Patent · US Active

Process for producing cation exchangers

US8362182B2 · kind B2 · utility

0Cited by

0References

10Claims

0Family size

Assignee

LANXESS Deutschland GmbH · DE

Inventors

Pierre Vanhoorne · Monheim, DE
Hans-Jurgen Wedemeyer · Leverkusen, DE

Key dates

Filing date	May 29, 2012
Grant date	Jan 29, 2013
Priority date	—
Expiry date	May 29, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2001/425
WIPO fieldFood chemistry
WIPO sectorChemistry

Abstract

Strongly acidic cation exchangers with high mechanical, osmotic and oxidation stability can be prepared by sulfonating bead polymers formed from one or more vinylaromatic monomer(s), one or more crosslinker(s) and from 0.2 to 20% by weight of one or more vinyl ethers and/or vinyl esters.

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