Patent · US Active

Method and device for making polymer microparticles

US10576452B2 · kind B2 · utility

1Cited by

10References

30Claims

0Family size

Assignee

General Electric Company · US

Inventors

Lianghua Lu · Shanghai, CN
Lin Chen · Westmont, US
Jie Gao · Beijing, CN
Zhida Pan · Shanghai, CN
Wenqing Peng · Shanghai, CN
Tobias Soderman · Uppsala, SE

Key dates

Filing date	Mar 1, 2016
Grant date	Mar 3, 2020
Priority date	—
Expiry date	Oct 22, 2036

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2220/52
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method includes spraying a liquid including polymer and a gas substantially inert to the liquid respectively from a first and second orifice of a nozzle into air to form mist of beads. The beads then are collected with a collecting medium at a temperature in a range from about −10° C. to about 80° C. The collecting medium includes at least one of water and alcohols.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.