Method of Preparing Polyamide Membrane with Multi-Level Pore Structure Mediated by Protein Fiber Network
US-2026048364-A1 · Feb 19, 2026 · US
Storing or preservation
Storing or preservation · 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 | B01D67/0097 |
| Official title | {Storing or preservation} |
| Display label | Storing or preservation |
| Total patents | 46 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 9 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
ORGANIC SOLVENT ULTRAFILTRATION MEMBRANE OF POLYIMIDE/POLYETHYLENEIMINE@TiO2 WITH HIGH SOLVENT PERMEABILITY AND METHOD OF PRODUCING THE SAME
US-2025249409-A1 · Aug 7, 2025 · US
Process for preparing a polybenzoxazine-derived carbon membrane, carbon membrane, use of said membrane for separating industrial gases and permeation module
US-2025041793-A1 · Feb 6, 2025 · US
Membranes for contaminant removal from natural gas and methods for use thereof
US-12215288-B2 · Feb 4, 2025 · US
Filter for mammalian cell culture perfusion and clarification with hydrophobic hollow fiber
US-11680239-B2 · Jun 20, 2023 · US
Photocurable color changing compositions and method of forming features on a membrane surface using the same
US-2023081461-A1 · Mar 16, 2023 · US
Membranes for contaminant removal from natural gas and methods for use thereof
US-2022306955-A1 · Sep 29, 2022 · US
Method for packaging facilitated transport membrane
US-11247797-B2 · Feb 15, 2022 · US
Composition comprising aromatic and fluorinated polymers and use thereof
US-11155710-B2 · Oct 26, 2021 · US
Methods of fluorinating filters used in the manufacture of a semiconductor device
US-10786787-B2 · Sep 29, 2020 · US
Filter for mammalian cell culture perfusion and clarification with hydrophobic hollow fiber
US-2020208092-A1 · Jul 2, 2020 · US
Package, method for storing or transporting sub-nano membrane structure, and sub-nano membrane structure
US-10618011-B2 · Apr 14, 2020 · US
Method for packaging facilitated transport membrane
US-2020055622-A1 · Feb 20, 2020 · US
Asymmetric membranes for use in nanofiltration
US-10328396-B2 · Jun 25, 2019 · US
Composition comprising aromatic and fluorinated polymers and use thereof
US-2019177539-A1 · Jun 13, 2019 · US
Methods of fluorinating filters used in the manufacture of a semiconductor device
US-2019105613-A1 · Apr 11, 2019 · US
High-functional polyamide-based dry water treatment separator and method for manufacturing same
US-10155204-B2 · Dec 18, 2018 · US
Method for sterilizing blood purifier and blood purifier package
US-10137234-B2 · Nov 27, 2018 · US
Method of producing composite for acid gas separation and apparatus for producing same
US-10022675-B2 · Jul 17, 2018 · US
Blood purifier and blood purifier package
US-9987409-B2 · Jun 5, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D67/0097?
- CPC B01D67/0097 is the Cooperative Patent Classification code for “Storing or preservation.”
- How many patents are filed under CPC B01D67/0097 (Storing or preservation)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC B01D67/0097 growing?
- Publication counts under this code: 2 in 2023 vs 3 in 2025 (latest complete years).