Apparatus and methods for multi-step channel emulsification
US11098351B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 27, 2020 |
| Grant date | Aug 24, 2021 |
| Priority date | — |
| Expiry date | Apr 27, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L7/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Methods and devices for forming droplets are provided. In certain embodiments, the methods and devices form droplets having different diameters. In particular embodiments, the device includes a fluid supply channel, a collection chamber, and one or more nozzles disposed between the fluid supply channel and the collection chamber. Each nozzle may include an inlet portion with a channel height, a first step with a first step height and a first tread length, and a second step with a second step height and a second tread length. In certain embodiments, the first step height is greater than the channel height, and the second step height is greater than the first step height.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.