Patent · US Expired

Device and method for removing volatile components from polymer solutions

US6627040B1 · kind B1 · utility

8Cited by

3References

25Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Thomas Elsner · Düsseldorf, DE
Jürgen Heuser · Krefeld, DE
Christian Kords · Krefeld, DE

Key dates

Filing date	Oct 13, 2000
Grant date	Sep 30, 2003
Priority date	—
Expiry date	Oct 13, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S159/15
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A device and process for the removal of volatile constituents from polymers is disclosed. The device entails a container having an inlet for a polymer solution, an outlet for the volatile components, an outflow for the polymer from which the volatile components have been removed and a heat exchanger. The heat exchanger is characterized in that it contains a plurality of specially structured channels.

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