Patent · US Expired

Method of producing .epsilon.-caprolactam

US6051706A · kind A · utility

2Cited by

2References

3Claims

0Family size

Assignee

Degussa-Huels AG · DE

Inventors

Wolfgang Holderich · Bischofswerda, DE
Georg Philip Heitmann · Heinsberg, DE
Dietrich Arntz · Oberursel, DE

Key dates

Filing date	May 11, 1999
Grant date	Apr 18, 2000
Priority date	—
Expiry date	May 11, 2019

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/52
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A method is disclosed of producing .epsilon.-caprolactam by the Beckmann rearrangement of cyclohexanone oxime using (B) .beta. zeolites as catalyst.

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