Patent · US Expired

Aqueous polymer dispersion

US5624992A · kind A · utility

8Cited by

4References

11Claims

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	Mar 29, 1995
Grant date	Apr 29, 1997
Priority date	—
Expiry date	Mar 29, 2015

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.