Improved mercury emission control from a wet flue gas scrubber
US-2019388833-A1 · Dec 26, 2019 · US
characterised by a specific solution or suspension
characterised by a specific solution or suspension · 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 | B01D53/502 |
| Official title | {characterised by a specific solution or suspension} |
| Display label | characterised by a specific solution or suspension |
| Total patents | 130 |
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 | 8 |
| 2016 | 18 |
| 2017 | 15 |
| 2018 | 13 |
| 2019 | 7 |
| 2020 | 22 |
| 2021 | 12 |
| 2022 | 20 |
| 2023 | 8 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and device for producing sulfuric acid
US-10435299-B2 · Oct 8, 2019 · US
Process for treating a sulfurous fluid to form gypsum and magnesium carbonate
US-10399862-B2 · Sep 3, 2019 · US
Exhaust gas purifying apparatus
US-10363523-B2 · Jul 30, 2019 · US
Method for removing SOx from gas using polyol composite solution
US-10207218-B2 · Feb 19, 2019 · US
Complexation and removal of mercury from flue gas desulfurization systems
US-2019039019-A1 · Feb 7, 2019 · US
Methods and systems for removing contaminants from flue gas on a ship or offshore floating vessel using a rotating packed bed device
US-2018361312-A1 · Dec 20, 2018 · US
Complexation and removal of mercury from flue gas desulfurization systems
US-10124290-B2 · Nov 13, 2018 · US
Method for decreasing an amount of a harmful substance of an off-gas stream formed or used in a thermal treatment of a material
US-10105648-B2 · Oct 23, 2018 · US
Amount-of-seawater control device for scrubber, amount-of-seawater control method for scrubber, and amount-of-alkali control device
US-10099175-B2 · Oct 16, 2018 · US
Desulfurization method for gas containing sulfur oxide and desulfurization apparatus
US-10099177-B2 · Oct 16, 2018 · US
Controlled process for precipitating calcium carbonate and vaterite precipitated calcium carbonate compositions formed by said process
US-2018265370-A1 · Sep 20, 2018 · US
A controlled process for precipitating polymorphs of calcium carbonate
US-2018265371-A1 · Sep 20, 2018 · US
Method and device for producing sulfuric acid
US-2018237299-A1 · Aug 23, 2018 · US
Flue gas treatment system and method
US-10005030-B2 · Jun 26, 2018 · US
High-efficiency method for removing sulfur and mercury of coal-fired flue gas, and apparatus thereof
US-9895657-B2 · Feb 20, 2018 · US
Method for removing dust and sulphur oxides from process gases
US-9884285-B2 · Feb 6, 2018 · US
A controlled process for precipitating calcium carbonate
US-2018022614-A1 · Jan 25, 2018 · US
A process for treating a sulfurous fluid to form gypsum and magnesium carbonate
US-2018002187-A1 · Jan 4, 2018 · US
A process for converting natural calcium carbonate into precipitated calcium carbonate
US-2017369329-A1 · Dec 28, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D53/502?
- CPC B01D53/502 is the Cooperative Patent Classification code for “characterised by a specific solution or suspension.”
- How many patents are filed under CPC B01D53/502 (characterised by a specific solution or suspension)?
- Our database includes 130 publications tagged with this CPC code.
- Is patent activity under CPC B01D53/502 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).