Patent · US Expired

Process for drying copper containing catalyst waste

US4168283A · kind A · utility

1Cited by

1References

3Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Gunter Beilstein · Dormagen, DE
Clemens Casper · Krefeld, DE
Dieter Grenner
Johannes O. Sajben · Krefeld, DE

Key dates

Filing date	Sep 29, 1978
Grant date	Sep 18, 1979
Priority date	—
Expiry date	Sep 29, 1998

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C17/358
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Viscous copper-containing catalyst waste is split up into solid particles and gaseous dichlorobutene along a steadily curved flow path, the liquid film flowing along an inner tube wall being driven along by the gas flowing at a higher rate in the core.

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