Patent · US Expired

Method for producing a liquid system for lactam polymerization

US6013758A · kind A · utility

11Cited by

9References

36Claims

0Family size

Assignee

EMS-Inventa AG · CH

Inventors

Eduard Schmid · Bonaduz, CH
Roman Eder · Dingolfing, DE
Ivano Laudonia · Thusis, CH

Key dates

Filing date	Apr 2, 1998
Grant date	Jan 11, 2000
Priority date	—
Expiry date	Apr 2, 2018

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G69/18
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A method for the production and use of a catalytically-acting liquid system is offered, which has no or only a small proportion of free lactam, and which is of low viscosity and good storage stability and which directly initiates the anionic lactam polymerization.

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