Patent · US Active

Apparatus and methods for multi-step channel emulsification

US11098351B2 · kind B2 · utility

0Cited by
8References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 27, 2020
Grant dateAug 24, 2021
Priority date
Expiry dateApr 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.