Organotemplate-free synthetic process for the production of a zeolitic material of the CHA-type structure
US-9527751-B2 · Dec 27, 2016 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C01B39/46 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 439 |
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 | 46 |
| 2016 | 38 |
| 2017 | 47 |
| 2018 | 38 |
| 2019 | 43 |
| 2020 | 63 |
| 2021 | 53 |
| 2022 | 41 |
| 2023 | 27 |
| 2024 | 23 |
| 2025 | 18 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Transition metal/zeolite scr catalysts
US-2016367939-A1 · Dec 22, 2016 · US
Oxide materials and synthesis by fluoride/chloride anion promoted exfoliation
US-9522390-B2 · Dec 20, 2016 · US
Strontium-exchanged clinoptilolite
US-9504996-B2 · Nov 29, 2016 · US
BIMETAL-EXCHANGED ZEOLITE BETA FROM ORGANOTEMPLATE-FREE SYNTHESIS AND USE THEREOF IN THE SELECTIVE CATALYTIC REDUCTION OF NOx
US-2016325228-A1 · Nov 10, 2016 · US
Carbon dioxide gas adsorbent including chabazite zeolite, methods for preparing the same, and methods of separating carbon dioxide using the same
US-9463446-B2 · Oct 11, 2016 · US
Chemical filter
US-2016279597-A1 · Sep 29, 2016 · US
Synthesis of aluminosilicate molecular sieves having the ifr structure type
US-2016185610-A1 · Jun 30, 2016 · US
Na-Y Molecular Sieve, H-Y Molecular Sieve, and Preparation Methods Thereof, Hydrocracking Catalyst, and Hydrocracking Method
US-2016151771-A1 · Jun 2, 2016 · US
Organotemplate-free synthetic process for the production of a zeolitic material
US-9346040-B2 · May 24, 2016 · US
Molecular sieve composition from pre-formed extrudates and process of use
US-9321043-B2 · Apr 26, 2016 · US
Copper cha zeolite catalysts
US-2016101412-A1 · Apr 14, 2016 · US
Modified alkali metal nanotitanates for hydrogen sulfide adsorption
US-2016059209-A1 · Mar 3, 2016 · US
Hydrocarbon reforming/trapping material and method for removing hydrocarbon
US-2016030933-A1 · Feb 4, 2016 · US
Post-treatment of deboronated zeolite beta
US-2015344317-A1 · Dec 3, 2015 · US
Novel oxidation catalyst, the process for the preparation thereof and green process for selective aerobic oxidation
US-2015336090-A1 · Nov 26, 2015 · US
Post-treatment of deboronated mww zeolite
US-2015329368-A1 · Nov 19, 2015 · US
Controlled growth of MTT zeolite by microwave-assisted hydrothermal synthesis
US-9186659-B2 · Nov 17, 2015 · US
Molecular sieve SSZ-96
US-9187334-B2 · Nov 17, 2015 · US
Organotemplate-Free Solid-State Synthetic Method For Zeolite Molecular Sieves
US-2015298983-A1 · Oct 22, 2015 · US
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B39/46?
- CPC C01B39/46 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B39/46 (Chemistry & Metallurgy)?
- Our database includes 439 publications tagged with this CPC code.
- Is patent activity under CPC C01B39/46 growing?
- Publication counts under this code: 23 in 2024 vs 18 in 2025 (latest complete years).