Production of aromatics from di- and polyoxygenates
US-9440892-B2 · Sep 13, 2016 · US
Treating with free oxygen-containing gas
Treating with free oxygen-containing gas · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J38/12 |
| Official title | Treating with free oxygen-containing gas |
| Display label | Treating with free oxygen-containing gas |
| Total patents | 483 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 57 |
| 2016 | 57 |
| 2017 | 47 |
| 2018 | 55 |
| 2019 | 47 |
| 2020 | 40 |
| 2021 | 40 |
| 2022 | 38 |
| 2023 | 23 |
| 2024 | 38 |
| 2025 | 36 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ketonization process using oxidative catalyst regeneration
US-9314785-B1 · Apr 19, 2016 · US
Catalyst regenerators and methods for regenerating catalysts
US-9266103-B1 · Feb 23, 2016 · US
Process and apparatus for fluidizing a regenerator
US-2015360217-A1 · Dec 17, 2015 · US
Exhaust gas treatment catalyst and method for regenerating the same
US-9192920-B2 · Nov 24, 2015 · US
Furan-2,5-dicarboxylic acid purge process
US-2015322029-A1 · Nov 12, 2015 · US
Furan-2,5-dicarboxylic acid purge process
US-2015322028-A1 · Nov 12, 2015 · US
Furan-2,5-dicarboxylic acid purge process
US-2015321180-A1 · Nov 12, 2015 · US
Furan-2,5-dicarboxylic acid purge process
US-2015321119-A1 · Nov 12, 2015 · US
Catalysts for 2-chloro-1,1,1,2-tetrafluoropropane dehydrochlorination
US-9180433-B2 · Nov 10, 2015 · US
Methods of regenerating aromatization catalysts
US-9174895-B2 · Nov 3, 2015 · US
Method for removing arsenic compound, method for regenerating nox removal catalyst, and nox removal catalyst
US-2015306593-A1 · Oct 29, 2015 · US
Regeneration of oligomerisation catalysts and their use
US-9168518-B2 · Oct 27, 2015 · US
Exhaust gas purification catalyst, and exhaust gas purification filter and exhaust gas purification method using the same
US-2015285116-A1 · Oct 8, 2015 · US
Method and system for adapting a clean filter correction map for a selective catalyst reduction filter
US-9149801-B2 · Oct 6, 2015 · US
Method for producing multisubstituted biphenyl compound and solid catalyst to be used therein
US-2015274689-A1 · Oct 1, 2015 · US
Catalyst comprising silver oxide and calcium carbonate, method for the manufacture of the catalyst and its use for the destruction of sterilant
US-2015238943-A1 · Aug 27, 2015 · US
Method for removing arsenic compound, method for regenerating NOx removal catalyst, and NOx removal catalyst
US-9114391-B2 · Aug 25, 2015 · US
Epoxidation process
US-9096562-B2 · Aug 4, 2015 · US
Catalyst for catalytic cracking of hydrocarbon oil and method for catalytic cracking of hydrocarbon oil
US-2015209771-A1 · Jul 30, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J38/12?
- CPC B01J38/12 is the Cooperative Patent Classification code for “Treating with free oxygen-containing gas.”
- How many patents are filed under CPC B01J38/12 (Treating with free oxygen-containing gas)?
- Our database includes 483 publications tagged with this CPC code.
- Is patent activity under CPC B01J38/12 growing?
- Publication counts under this code: 38 in 2024 vs 36 in 2025 (latest complete years).