Production of high yields of light olefins from heavy hydrocarbons
US-11891356-B2 · Feb 6, 2024 · US
Mixtures of different zeolites
Mixtures of different zeolites · 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 | C07C2529/80 |
| Official title | Mixtures of different zeolites |
| Display label | Mixtures of different zeolites |
| Total patents | 163 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 11 |
| 2017 | 14 |
| 2018 | 21 |
| 2019 | 16 |
| 2020 | 18 |
| 2021 | 14 |
| 2022 | 17 |
| 2023 | 21 |
| 2024 | 10 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sulfiding process for aromatic transalkylations
US-10450243-B2 · Oct 22, 2019 · US
Production of propylene in a fluid catalytic cracking unit
US-10266459-B2 · Apr 23, 2019 · US
Catalyst composition and isomerisation process
US-2018369797-A1 · Dec 27, 2018 · US
Catalyst composition, its preparation and process using such composition
US-2018369795-A1 · Dec 27, 2018 · US
Zeolite composite catalysts for conversion of heavy reformate to xylenes
US-2018361365-A1 · Dec 20, 2018 · US
Catalyst for pyrolysis of feedstock
US-10137442-B2 · Nov 27, 2018 · US
Catalyst composition for fluid catalytic cracking, process for preparing the same and use thereof
US-10130943-B2 · Nov 20, 2018 · US
Catalyst compositions and use in heavy aromatics conversion processes
US-10118165-B2 · Nov 6, 2018 · US
Method for preparing p-xylene and co-producing propylene with high selectivity
US-10099973-B2 · Oct 16, 2018 · US
Catalytic composition and structures made thereof
US-2018272323-A1 · Sep 27, 2018 · US
Transalkylation Processes and Catalyst Compositions Used Therein
US-2018251413-A1 · Sep 6, 2018 · US
Processes for high severity fluid catalytic cracking systems
US-2018244591-A1 · Aug 30, 2018 · US
Processes for high severity fluid catalytic cracking systems
US-10059642-B1 · Aug 28, 2018 · US
Catalyst compositions and use in heavy aromatics conversion processes
US-10058853-B2 · Aug 28, 2018 · US
Catalyst system and use in heavy aromatics conversion processes
US-10058854-B2 · Aug 28, 2018 · US
Catalyst compositions and their use in transalkylation of heavy aromatics to xylenes
US-10053403-B2 · Aug 21, 2018 · US
Catalyst coating and process for the conversion of oxygenates to olefins
US-10005702-B2 · Jun 26, 2018 · US
Processes for high severity fluid catalytic cracking systems
US-9981888-B2 · May 29, 2018 · US
Catalyst Compositions and Their Use in Transalkylation of Heavy Aromatics to Xylenes
US-2018134637-A1 · May 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C2529/80?
- CPC C07C2529/80 is the Cooperative Patent Classification code for “Mixtures of different zeolites.”
- How many patents are filed under CPC C07C2529/80 (Mixtures of different zeolites)?
- Our database includes 163 publications tagged with this CPC code.
- Is patent activity under CPC C07C2529/80 growing?
- Publication counts under this code: 10 in 2024 vs 8 in 2025 (latest complete years).