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-2017341996-A1 · Nov 30, 2017 · US
of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively
of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively · 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 | B01J29/65 |
| Official title | of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively |
| Display label | of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively |
| Total patents | 198 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 25 |
| 2016 | 12 |
| 2017 | 23 |
| 2018 | 18 |
| 2019 | 22 |
| 2020 | 20 |
| 2021 | 18 |
| 2022 | 16 |
| 2023 | 22 |
| 2024 | 10 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for preparing double-sealed-end glycol ether
US-2017334818-A1 · Nov 23, 2017 · US
Method for Preparing Methyl Formate and Coproducing Dimethyl Ether
US-2017320807-A1 · Nov 9, 2017 · US
Modified Crystalline Aluminosilicate for Dehydration of Alcohols
US-2017304809-A1 · Oct 26, 2017 · US
Multiple zeolite hydrocarbon traps
US-2017282166-A1 · Oct 5, 2017 · US
Process for producing monobranched fatty acids or alkyl esters thereof
US-9771543-B2 · Sep 26, 2017 · US
Solidothermal synthesis of zeolitic materials and zeolites obtained therefrom
US-2017225959-A1 · Aug 10, 2017 · US
Oxide materials and synthesis by fluoride/chloride anion promoted exfoliation
US-9718048-B2 · Aug 1, 2017 · US
Oxide materials and synthesis by fluoride/chloride anion promoted exfoliation
US-9718049-B2 · Aug 1, 2017 · US
SCR catalytic converter having improved NOx conversion
US-9694320-B2 · Jul 4, 2017 · US
Ethanol production via dimethylether recycle
US-9695097-B2 · Jul 4, 2017 · US
Composition and process for preparation of cracking catalyst suitable for enhancing yields of light olefins
US-2017144139-A1 · May 25, 2017 · US
Process for producing a catalyst and catalyst as such
US-2017144143-A1 · May 25, 2017 · US
System and process for producing gasoline from oxygenates
US-2017137720-A1 · May 18, 2017 · US
Honeycomb structure and catalyst for cleaning exhaust gas using same, and method for producing catalyst for cleaning exhaust gas
US-2017106356-A1 · Apr 20, 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
Process to make olefins and aromatics from organics
US-9573859-B2 · Feb 21, 2017 · US
Process to make olefins from oxygenates
US-9573860-B2 · Feb 21, 2017 · US
Process to make olefins from oxygenates
US-9561990-B2 · Feb 7, 2017 · US
Process to make olefins from organics
US-9556082-B2 · Jan 31, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J29/65?
- CPC B01J29/65 is the Cooperative Patent Classification code for “of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively.”
- How many patents are filed under CPC B01J29/65 (of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively)?
- Our database includes 198 publications tagged with this CPC code.
- Is patent activity under CPC B01J29/65 growing?
- Publication counts under this code: 10 in 2024 vs 11 in 2025 (latest complete years).