Semiconductor manufacturing apparatus and method of manufacturing semiconductor device
US-12131910-B2 · Oct 29, 2024 · US
Heavy water; Preparation by chemical reaction of hydrogen isotopes or their compounds, e.g. 4ND3 + 7O2 ---> 4NO2 + 6D2O, 2D2 + O2 ---> 2D2O
Heavy water; Preparation by chemical reaction of hydrogen isotopes or their compounds, e.g. 4ND3 + 7O2 ---> 4NO2 + 6D2O, 2D2 + O2 ---> 2D2O · 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 | C01B5/02 |
| Official title | Heavy water; Preparation by chemical reaction of hydrogen isotopes or their compounds, e.g. 4ND3 + 7O2 ---> 4NO2 + 6D2O, 2D2 + O2 ---> 2D2O |
| Display label | Heavy water; Preparation by chemical reaction of hydrogen isotopes or their compounds, e.g. 4ND3 + 7O2 ---> 4NO2 + 6D2O, 2D2 + O2 ---> 2D2O |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 9 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 6 |
| 2024 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for activating and dewatering sludge using acoustic pressure shock waves
US-12110238-B2 · Oct 8, 2024 · US
Deuterium recovery method and deuterium recovery equipment
US-2024239655-A1 · Jul 18, 2024 · US
Systems and methods for activating and dewatering sludge using acoustic pressure shock waves
US-2022371922-A1 · Nov 24, 2022 · US
Semiconductor manufacturing apparatus and method of manufacturing semiconductor device
US-2022270885-A1 · Aug 25, 2022 · US
Process for isolating 170 isotope from water and process for concentrating 170 isotope using the same
US-11286161-B2 · Mar 29, 2022 · US
Systems and methods for separating surface materials from a fluid using acoustic pressure shock waves
US-11254589-B2 · Feb 22, 2022 · US
Graphene membrane
US-2022001339-A1 · Jan 6, 2022 · US
Method for producing deuterium-depleted water and method for producing deuterium-enriched water
US-11213790-B2 · Jan 4, 2022 · US
Graphene membrane
US-10926228-B2 · Feb 23, 2021 · US
Object, device, and processing method
US-2020206713-A1 · Jul 2, 2020 · US
Method for producing deuterium-depleted water and method for producing deuterium-concentrated water
US-2020206687-A1 · Jul 2, 2020 · US
Process for isolating 170 isotope from water and process for concentrating 170 isotope using the same
US-2020156938-A1 · May 21, 2020 · US
Systems and methods for separating heavy water from normal water using acoustic pressure shock waves
US-10562793-B2 · Feb 18, 2020 · US
Method for producing deuterium depleted water, method for separating heavy water and light water, and method for producing deuterium concentrated water
US-10471389-B2 · Nov 12, 2019 · US
Systems and methods for separating surface materials from a fluid using acoustic pressure shock waves
US-2019330082-A1 · Oct 31, 2019 · US
Systems and methods for activating and dewatering sludge using acoustic pressure shock waves
US-2019330083-A1 · Oct 31, 2019 · US
Membrane cleaning and desalination with a membrane using acoustic pressure shock waves
US-10457571-B2 · Oct 29, 2019 · US
Method for producing deuterium-depleted water, method for separating heavy water and light water, and method for producing deuterium-enriched water
US-10343906-B2 · Jul 9, 2019 · US
Method for producing deuterium-depleted water and method for producing deuterium-enriched water
US-2019193026-A1 · Jun 27, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B5/02?
- CPC C01B5/02 is the Cooperative Patent Classification code for “Heavy water; Preparation by chemical reaction of hydrogen isotopes or their compounds, e.g. 4ND3 + 7O2 ---> 4NO2 + 6D2O, 2D2 + O2 ---> 2D2O.”
- How many patents are filed under CPC C01B5/02 (Heavy water; Preparation by chemical reaction of hydrogen isotopes or their compounds, e.g. 4ND3 + 7O2 ---> 4NO2 + 6D2O, 2D2 + O2 ---> 2D2O)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC C01B5/02 growing?
- Publication counts under this code: 6 in 2022 vs 3 in 2024 (latest complete years).