Recombinant microorganism including genetic modification that increases activity of nitric oxide reductase and method of reducing concentration of nitric oxide in sample by using the same
US-12545932-B2 · Feb 10, 2026 · US
This page is not indexed by search engines while we improve data quality.
EDTA
EDTA · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D2251/902 |
| Official title | EDTA |
| Display label | EDTA |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Geocatalysts and their application to control co2 capture processes, economically and with environmental benefits
US-2025269324-A1 · Aug 28, 2025 · US
Surface carbon mineralization process using petroleum refinery solid waste material
US-2025262595-A1 · Aug 21, 2025 · US
Carbon dioxide fixation method
US-12319584-B2 · Jun 3, 2025 · US
Phototrophic purification of hydrogen sulfide containing streams
US-12115492-B2 · Oct 15, 2024 · US
Method of and device for removing nitrogen oxide in gas
US-11813567-B1 · Nov 14, 2023 · US
Method of and device for removing nitrogen oxide in gas
US-2023321599-A1 · Oct 12, 2023 · US
Carbon dioxide fixation method
US-2022396492-A1 · Dec 15, 2022 · US
Recombinant microorganism including genetic modification that increases activity of nitric oxide reductase and method of reducing concentration of nitric oxide in sample by using the same
US-2022162650-A1 · May 26, 2022 · US
Phototrophic purification of hydrogen sulfide containing streams
US-2021220770-A1 · Jul 22, 2021 · US
Fluid for carrying out pollution control in heat engines, and methods for preparing said fluids by producing a homogeneous solution
US-11014045-B2 · May 25, 2021 · US
Electrolysis apparatus for collecting nitrogen compound using ferric-ethylenediamine tetraacetic acid
US-10711354-B2 · Jul 14, 2020 · US
Process and apparatus for hydrogen sulfide removal
US-10472582-B2 · Nov 12, 2019 · US
Methods and systems for capturing and storing carbon dioxide
US-10456744-B2 · Oct 29, 2019 · US
Method for removing SOx from gas using polyol composite solution
US-10207218-B2 · Feb 19, 2019 · US
Fluid for carrying out pollution control in heat engines, and methods for preparing said fluids by producing a homogeneous solution
US-2018345216-A1 · Dec 6, 2018 · US
Nanotube solutions with high concentration and low contamination and methods for purifiying nanotube solutions
US-10069072-B2 · Sep 4, 2018 · US
Electrolysis apparatus for collecting nitrogen compound using ferric-ethylenediamine tetraacetic acid
US-2018230606-A1 · Aug 16, 2018 · US
Methods and systems for capturing and storing carbon dioxide
US-2017333840-A1 · Nov 23, 2017 · US
Method for Removing SOx from Gas Using Polyol Composite Solution
US-2016310888-A1 · Oct 27, 2016 · US