Patent · US Active

Method for the hydrolysis of a polymer

US12018113B2 · kind B2 · utility

0Cited by

7References

19Claims

0Family size

Assignee

Solenis Technologies, L.P. · CH

Inventors

Hans-Joachim Haehnle · Neustadt, DE
Anton Esser · Mannheim, DE
Ralph Isermann · Ludwigshafen, DE

Key dates

Filing date	Sep 13, 2019
Grant date	Jun 25, 2024
Priority date	—
Expiry date	Mar 19, 2040

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21H17/45
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Methods for producing final polymer A are provided that comprise the following steps: Certain final polymers A obtained are useful for a method for producing paper or cardboard comprising adding certain final polymers A to a first aqueous pulp suspension, dewatering the obtained second aqueous pulp suspension containing certain final polymers A on a water-permeable substrate to a wet paper structure, and further dewatering of the wet paper structure into a paper or cardboard.

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