Nanopore systems and methods for single-molecule polymer profiling
US-2026002925-A1 · Jan 1, 2026 · US
Separation by stereostructure, steric separation
Separation by stereostructure, steric separation · 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 | B01D61/007 |
| Official title | {Separation by stereostructure, steric separation} |
| Display label | Separation by stereostructure, steric separation |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Non-aromatic compound removal systems for para-xylene production
US-12269799-B2 · Apr 8, 2025 · US
Non-aromatic compound removal systems for para-xylene production
US-11999692-B2 · Jun 4, 2024 · US
Non-aromatic compound removal systems for para-xylene production
US-2023406789-A1 · Dec 21, 2023 · US
Non-aromatic compound removal systems for para-xylene production
US-2023373885-A1 · Nov 23, 2023 · US
Non-aromatic compound removal systems for para-xylene production
US-11760706-B2 · Sep 19, 2023 · US
Anti-fouling chiral surfaces for membrane filtration and methods therefor
US-11712665-B2 · Aug 1, 2023 · US
Non-aromatic compound removal systems for para-xylene production
US-2022281784-A1 · Sep 8, 2022 · US
Anti-fouling chiral surfaces for membrane filtration and methods therefor
US-2022241730-A1 · Aug 4, 2022 · US
Separation membrane, separation membrane element, water purifier, and method for producing separation membrane
US-11167249-B2 · Nov 9, 2021 · US
Anti-fouling chiral surfaces for membrane filtration and methods therefor
US-11154819-B2 · Oct 26, 2021 · US
Anti-fouling chiral surfaces for membrane filtration and methods therefor
US-2020197874-A1 · Jun 25, 2020 · US
Isotope separation methods and systems
US-10556206-B2 · Feb 11, 2020 · US
Anti-fouling chiral surfaces for membrane filtration and methods therefor
US-10532326-B2 · Jan 14, 2020 · US
Reverse osmosis membranes and separations
US-10486107-B2 · Nov 26, 2019 · US
Hydrocarbon reverse osmosis membranes and separations
US-10456747-B2 · Oct 29, 2019 · US
Bacteria microtraps
US-2019291052-A1 · Sep 26, 2019 · US
Substrate having at least one partially or entirely flat surface and use thereof
US-10384947-B2 · Aug 20, 2019 · US
Composite semipermeable membrane
US-2019247800-A1 · Aug 15, 2019 · US
Separation of mixed xylenes
US-10150083-B2 · Dec 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D61/007?
- CPC B01D61/007 is the Cooperative Patent Classification code for “Separation by stereostructure, steric separation.”
- How many patents are filed under CPC B01D61/007 (Separation by stereostructure, steric separation)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC B01D61/007 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).