Patent · US Expired

Stable N-oxyl radial assisted mini emulsion polymerization

US6503983B1 · kind B1 · utility

13Cited by

4References

9Claims

0Family size

Assignee

BASF SE

Inventors

Bradley Ronald Morrison · Mannheim, DE
Klemens Mathauer · Ludwigshafen, DE
Michael Fischer · Ludwigshafen, DE
Yvon Durant · Lee, US

Key dates

Filing date	Dec 27, 1999
Grant date	Jan 7, 2003
Priority date	—
Expiry date	Dec 27, 2019

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F4/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A process of free-radically initiated aqueous emulsion polymerization, in which polymerization is conducted in the presence of a stable N-oxyl radical and the diameter of the monomer droplets in disperse distribution in the aqueous medium is &lE;500 nm.

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