyst101US 3,972,832 AMobil Oil Corporation · 1976
- High temperature catalyst and process for selective catalytic reduction of NOx in exhaust gases of fossil fuel combustion78US 7,695,703 B2Siemens Energy, Inc. · 2010
- Extending catalyst life by treating with phosphorus and/or steam73US 4,356,338 AMobil Oil Corporation · 1982
- Catalyst composition with high efficiency for the production of light olefins62US 6,566,293 B1Akzo Nobel N. V. · 2003
- Methylation of toluene46US 3,965,208 AMobil Oil Corporation · 1976