Absorption agent and a method for selectively removing hydrogen sulphide
US-2018257022-A1 · Sep 13, 2018 · US
of acid contaminants
of acid contaminants · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C10L3/102 |
| Official title | {of acid contaminants} |
| Display label | of acid contaminants |
| Total patents | 206 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 15 |
| 2017 | 20 |
| 2018 | 29 |
| 2019 | 27 |
| 2020 | 18 |
| 2021 | 21 |
| 2022 | 19 |
| 2023 | 10 |
| 2024 | 13 |
| 2025 | 9 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for capturing a heavy metal contained in a moist gas, integrating a heat pump to heat the gas introduced into a capture mass
US-9889404-B2 · Feb 13, 2018 · US
Cryogenic systems for removing acid gases from a hydrocarbon gas stream using co-current separation devices
US-9829246-B2 · Nov 28, 2017 · US
Degradant concentration measurement device and acidic gas removal device
US-9782720-B2 · Oct 10, 2017 · US
Gas purification method
US-9732297-B2 · Aug 15, 2017 · US
Process for the treatment of liquefied hydrocarbon gas using 3-(amino) propane-1,2-diol compounds
US-9732298-B2 · Aug 15, 2017 · US
Process for the removal of acid gases from gaseous mixtures using an aqueous solution of 2-dimethylamino-2-hydroxymethyl-1, 3-propanediol
US-2017225117-A1 · Aug 10, 2017 · US
Process for the treatment of liquefied hydrocarbon gas using 2-amino-2(hydroxymethyl) propane-1,3-diol compounds
US-9708557-B2 · Jul 18, 2017 · US
Process and apparatus for sweetening and liquefying a gas stream
US-2017122659-A1 · May 4, 2017 · US
Offshore processing method and system
US-9638019-B2 · May 2, 2017 · US
Configurations And Methods For Processing High Pressure Acid Gases With Zero Emissions
US-2017114295-A1 · Apr 27, 2017 · US
Process for gas separations using zeolite SSZ-13
US-9610534-B1 · Apr 4, 2017 · US
Nucleophilic porous carbon materials for CO2 and H2S capture
US-9604849-B2 · Mar 28, 2017 · US
Isobaric pressure exchanger in amine gas processing
US-9604889-B2 · Mar 28, 2017 · US
Novel beta-hydroxylated tertiary diamines, a process for their synthesis and their use for eliminating acid compounds a gaseous effluent
US-2017081275-A1 · Mar 23, 2017 · US
Thermally stable amines for co2 capture
US-2017080378-A1 · Mar 23, 2017 · US
Process for gas separations using zeolite ssz-13
US-2017072359-A1 · Mar 16, 2017 · US
Distributed hydrogen extraction system
US-2017069921-A1 · Mar 9, 2017 · US
Method of removing solids by modifying a liquid level in a distillation tower
US-9562719-B2 · Feb 7, 2017 · US
Aqueous absorbent composition for enhanced removal of hydrogen sulfide from gaseous mixtures and method for using the same
US-2017021305-A1 · Jan 26, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10L3/102?
- CPC C10L3/102 is the Cooperative Patent Classification code for “of acid contaminants.”
- How many patents are filed under CPC C10L3/102 (of acid contaminants)?
- Our database includes 206 publications tagged with this CPC code.
- Is patent activity under CPC C10L3/102 growing?
- Publication counts under this code: 13 in 2024 vs 9 in 2025 (latest complete years).