Regeneration loop clean-up
US-9517983-B2 · Dec 13, 2016 · US
Organic sulfur compounds, e.g. mercaptans
Organic sulfur compounds, e.g. mercaptans · 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 | B01D2257/306 |
| Official title | Organic sulfur compounds, e.g. mercaptans |
| Display label | Organic sulfur compounds, e.g. mercaptans |
| Total patents | 416 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 33 |
| 2016 | 47 |
| 2017 | 57 |
| 2018 | 54 |
| 2019 | 66 |
| 2020 | 38 |
| 2021 | 33 |
| 2022 | 24 |
| 2023 | 26 |
| 2024 | 18 |
| 2025 | 17 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for smoothing time-varying concentration of a fluid stream
US-9517431-B2 · Dec 13, 2016 · US
Removal of sulfur compounds from natural gas streams
US-9505683-B2 · Nov 29, 2016 · US
Sequential removal of ngls from a natural gas stream
US-2016340596-A1 · Nov 24, 2016 · US
Method for removing sulfur compounds from hydrocarbon streams
US-2016333277-A1 · Nov 17, 2016 · US
Metal carboxylate salts as H2S scavengers in mixed production or dry gas or wet gas systems
US-9480946-B2 · Nov 1, 2016 · US
Systems and methods for water gas shift with reduced steam consumption
US-2016311682-A1 · Oct 27, 2016 · US
Development of a novel high temperature stable scavenger for removal of hydrogen sulfide
US-2016312141-A1 · Oct 27, 2016 · US
Energy-saving acid gas capture system and method
US-2016303505-A1 · Oct 20, 2016 · US
Sulfur scavenging materials comprising hexahydrotriazine-modified particle
US-9469660-B2 · Oct 18, 2016 · US
Catalyst for the oxidation of sulfur compounds
US-2016296889-A1 · Oct 13, 2016 · US
Synergistic method for enhanced H2S/mercaptan scavenging
US-9463989-B2 · Oct 11, 2016 · US
Hybrid solvent formulations for total organic sulfur removal and total acidic gas removal
US-2016288046-A1 · Oct 6, 2016 · US
Process for removing mercaptans from a gas stream
US-2016279566-A1 · Sep 29, 2016 · US
Hybrid solvent formulations for selective h2s removal
US-2016271558-A1 · Sep 22, 2016 · US
Sulfur scavenging materials
US-2016263551-A1 · Sep 15, 2016 · US
Energy-saving acidic gas capture system and method using condensed water
US-2016263517-A1 · Sep 15, 2016 · US
Deodorizer
US-2016250370-A1 · Sep 1, 2016 · US
Process for removing one or more sulfur compounds and an apparatus relating thereto
US-9393526-B2 · Jul 19, 2016 · US
Adsorptive desulfurization
US-2016175806-A1 · Jun 23, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2257/306?
- CPC B01D2257/306 is the Cooperative Patent Classification code for “Organic sulfur compounds, e.g. mercaptans.”
- How many patents are filed under CPC B01D2257/306 (Organic sulfur compounds, e.g. mercaptans)?
- Our database includes 416 publications tagged with this CPC code.
- Is patent activity under CPC B01D2257/306 growing?
- Publication counts under this code: 18 in 2024 vs 17 in 2025 (latest complete years).