Regeneration and multiple use of depth filters
US-2023391823-A1 · Dec 7, 2023 · US
involving specific interaction not covered by one or more of groups {B01D15/265 and} B01D15/30 - B01D15/36, e.g. affinity, ligand exchange or chiral chromatography
involving specific interaction not covered by one or more of groups {B01D15/265 and} B01D15/30 - B01D15/36, e.g. affinity, ligand exchange or chiral chromatography · 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 | B01D15/38 |
| Official title | involving specific interaction not covered by one or more of groups {B01D15/265 and} B01D15/30 - B01D15/36, e.g. affinity, ligand exchange or chiral chromatography |
| Display label | involving specific interaction not covered by one or more of groups {B01D15/265 and} B01D15/30 - B01D15/36, e.g. affinity, ligand exchange or chiral chromatography |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 10 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 10 |
| 2022 | 8 |
| 2023 | 10 |
| 2024 | 5 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and apparatuses for purification of gel droplets supporting biological tissue
US-2023364528-A1 · Nov 16, 2023 · US
Method for Accurately Separating and Identifying Oxidized Triglyceride in Frying Oil
US-2023271109-A1 · Aug 31, 2023 · US
Photo-Cleavable Surfactants
US-2023139837-A1 · May 4, 2023 · US
Methods and apparatuses for purification of gel droplets supporting biological tissue
US-11628382-B2 · Apr 18, 2023 · US
Photo-cleavable surfactants
US-11567085-B2 · Jan 31, 2023 · US
Mixed mode affinity chromatography carrier
US-11565240-B2 · Jan 31, 2023 · US
Separation media and purification methods for nucleotides and nucleotide components using the same
US-2023028254-A1 · Jan 26, 2023 · US
Methods for evaluating suitability of a biochemical filter
US-2022404335-A1 · Dec 22, 2022 · US
Sea-island composite fiber, carrier for adsorption, and medical column provided with carrier for adsorption
US-11491462-B2 · Nov 8, 2022 · US
Amine separation method using liquid chromatography
US-2022339555-A1 · Oct 27, 2022 · US
Methods for evaluating suitability of a biochemical filter
US-11378571-B2 · Jul 5, 2022 · US
Method for analyzing enantiomer
US-11327060-B2 · May 10, 2022 · US
Methods and apparatuses for purification of gel droplets supporting biological tissue
US-2022062791-A1 · Mar 3, 2022 · US
Packing material for HILIC columns, HILIC column filled with same, and method for analyzing oligosaccharide with use of same
US-11247192-B2 · Feb 15, 2022 · US
Polymer, separating agent, production method of polymer, separation method of compound, and production method of compound
US-2022017672-A1 · Jan 20, 2022 · US
RNA purification methods
US-11155572-B2 · Oct 26, 2021 · US
Liquid chromatography packing material, liquid chromatography column and method for analyzing amine compound
US-2021299635-A1 · Sep 30, 2021 · US
Photo-Cleavable Surfactants
US-2021253519-A1 · Aug 19, 2021 · US
Rna purification methods
US-2021214388-A1 · Jul 15, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D15/38?
- CPC B01D15/38 is the Cooperative Patent Classification code for “involving specific interaction not covered by one or more of groups {B01D15/265 and} B01D15/30 - B01D15/36, e.g. affinity, ligand exchange or chiral chromatography.”
- How many patents are filed under CPC B01D15/38 (involving specific interaction not covered by one or more of groups {B01D15/265 and} B01D15/30 - B01D15/36, e.g. affinity, ligand exchange or chiral chromatography)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC B01D15/38 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).