Patent · US Expired

Process for the production of secondary amine terminated polyethers

US5693864A · kind A · utility

1Cited by

7References

4Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

William E. Slack · Moundsville, US
Rick L. Adkins · Schoutenkamp, US
Hans G. Schmelzer · Stommeln, DE

Key dates

Filing date	Oct 7, 1992
Grant date	Dec 2, 1997
Priority date	—
Expiry date	Oct 7, 2012

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G65/33306
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Disclosed herein is a process for preparing an amine terminated polyether comprising reacting a polyether containing a leaving group with a primary amine or ammonia at a temperature of about 70 to 250 degrees Centigrade.

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