Synthesis of Nanocrystalline MFI Zeolite, Synthesis Method and use Thereof in Catalytic Applications
US-2020207631-A1 · Jul 2, 2020 · US
Pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
Pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11 · 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 | C01B39/36 |
| Official title | Pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11 |
| Display label | Pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11 |
| Total patents | 90 |
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 | 9 |
| 2016 | 9 |
| 2017 | 17 |
| 2018 | 7 |
| 2019 | 15 |
| 2020 | 7 |
| 2021 | 9 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Zeolite production method
US-10669157-B2 · Jun 2, 2020 · US
Dehydration method and dehydration apparatus
US-2020122096-A1 · Apr 23, 2020 · US
Zeolite production method
US-10479692-B2 · Nov 19, 2019 · US
Production method of ϵ-caprolactam
US-10457636-B2 · Oct 29, 2019 · US
Methods for synthesizing hierarchical zeolites for catalytic cracking
US-10427142-B1 · Oct 1, 2019 · US
Small crystal, high surface area EMM-30 zeolites, their synthesis and use
US-10427147-B2 · Oct 1, 2019 · US
Zeolite catalysts, methods for producing zeolite catalysts, and methods for producing lower olefins
US-2019255516-A1 · Aug 22, 2019 · US
Production method of epsilon-caprolactam
US-2019241513-A1 · Aug 8, 2019 · US
Methods for synthesizing hierarchical zeolites for catalytic cracking
US-10350585-B1 · Jul 16, 2019 · US
Molecular sieve, preparation thereof and acoustic absorption material and speaker containing the same
US-2019202706-A1 · Jul 4, 2019 · US
Yields in xylene isomerization using layer MFI zeolites
US-10336665-B2 · Jul 2, 2019 · US
Mesoporous zeolites and methods for the synthesis thereof
US-10272418-B2 · Apr 30, 2019 · US
Mesoporous zeolites and methods for the synthesis thereof
US-2019039054-A1 · Feb 7, 2019 · US
Mesoporous MFI-zeolite catalysts, methods of preparing the same and uses
US-10195594-B2 · Feb 5, 2019 · US
Process for hydroxylation of aromatic compounds, hydroxylation catalyst and process for preparing same
US-10173954-B2 · Jan 8, 2019 · US
High meso-surface area and high acid site density pentasil zeolite for use in xylene conversion
US-10166532-B2 · Jan 1, 2019 · US
High meso-surface area, low Si/Al ratio pentasil zeolite
US-10167201-B2 · Jan 1, 2019 · US
High surface area pentasil zeolite and process for making same
US-2018273392-A1 · Sep 27, 2018 · US
HIGH MESO-SURFACE AREA, LOW Si/Al RATIO PENTASIL ZEOLITE
US-2018273394-A1 · Sep 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B39/36?
- CPC C01B39/36 is the Cooperative Patent Classification code for “Pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11.”
- How many patents are filed under CPC C01B39/36 (Pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11)?
- Our database includes 90 publications tagged with this CPC code.
- Is patent activity under CPC C01B39/36 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).