Patent · US Expired

Fine aqueous dispersion of an organophilic sheet silicate

US5464472A · kind A · utility

47Cited by

2References

17Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Ute Horn · Westerburg, DE
Guido Dessauer · Tutzing, DE

Key dates

Filing date	Jun 24, 1994
Grant date	Nov 7, 1995
Priority date	—
Expiry date	Jun 24, 2014

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01P2004/61
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a fine aqueous dispersion of an organophilic sheet silicate, consisting essentially of a sheet silicate capable of cation exchange and a quaternary organic onium salt reacted therewith, which dispersion comprises from 3 to 30% by weight, based on the organophilic sheet silicate, of a water-soluble, natural polymer and/or a derivative thereof.

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