Method and catalyst system for the production of para-xylene
US-10144006-B2 · Dec 4, 2018 · US
containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C2529/48 |
| Official title | containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium |
| Display label | containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium |
| Total patents | 185 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 21 |
| 2017 | 18 |
| 2018 | 18 |
| 2019 | 32 |
| 2020 | 24 |
| 2021 | 24 |
| 2022 | 10 |
| 2023 | 6 |
| 2024 | 12 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for producing aromatics and olefins
US-2018327676-A1 · Nov 15, 2018 · US
Dual catalyst system for propylene production
US-2018326408-A1 · Nov 15, 2018 · US
Alkylaromatic conversion catalyst
US-2018243731-A1 · Aug 30, 2018 · US
Upgrading ethane-containing light paraffins streams
US-2018170838-A1 · Jun 21, 2018 · US
Process and catalyst for methane conversion to aromatics
US-9950971-B2 · Apr 24, 2018 · US
Zeolitic catalytic conversion of alcohols to hydrocarbon fractions with reduced gaseous hydrocarbon content
US-2017355649-A1 · Dec 14, 2017 · US
Hydrocarbon conversion
US-9828308-B2 · Nov 28, 2017 · US
Process for producing an Si-bonded fluidized-bed catalyst
US-9821300-B2 · Nov 21, 2017 · US
Hydrocarbon dehydrocyclization
US-9815749-B2 · Nov 14, 2017 · US
Hydrocarbon Conversion
US-2017247300-A1 · Aug 31, 2017 · US
Hydrocarbon Conversion
US-2017247299-A1 · Aug 31, 2017 · US
MFI with unusual morphology
US-9725327-B2 · Aug 8, 2017 · US
Hydrocarbon conversion
US-9682900-B2 · Jun 20, 2017 · US
Monolith structure loaded with metal promoted nanozeolites for enhanced propylene selectivity in methanol conversion
US-9682367-B2 · Jun 20, 2017 · US
Hydrocarbon conversion
US-9682899-B2 · Jun 20, 2017 · US
Hydrocarbon Dehydrocyclization
US-2017144947-A1 · May 25, 2017 · US
Dual catalyst system for propylene production
US-2017113211-A1 · Apr 27, 2017 · US
Method and Catalyst System for Improving Benzene Purity in a Xylenes Isomerization Process
US-2017081259-A1 · Mar 23, 2017 · US
Process for the aromatization of a methane-containing gas stream using titanium alloy hydrogen acceptor particles
US-2017081258-A1 · Mar 23, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C2529/48?
- CPC C07C2529/48 is the Cooperative Patent Classification code for “containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium.”
- How many patents are filed under CPC C07C2529/48 (containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium)?
- Our database includes 185 publications tagged with this CPC code.
- Is patent activity under CPC C07C2529/48 growing?
- Publication counts under this code: 12 in 2024 vs 3 in 2025 (latest complete years).