Process for dehumidifying moist gas mixtures
US-10493400-B2 · Dec 3, 2019 · US
Alcohols or their derivatives
Alcohols or their derivatives · 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 | B01D2252/202 |
| Official title | Alcohols or their derivatives |
| Display label | Alcohols or their derivatives |
| Total patents | 110 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 10 |
| 2017 | 14 |
| 2018 | 14 |
| 2019 | 21 |
| 2020 | 8 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 10 |
| 2024 | 2 |
| 2025 | 10 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas treatment system and gas treatment method
US-10449495-B2 · Oct 22, 2019 · US
In-line pipe contactor
US-2019308133-A1 · Oct 10, 2019 · US
In-line pipe contactor
US-2019308136-A1 · Oct 10, 2019 · US
Configurations and methods of high pressure acid gas removal in the production of ultra-low sulfur gas
US-10384160-B2 · Aug 20, 2019 · US
Methods and systems for improving the energy efficiency of carbon dioxide capture
US-10376829-B2 · Aug 13, 2019 · US
Development of a novel high temperature stable scavenger for removal of hydrogen sulfide
US-2019211278-A1 · Jul 11, 2019 · US
Synergized hemiacetals composition and method for scavenging sulfides and mercaptans
US-2019194523-A1 · Jun 27, 2019 · US
Reducing acid gases from streams
US-2019193020-A1 · Jun 27, 2019 · US
Development of a novel high temperature stable scavenger for removal of hydrogen sulfide
US-10308886-B2 · Jun 4, 2019 · US
Composite 3D-printed reactors for gas absorption, purification, and reaction
US-10300430-B2 · May 28, 2019 · US
Hybrid solvent formulations for total organic sulfur removal and total acidic gas removal
US-10293299-B2 · May 21, 2019 · US
Process for selective removal of acid gases from fluid streams using a hybrid solvent mixture
US-2019111380-A1 · Apr 18, 2019 · US
Carbon dioxide absorbent and apparatus of separating and recovering carbon dioxide
US-2019083921-A1 · Mar 21, 2019 · US
Method for removing SOx from gas using polyol composite solution
US-10207218-B2 · Feb 19, 2019 · US
Water control in non-aqueous acid gas recovery systems
US-10166503-B2 · Jan 1, 2019 · US
Method of reducing hydrogen sulfide levels in gaseous mixtures using triazines
US-10155911-B2 · Dec 18, 2018 · US
Methods and systems for improving the energy efficiency of carbon dioxide capture
US-2018353896-A1 · Dec 13, 2018 · US
Methods and apparatuses for gas separation by solvent or absorbent
US-2018326348-A1 · Nov 15, 2018 · US
Method for Separating Gases and Vapors in a Cascading Coolant Horizontal Spray Tower
US-2018320964-A1 · Nov 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2252/202?
- CPC B01D2252/202 is the Cooperative Patent Classification code for “Alcohols or their derivatives.”
- How many patents are filed under CPC B01D2252/202 (Alcohols or their derivatives)?
- Our database includes 110 publications tagged with this CPC code.
- Is patent activity under CPC B01D2252/202 growing?
- Publication counts under this code: 2 in 2024 vs 10 in 2025 (latest complete years).