Patterning wettability in complex microfluidic channels for very large-scale generation of double emulsions
US-2025375746-A1 · Dec 11, 2025 · US
Multiple emulsions, in particular double emulsions, e.g. water in oil in water; Three-phase emulsions
Multiple emulsions, in particular double emulsions, e.g. water in oil in water; Three-phase emulsions · 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 | B01F23/4144 |
| Official title | {Multiple emulsions, in particular double emulsions, e.g. water in oil in water; Three-phase emulsions} |
| Display label | Multiple emulsions, in particular double emulsions, e.g. water in oil in water; Three-phase emulsions |
| Total patents | 57 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Nanocarrier manufacturing
US-12491482-B2 · Dec 9, 2025 · US
Devices, systems, and methods for increasing droplet formation efficiency
US-2025262619-A1 · Aug 21, 2025 · US
Improved nanocarrier manufacturing
US-2025256248-A1 · Aug 14, 2025 · US
Manufacturing of bupivacaine multivesicular liposomes
US-12296047-B2 · May 13, 2025 · US
Manufacturing of bupivacaine multivesicular liposomes
US-2025134814-A1 · May 1, 2025 · US
Devices, systems, and methods for increasing droplet formation efficiency
US-12269036-B2 · Apr 8, 2025 · US
Manufacturing of bupivacaine multivesicular liposomes
US-2025064742-A1 · Feb 27, 2025 · US
Manufacturing of bupivacaine multivesicular liposomes
US-12178909-B1 · Dec 31, 2024 · US
Multiple emulsions created using jetting and other techniques
US-2024416296-A1 · Dec 19, 2024 · US
Manufacturing of bupivacaine multivesicular liposomes
US-2024408015-A1 · Dec 12, 2024 · US
Manufacturing of bupivacaine multivesicular liposomes
US-12151024-B2 · Nov 26, 2024 · US
Manufacturing of bupivacaine multivesicular liposomes
US-12144890-B2 · Nov 19, 2024 · US
Manufacturing of bupivacaine multivesicular liposomes
US-11925706-B2 · Mar 12, 2024 · US
Micro two-phase liquid droplet generation device
US-2024017224-A1 · Jan 18, 2024 · US
Device and method for generating droplets
US-11872533-B2 · Jan 16, 2024 · US
Manufacturing of bupivacaine multivesicular liposomes
US-11819574-B2 · Nov 21, 2023 · US
Manufacturing of bupivacaine multivesicular liposomes
US-11819575-B2 · Nov 21, 2023 · US
Flow focusing type one-step double emulsion droplet parallel generation device and method
US-2023311087-A1 · Oct 5, 2023 · US
Manufacturing of bupivacaine multivesicular liposomes
US-2023301916-A1 · Sep 28, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01F23/4144?
- CPC B01F23/4144 is the Cooperative Patent Classification code for “Multiple emulsions, in particular double emulsions, e.g. water in oil in water; Three-phase emulsions.”
- How many patents are filed under CPC B01F23/4144 (Multiple emulsions, in particular double emulsions, e.g. water in oil in water; Three-phase emulsions)?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC B01F23/4144 growing?
- Publication counts under this code: 8 in 2024 vs 8 in 2025 (latest complete years).