Patent · US Active

Process for purifying raw-material gases by fractionation

US10011484B1 · kind B1 · utility

0Cited by

2References

8Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

Alfred Soppe · Issum, DE
Juergen Bittner · Leverkusen, DE
Thorsten Leidig · Duisburg, DE
Friedhelm Steffens · Leverkusen, DE
Knud Werner · Krefeld, DE
Thomas Runowski · Hilden, DE

Key dates

Filing date	Feb 22, 2018
Grant date	Jul 3, 2018
Priority date	—
Expiry date	Feb 22, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01B7/075
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The present invention relates to a process for purifying raw-material gases by fractionation. In particular, the present invention relates to a process for cleansing chlorine gas of bromine.

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