Organic compound, perovskite precursor solution, perovskite film, perovskite cell, and electric apparatus
US-2025386725-A1 · Dec 18, 2025 · 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 | C01B25/165 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 16 |
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 | 4 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wet-chemically prepared polymeric lithium phosphorus oxyni-tride (lipon), method for the preparation thereof, uses thereof, and battery
US-2022216506-A1 · Jul 7, 2022 · US
Abrasive particles having a unique morphology
US-9982176-B2 · May 29, 2018 · US
Process for the production of hypophosphite salts
US-9976010-B2 · May 22, 2018 · US
Polyolefin-based flame retardant resin composition and molded product
US-9856420-B2 · Jan 2, 2018 · US
Abrasive particles having a unique morphology
US-2017362481-A9 · Dec 21, 2017 · US
Abrasive particles having a unique morphology
US-9845417-B2 · Dec 19, 2017 · US
Abrasive particles having a unique morphology
US-9758708-B2 · Sep 12, 2017 · US
Mixtures of aluminum hydrogenphosphites with aluminum salts, process for the production thereof and the use thereof
US-9505904-B2 · Nov 29, 2016 · US
Polyolefin-based flame retardant resin composition and molded product
US-2016304785-A1 · Oct 20, 2016 · US
Abrasive particles having a unique morphology
US-2016272859-A1 · Sep 22, 2016 · US
Abrasive particles having a unique morphology
US-9382463-B2 · Jul 5, 2016 · US
Mixtures of aluminium hydrogenphosphites with aluminium salts, process for the production thereof and the use thereof
US-2015299419-A1 · Oct 22, 2015 · US
Process for the production of hypophosphite salts
US-2015065626-A1 · Mar 5, 2015 · US
Abrasive particles having a unique morphology
US-2015040486-A1 · Feb 12, 2015 · US
Abrasive particles having a unique morphology
US-8927101-B2 · Jan 6, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B25/165?
- CPC C01B25/165 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B25/165 (Chemistry & Metallurgy)?
- Our database includes 16 publications tagged with this CPC code.
- Is patent activity under CPC C01B25/165 growing?
- Publication counts under this code: 1 in 2022 vs 1 in 2025 (latest complete years).