Patent · US Active

Combined apparatus for the synthesis of urea

US11186542B2 · kind B2 · utility

1Cited by

5References

9Claims

0Family size

Assignee

Casale SA · CH

Inventors

Andrea Scotto · Breganzona, CH
Enrico Rizzi · Como, IT

Key dates

Filing date	Jan 31, 2017
Grant date	Nov 30, 2021
Priority date	—
Expiry date	Jan 31, 2037

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/141
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Combined apparatus (1) for the synthesis of urea from ammonia and carbon dioxide, comprising an internal wall (3) which delimits two coaxial zones (4) inside the apparatus, operating respectively as reaction (4) and condensation (5) zones, and optionally also comprising a stripping zone and/or a scrubber integrated in the same apparatus.

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