Patent · US Expired

Method for agglomerating finely divided polybutadiene latices

US6939915B2 · kind B2 · utility

1Cited by

20References

8Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Pierre Vanhoorne · Monheim, DE
Bernhard Jansen · Cologne, DE
Herbert Eichenauer · Dormagen, DE
Rolf-Volker Meyer · Krefeld, DE

Key dates

Filing date	Feb 27, 2001
Grant date	Sep 6, 2005
Priority date	—
Expiry date	Jan 20, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08C1/07
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a method for agglomerating finely divided rubber latices by adding an aqueous solution of a water-soluble amphiphilic copolymer that contains at least one hydrophilic portion and at least one hydrophobic portion.

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