Patent · US Active

Method for the agglomeration of superabsorber particles

US10835634B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

BASF SE

Inventors

Tina Mark · Haßloch, DE
Thomas Daniel · Waldsee, DE
Erich Lutz · Altrip, DE
Stefan Molter · Frankenthal (Pfalz), DE

Key dates

Filing date	Mar 24, 2016
Grant date	Nov 17, 2020
Priority date	—
Expiry date	Jun 13, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2300/14
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A process for agglomerating superabsorbent particles, wherein polymer particles having a particle size of 250 μm or less are dispersed in a hydrophobic organic solvent, the dispersed polymer particles are mixed with an aqueous monomer solution, the total amount of water applied to the dispersed polymer particles being at least 100% by weight, based on the dispersed polymer particles, and the monomer solution is polymerized.

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