Patent · US Active

Process for producing superabsorbents

US12161994B2 · kind B2 · utility

0Cited by

0References

14Claims

0Family size

Assignee

BASF SE

Inventors

Monte Peterson · Pearland, US
John Perry Guentzel · Beach City, US
Juergen Schroeder · Ludwigshafen, DE
Ruediger Funk · Ludwigshafen, DE
Matthias Weismantel · Bad Orb, DE

Key dates

Filing date	Nov 4, 2019
Grant date	Dec 10, 2024
Priority date	—
Expiry date	Feb 25, 2042

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2220/68
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to a process for producing superabsorbent polymer particles, comprising storing acrylic acid in at least one tank (B1) at a production site for acrylic acid and in at least one tank (B2) at a production site for superabsorbent polymer particles, wherein the at least one tank (B1) at the production site for acrylic acid and the at least one tank (B2) at the production site for superabsorbent polymer particles are interconnected by one single pipe line (3) and the flow inside the pipe line (3) is temporary reversed during interruptions of the production superabsorbent polymer particles.

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