Patent · US Expired

Process for the N-alkylation of ureas

US5169954A · kind A · utility

22Cited by

1References

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	Dec 16, 1991
Grant date	Dec 8, 1992
Priority date	—
Expiry date	Dec 16, 2011

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C273/1854
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.