Patent · US Active

Device and method for producing powdered polymers

US11332550B2 · kind B2 · utility

0Cited by

6References

17Claims

0Family size

Assignee

BASF SE

Inventors

Stephan Bauer · Ostercappeln, DE
Markus Toennessen · Ludwigshafen, DE
Christophe Bauduin · Ludwigshafen, DE
Katrin Baumann · Mannheim, DE
Marco Krüger · Mannheim, DE
Andreas Daiss · Deidesheim, DE
Markus Muehl · Mommenheim, DE

Key dates

Filing date	Feb 26, 2018
Grant date	May 17, 2022
Priority date	—
Expiry date	Jan 3, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2219/1943
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An apparatus for production of pulverulent polymers having a reactor for droplet polymerization with an apparatus for dropletization of a monomer solution for the preparation of the polymer. The apparatus for dropletization has holes through which the monomer solution is introduced, an addition point for a gas above the apparatus for dropletization, at least one gas withdrawal point at the periphery of the reactor and a fluidized bed, wherein at least one of the following is fulfilled:

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