Patent · US Active

Method for the production of superabsorbers

US10875972B2 · kind B2 · utility

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0References

16Claims

0Family size

Assignee

BASF SE

Inventors

Gerald Grünewald · Bridge City, US
Ruediger Funk · Ludwigshafen, DE
Matthias Weismantel · Bad Orb, DE

Key dates

Filing date	May 23, 2017
Grant date	Dec 29, 2020
Priority date	—
Expiry date	May 23, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2333/02
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process for producing superabsorbents, comprising polymerization, drying, crushing, pneumatic conveying, comminuting and classifying, wherein the gas temperature at the end of the pneumatic conveying is from 50 to 95° C.

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