High charge density metallophosphate molecular sieves
US-2017341066-A1 · Nov 30, 2017 · US
Phosphates, e.g. APO or SAPO compounds
Phosphates, e.g. APO or SAPO compounds · 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 | C01B39/54 |
| Official title | Phosphates, e.g. APO or SAPO compounds |
| Display label | Phosphates, e.g. APO or SAPO compounds |
| Total patents | 258 |
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 | 22 |
| 2016 | 24 |
| 2017 | 29 |
| 2018 | 32 |
| 2019 | 54 |
| 2020 | 40 |
| 2021 | 15 |
| 2022 | 16 |
| 2023 | 12 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for producing phosphorus modified zeolite catalysts
US-9821299-B2 · Nov 21, 2017 · US
Sta-19, a new member of the gme family of molecular sieve zeotypes, methods of preparation and use
US-2017304812-A1 · Oct 26, 2017 · US
Sta-18, a new member of the sfw family of molecular sieve zeotypes, methods of preparation and use
US-2017305751-A1 · Oct 26, 2017 · US
Aei type zeolite, method for producing same, and uses thereof
US-2017259250-A1 · Sep 14, 2017 · US
Method For Synthesizing Silicoaluminophosphate-34 Molecular Sieves Using Monoisopropanolamine
US-2017239649-A1 · Aug 24, 2017 · US
Molecular sieves with a Linde Type A topology and related methods and systems
US-9700879-B2 · Jul 11, 2017 · US
Method for manufacturing of multi-level pore zeolite and utilization as catalyst for hydroisomerization of normal paraffins of multi-level pore zeolite prepared thereby
US-2017158970-A1 · Jun 8, 2017 · US
Gas and liquid phase catalytic Beckmann rearrangement of oximes to produce lactams
US-9662643-B2 · May 30, 2017 · US
Silicoaluminophosphate, method for producing the same, and solid acid catalyst comprising the same
US-9637392-B2 · May 2, 2017 · US
Method for producing metal exchanged metallo-aluminophosphates by solid-state ion exchange at low temperatures
US-2017113212-A1 · Apr 27, 2017 · US
Molecular sieve ssz-90, its synthesis and use
US-2017100711-A1 · Apr 13, 2017 · US
Coated molecular sieve
US-2017065927-A1 · Mar 9, 2017 · US
Process for the direct synthesis of Cu-SAPO-34
US-9561498-B2 · Feb 7, 2017 · US
Transition metal/zeolite scr catalysts
US-2016367939-A1 · Dec 22, 2016 · US
Synthesis of Cu/SAPO-34 with variable copper loadings
US-9475040-B2 · Oct 25, 2016 · US
Gas and liquid phase catalytic beckmann rearrangement of oximes to produce lactams
US-2016279622-A9 · Sep 29, 2016 · US
Stable silicoaluminophosphate catalysts for conversion of alkyl halides to olefins
US-2016271597-A1 · Sep 22, 2016 · US
Method for synthesizing silicoaluminophosphate-34 molecular sieves
US-2016256860-A1 · Sep 8, 2016 · US
Chiral Siliceous Composition Useful as Chiral Heterogeneous Catalyst and a Process for the Preparation Thereof
US-2016251287-A1 · Sep 1, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B39/54?
- CPC C01B39/54 is the Cooperative Patent Classification code for “Phosphates, e.g. APO or SAPO compounds.”
- How many patents are filed under CPC C01B39/54 (Phosphates, e.g. APO or SAPO compounds)?
- Our database includes 258 publications tagged with this CPC code.
- Is patent activity under CPC C01B39/54 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).