Process for preparing olefins by dehydrating alcohols with less side effects comprising addition of sulfur containing compounds
US-10472300-B2 · Nov 12, 2019 · US
of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38
of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38 · 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 | C07C2529/65 |
| Official title | of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38 |
| Display label | of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38 |
| Total patents | 105 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 15 |
| 2017 | 10 |
| 2018 | 5 |
| 2019 | 19 |
| 2020 | 10 |
| 2021 | 8 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for making a catalyst comprising a phosphorous modified zeolite and use of said zeolite
US-10464053-B2 · Nov 5, 2019 · US
Process for preparing hydrocracking catalyst
US-2019321809-A1 · Oct 24, 2019 · US
Method for the isomerizing dehydration of a non-linear primary alcohol feedstock in the presence of water injection and a catalyst comprising a fer or mfs zeolite
US-2019270687-A1 · Sep 5, 2019 · US
Method for synthesizing a fer/mor composite molecular sieve
US-2019262814-A1 · Aug 29, 2019 · US
Process for Dehydration of Mono-Alcohol(s) Using a Modified Crystalline Aluminosilicate
US-2019233348-A1 · Aug 1, 2019 · US
Process for manufacturing methyl tertiary-butyl ether (MTBE) and other hydrocarbons
US-10364204-B2 · Jul 30, 2019 · US
Catalyst Composition Comprising Modified Crystalline Aluminosilicate for Dehydration
US-2019194090-A1 · Jun 27, 2019 · US
Process for converting paraffin to olefin and catalyst for use therein
US-10329220-B2 · Jun 25, 2019 · US
Process for converting paraffin to olefin and catalyst for use therein
US-10329219-B2 · Jun 25, 2019 · US
Method for making a catalyst comprising a phosphorous modified zeolite and use of said zeolite
US-10300467-B2 · May 28, 2019 · US
Hydrocarbon dehydrocyclization
US-10273196-B2 · Apr 30, 2019 · US
Process for Preparing Olefins by Dehydrating Alcohols with Less Side Effects Comprising Addition of Organic Acids
US-2019092706-A1 · Mar 28, 2019 · US
Method for dehydrating alcohols into olefins comprising the recycling of alcohols
US-2019084901-A1 · Mar 21, 2019 · US
Process for converting syngas to aromatics and catalyst system suitable therefor
US-10196325-B2 · Feb 5, 2019 · US
Methods of preparing para-xylene from biomass
US-10174158-B2 · Jan 8, 2019 · US
Process for the isomerizing dehydration of a primary alcohol feedstock substituted in position 2 by an alkyl group on a catalyst comprising an iron-type zeolite
US-10099969-B2 · Oct 16, 2018 · US
Method for preparing ethylene glycol by hydrolysing ethylene glycol monomethyl ether
US-2018201557-A1 · Jul 19, 2018 · US
Mesoporous Zeolitic Material, Method for Making the Same and Use
US-2018185827-A1 · Jul 5, 2018 · US
Process of Producing Paraxylene by The Methylation of Toluene and/or Benzene
US-2018155255-A1 · Jun 7, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C2529/65?
- CPC C07C2529/65 is the Cooperative Patent Classification code for “of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38.”
- How many patents are filed under CPC C07C2529/65 (of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38)?
- Our database includes 105 publications tagged with this CPC code.
- Is patent activity under CPC C07C2529/65 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).