Stannous pyrophosphate, and methods of producing the same
US-2024150175-A1 · May 9, 2024 · US
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Polyphosphates
Polyphosphates · 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 | C01B25/40 |
| Official title | Polyphosphates |
| Display label | Polyphosphates |
| Total patents | 14 |
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 | 1 |
| 2016 | 2 |
| 2017 | 4 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Assay for quantifying polyphosphates
US-11519917-B2 · Dec 6, 2022 · US
Anti-scaling composition for water systems
US-11130691-B2 · Sep 28, 2021 · US
Assay for quantifying polyphosphates
US-2020150126-A1 · May 14, 2020 · US
Positive electrode active material for nonaqueous electrolyte secondary battery, method for producing same, and nonaqueous electrolyte secondary battery
US-10388953-B2 · Aug 20, 2019 · US
Pyrophosphate type material, process for preparing such a material and use for bone repair
US-10376612-B2 · Aug 13, 2019 · US
Anti-scaling composition for water systems
US-2019194045-A1 · Jun 27, 2019 · US
Positive electrode active material for nonaqueous electrolyte secondary battery, method for producing same, and nonaqueous electrolyte secondary battery
US-2017331107-A1 · Nov 16, 2017 · US
Pyrophosphate type material, process for preparing such a material and use for bone repair
US-2017304493-A1 · Oct 26, 2017 · US
Cathode active material for sodium batteries, and sodium battery
US-9716274-B2 · Jul 25, 2017 · US
Active material and lithium ion battery
US-9634320-B2 · Apr 25, 2017 · US
Cathode active material for sodium batteries, and sodium battery
US-2016315321-A1 · Oct 27, 2016 · US
Nonaqueous electrolytic solution and battery including a heteropolyacid and/or a heteropolyacid compound
US-9401529-B2 · Jul 26, 2016 · US
Active material and lithium ion battery
US-2015357639-A1 · Dec 10, 2015 · US