Patent · US Expired

Aqueous polymer dispersion having a wide particle size distribution

US5442006A · kind A · utility

12Cited by

3References

14Claims

0Family size

Assignee

BASF SE

Inventors

Oral Aydin · Mannheim, DE
Michael Portugall · Monsheim, DE
Josef Neutzner · Neustadt, DE
Walter Maechtle · Ludwigshafen, DE

Key dates

Filing date	Apr 19, 1994
Grant date	Aug 15, 1995
Priority date	—
Expiry date	Apr 19, 2014

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F291/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

An aqueous polymer dispersion with a solids volume concentration of at least 50% by volume is obtainable by polymerizing monomers by the method of free radical aqueous emulsion polymerization with the addition of at least one fine and at least one coarse aqueous starting polymer dispersion.

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