Synthesis of aluminum-containing molecular sieves of SEW framework type
US-10737946-B1 · Aug 11, 2020 · US
Preparation of physical mixtures or intergrowth products of zeolites chosen from group C01B39/04 or two or more of groups C01B39/14 - C01B39/48
Preparation of physical mixtures or intergrowth products of zeolites chosen from group C01B39/04 or two or more of groups C01B39/14 - C01B39/48 · 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 | C01B39/023 |
| Official title | {Preparation of physical mixtures or intergrowth products of zeolites chosen from group C01B39/04 or two or more of groups C01B39/14 - C01B39/48} |
| Display label | Preparation of physical mixtures or intergrowth products of zeolites chosen from group C01B39/04 or two or more of groups C01B39/14 - C01B39/48 |
| Total patents | 117 |
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 | 7 |
| 2016 | 3 |
| 2017 | 17 |
| 2018 | 8 |
| 2019 | 19 |
| 2020 | 13 |
| 2021 | 17 |
| 2022 | 9 |
| 2023 | 12 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods of producing composite zeolite catalysts for heavy reformate conversion into xylenes
US-10723630-B2 · Jul 28, 2020 · US
Method for manufacturing zeolite membrane structure
US-10625215-B2 · Apr 21, 2020 · US
Molecular sieve SSZ-91, methods for preparing SSZ-91, and uses for SSZ-91
US-10618816-B2 · Apr 14, 2020 · US
Low-frequency improvement material and speaker system using same
US-2020031678-A1 · Jan 30, 2020 · US
Process for continuously synthesizing zeolite crystals
US-2020010330-A1 · Jan 9, 2020 · US
Magnesium Modified Y-Type Molecular Sieve, Preparation Thereof and Catalyst Comprising the Same
US-2019375646-A1 · Dec 12, 2019 · US
Zeolite-based compound having high crystallinity, method for producing the same, and method for producing methyl acetate using the same
US-10486146-B2 · Nov 26, 2019 · US
Crystalline Zeolites with ERI/CHA Intergrowth Framework Type
US-2019351399-A1 · Nov 21, 2019 · US
Zeolite SSZ-52x
US-10472247-B2 · Nov 12, 2019 · US
Methods of producing composite zeolite catalysts for heavy reformate conversion into xylenes
US-2019284057-A1 · Sep 19, 2019 · US
Methods of producing composite zeolite catalysts for heavy reformate conversion into xylenes
US-2019284056-A1 · Sep 19, 2019 · US
Novel disordered abc-6 molecular sieve
US-2019276324-A1 · Sep 12, 2019 · US
Method for synthesizing a fer/mor composite molecular sieve
US-2019262814-A1 · Aug 29, 2019 · US
Modified composite molecular sieve and preparation method thereof, and paraffin isomerization catalyst
US-10392318-B2 · Aug 27, 2019 · US
Substrate having at least one partially or entirely flat surface and use thereof
US-10384947-B2 · Aug 20, 2019 · US
Method for the preparation of a molecular sieve belonging to the abc-6 framework family with disorder in the abc stacking sequence
US-2019248662-A1 · Aug 15, 2019 · US
Catalyst comprising a molecular sieve belonging to the abc-6 framework family with disorder in the abc stacking sequence and use of the catalyst
US-2019217280-A1 · Jul 18, 2019 · US
Molecular sieve, sound absorbing material using the same, and speaker
US-2019202703-A1 · Jul 4, 2019 · US
ZEOLITE SSZ-52x
US-2019185331-A1 · Jun 20, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B39/023?
- CPC C01B39/023 is the Cooperative Patent Classification code for “Preparation of physical mixtures or intergrowth products of zeolites chosen from group C01B39/04 or two or more of groups C01B39/14 - C01B39/48.”
- How many patents are filed under CPC C01B39/023 (Preparation of physical mixtures or intergrowth products of zeolites chosen from group C01B39/04 or two or more of groups C01B39/14 - C01B39/48)?
- Our database includes 117 publications tagged with this CPC code.
- Is patent activity under CPC C01B39/023 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).