Patent · US Expired

Process for the N-alkylation or ureas

US5124451A · kind A · utility

20Cited by

0References

10Claims

0Family size

Assignee

Chemie Linz Gesellschaft m.b.H. · AT

Inventors

Kurt A. Hackl · Linz, AT
Heinz Falk · Linz, AT

Key dates

Filing date	Jul 10, 1991
Grant date	Jun 23, 1992
Priority date	—
Expiry date	Jul 10, 2011

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D295/215
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Process for the N-alkylation of ureas by reacting a urea with an alkylating agent in the presence of a solid base and a phase transfer catalyst in a diluent.

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