Regenerable solvent mixtures for acid-gas separation
US-2026007998-A1 · Jan 8, 2026 · US
containing only one sulfur compound other than sulfur oxides or hydrogen sulfide
containing only one sulfur compound other than sulfur oxides or hydrogen sulfide · 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 | B01D53/485 |
| Official title | {containing only one sulfur compound other than sulfur oxides or hydrogen sulfide} |
| Display label | containing only one sulfur compound other than sulfur oxides or hydrogen sulfide |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 9 |
| 2017 | 3 |
| 2018 | 7 |
| 2020 | 1 |
| 2021 | 3 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Regenerable solvent mixtures for acid-gas separation
US-12427471-B2 · Sep 30, 2025 · US
Process for simultaneous removal of hydrogen sulfide and heavy metals
US-12415726-B2 · Sep 16, 2025 · US
Process for simultaneous removal of hydrogen sulfide and heavy metals
US-2024124305-A1 · Apr 18, 2024 · US
Nitrogen-free hydrogen sulphide and mercaptans scavengers
US-2023365873-A1 · Nov 16, 2023 · US
Regenerable solvent mixtures for acid-gas separation
US-2023241547-A1 · Aug 3, 2023 · US
Gas treatment method and gas treatment device
US-2023158452-A1 · May 25, 2023 · US
Iron sulphide scale removal from oil and gas wells using green formulation
US-11591509-B2 · Feb 28, 2023 · US
Regenerable solvent mixtures for acid-gas separation
US-11559763-B2 · Jan 24, 2023 · US
Regenerable solvent mixtures for acid-gas separation
US-2021178316-A1 · Jun 17, 2021 · US
Iron sulphide scale removal from oil and gas wells using green formulation
US-2021108124-A1 · Apr 15, 2021 · US
Regenerable solvent mixtures for acid-gas separation
US-10960345-B2 · Mar 30, 2021 · US
Processes for removing polysulfanes and elemental sulfur from hydrogen sulfide
US-10773958-B2 · Sep 15, 2020 · US
Regenerable solvent mixtures for acid-gas separation
US-2018345206-A1 · Dec 6, 2018 · US
Microparticles for capturing mercaptans
US-2018291284-A1 · Oct 11, 2018 · US
Regenerable solvent mixtures for acid-gas separation
US-10065148-B2 · Sep 4, 2018 · US
Desulfurization agent
US-9987625-B2 · Jun 5, 2018 · US
Use of diethylenetriamine as a CS2 scavenger in isoprene production
US-9981889-B2 · May 29, 2018 · US
Systems and methods for improved sulfur recovery from claus process tail gas
US-9884291-B2 · Feb 6, 2018 · US
Apparatus and method for evaporating waste water and reducing acid gas emissions
US-9861930-B2 · Jan 9, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D53/485?
- CPC B01D53/485 is the Cooperative Patent Classification code for “containing only one sulfur compound other than sulfur oxides or hydrogen sulfide.”
- How many patents are filed under CPC B01D53/485 (containing only one sulfur compound other than sulfur oxides or hydrogen sulfide)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC B01D53/485 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).