Desalting system for chromatography
US-12540929-B2 · Feb 3, 2026 · US
Ion-suppression
Ion-suppression · 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 | B01D15/367 |
| Official title | {Ion-suppression} |
| Display label | Ion-suppression |
| Total patents | 29 |
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 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Suppressor diagnostic tool
US-12474310-B2 · Nov 18, 2025 · US
Fast startup ion chromatography system and methods
US-12130269-B2 · Oct 29, 2024 · US
Ion suppressor
US-12031957-B2 · Jul 9, 2024 · US
Suppressor diagnostic tool
US-2024175851-A1 · May 30, 2024 · US
Ion chromatography analysis system
US-2024077461-A1 · Mar 7, 2024 · US
Permeative amine or acid introduction for very weak acid detection in ion chromatography
US-11714070-B2 · Aug 1, 2023 · US
Desalting system for chromatography
US-2023194485-A1 · Jun 22, 2023 · US
Suppressor
US-2023184728-A1 · Jun 15, 2023 · US
Ion suppressor and ion chromatograph
US-11534700-B2 · Dec 27, 2022 · US
Functionalized polyolefin capillaries for open tubular ion chromatography
US-11400444-B2 · Aug 2, 2022 · US
Ion suppressor
US-2022187254-A1 · Jun 16, 2022 · US
Ion chromatography system and methods utilizing a weak acid or weak base extraction device
US-11287403-B2 · Mar 29, 2022 · US
Fast startup ion chromatography system and methods
US-2021389289-A1 · Dec 16, 2021 · US
Fast startup ion chromatography system and methods
US-11105782-B2 · Aug 31, 2021 · US
Functionalized polyolefin capillaries for open tubular ion chromatography
US-2021016266-A1 · Jan 21, 2021 · US
Permeative amine or acid introduction for very weak acid detection in ion chromatography
US-2020292511-A1 · Sep 17, 2020 · US
Ion suppressor and ion chromatograph
US-2020147518-A1 · May 14, 2020 · US
Suppressor device
US-10571439-B2 · Feb 25, 2020 · US
Fast startup ion chromatography system and methods
US-2019107518-A1 · Apr 11, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D15/367?
- CPC B01D15/367 is the Cooperative Patent Classification code for “Ion-suppression.”
- How many patents are filed under CPC B01D15/367 (Ion-suppression)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC B01D15/367 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).