Patent · US Expired

Aqueous polymer dispersion containing a polydisperse particle size distribution

US5352720A · kind A · utility

24Cited by

4References

10Claims

0Family size

Assignee

BASF SE

Inventors

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

Key dates

Filing date	Mar 29, 1993
Grant date	Oct 4, 1994
Priority date	—
Expiry date	Mar 29, 2013

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.