Methods for producing multifunctional catalysts for upgrading pyrolysis oil
US-10870106-B1 · Dec 22, 2020 · US
with chromium, molybdenum, tungsten or polonium
with chromium, molybdenum, tungsten or polonium · 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 | B01J27/199 |
| Official title | with chromium, molybdenum, tungsten or polonium |
| Display label | with chromium, molybdenum, tungsten or polonium |
| Total patents | 94 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 12 |
| 2017 | 10 |
| 2018 | 14 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 12 |
| 2022 | 8 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oxovanadium phosphate catalyst, and preparation method and application therefor
US-2020368730-A1 · Nov 26, 2020 · US
Methods for producing multifunctional catalysts for upgrading pyrolysis oil
US-10751710-B1 · Aug 25, 2020 · US
Process for producing a vpo catalyst
US-2020222893-A1 · Jul 16, 2020 · US
Method for preparing catalyst
US-10569260-B2 · Feb 25, 2020 · US
Preparation method of phosphotungstic acid
US-2019185341-A1 · Jun 20, 2019 · US
Catalyst and its use for the selective hydrodesulfurization of an olefin containing hydrocarbon feedstock
US-2019151836-A1 · May 23, 2019 · US
Low temperature sulfur tolerant tar removal with concomitant synthesis gas conditioning
US-10232356-B2 · Mar 19, 2019 · US
Catalyst and its use for the selective hydrodesulfurization of an olefin containing hydrocarbon feedstock
US-10220379-B2 · Mar 5, 2019 · US
Method for preparing catalyst
US-2019060884-A1 · Feb 28, 2019 · US
Catalyst for metal mercury oxidation reactions and nitrogen oxide reduction reactions, and exhaust gas purification method
US-2019015821-A1 · Jan 17, 2019 · US
Photocatalyst, production method thereof, component, and device
US-2018333707-A1 · Nov 22, 2018 · US
Catalyst and process for hydroconversion of a heavy feedstock
US-10118161-B2 · Nov 6, 2018 · US
Process and catalyst for the hydrotreatment of a heavy hydrocarbon feedstock
US-10118158-B2 · Nov 6, 2018 · US
Catalyst for treating an exhaust gas, an exhaust system and a method
US-2018280943-A1 · Oct 4, 2018 · US
Process for preparing modified V—Ti—P catalysts for synthesis of 2,3-unsaturated carboxylic acids
US-10065180-B2 · Sep 4, 2018 · US
Heterogeneous catalysts for the transesterification of aromatic alcohols; and methods of making and use thereof
US-10059652-B2 · Aug 28, 2018 · US
Alkali metal-modified vanadium-phosphorus oxide (VPO) catalyst
US-9931618-B2 · Apr 3, 2018 · US
Porous polymer supported poloxometalates
US-9932455-B2 · Apr 3, 2018 · US
Process for preparing modified v-ti-p catalysts for synthesis of 2,3-unsaturated carboxylic acids
US-2018085741-A1 · Mar 29, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J27/199?
- CPC B01J27/199 is the Cooperative Patent Classification code for “with chromium, molybdenum, tungsten or polonium.”
- How many patents are filed under CPC B01J27/199 (with chromium, molybdenum, tungsten or polonium)?
- Our database includes 94 publications tagged with this CPC code.
- Is patent activity under CPC B01J27/199 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).