B01J 38/12
Treating with free oxygen-containing gas
B01J38/12 (Treating with free oxygen-containing gas) appears on 847 US grants and 910 published applications in this corpus.
Search patents in B01J- Granted patents
- 847
- Published applications
- 910
- Assignees
- 355
- Inventors
- 2,300
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 9 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 13 | 0 |
| 1992 | 14 | 0 |
| 1993 | 13 | 0 |
| 1994 | 12 | 0 |
| 1995 | 9 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 6 |
| 2002 | 13 | 14 |
| 2003 | 7 | 25 |
| 2004 | 22 | 26 |
| 2005 | 21 | 27 |
| 2006 | 20 | 19 |
| 2007 | 20 | 23 |
| 2008 | 15 | 17 |
| 2009 | 16 | 26 |
| 2010 | 23 | 55 |
| 2011 | 25 | 43 |
| 2012 | 22 | 35 |
| 2013 | 32 | 44 |
| 2014 | 53 | 42 |
| 2015 | 33 | 52 |
| 2016 | 36 | 54 |
| 2017 | 41 | 50 |
| 2018 | 44 | 46 |
| 2019 | 45 | 47 |
| 2020 | 39 | 43 |
| 2021 | 40 | 31 |
| 2022 | 35 | 45 |
| 2023 | 25 | 26 |
| 2024 | 24 | 47 |
| 2025 | 25 | 42 |
| 2026 | 21 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 38/30In gaseous suspension235
- B01J 38/14With control of oxygen content in oxidation gas117
- B01J 38/20Plural distinct oxidation stages62
- B01J 38/22Moving bed57
- B01J 38/16Oxidation gas comprising essentially steam and oxygen43
- B01J 38/18With subsequent reactive gas treating41
- B01J 38/40And forming useful by-products19
- B01J 38/38And adding heat by solid heat carrier16
Recent patents
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- Dual reactor system for simultaneous decontamination and cracking of plastic derived oil to circular chemicals22 Sep 2026US 12,742,125 B2Saudi Arabian Oil Company
- Inhibiting CO emissions during catalyst regeneration15 Sep 2026US 12,734,516 B1Chevron U.S.A.Inc.
- Process and catalyst for converting natural gasoline to light olefins8 Sep 2026US 12,729,345 B2King Fahd University of Petroleum and Minerals
- Fluidized bed reactor system for catalytic cracking of light hydrocarbons1 Sep 2026US 12,723,203 B2Chevron U.S.A.Inc.
- Fluidized bed reactor system for catalytic cracking of light hydrocarbons8 Oct 2026US 2026/0308462 A1Chevron U.S.A.Inc.
- Methods for making light olefins by dehydrogenation using catalysts that include manganese17 Sep 2026US 2026/0274771 A1Dow Global Technologies LLC
- Method of passivating a fischer-tropsch catalyst20 Aug 2026US 2026/0241377 A1Johnson Matthey Davy Technologies Limited
- Deep dechlorination of plastic derived oil using spray dried mixed metal oxide catalyst30 Jul 2026US 2026/0218062 A1Saudi Arabian Oil Company
- Catalyst for paraffin dehydrogenation23 Jul 2026US 2026/0208161 A1Sabic Global Technologies B.V.
Most cited
By later US patents
- Utilization of energy obtained by substoichiometric combustion of low heating value gases296US 4,299,086 AGulf Research & Development Company · 1981
- Method and apparatus for producing carbon nanotubes180US 6,413,487 B1The Board of Regents of the University of Oklahoma · 2002
- Method and apparatus for producing carbon nanotubes79US 6,955,800 B2The Board of Regents of the University of Oklahoma · 2005
- Process for preparing a large pore hydroprocessing catalyst76US 6,030,915 AAkzo Nobel N. V. · 2000
- Conversion of plastics to olefin and aromatic products with product recycle75US 9,428,695 B2Saudi Basic Industries Corporation · 2016