Patent · US Expired

Degassing of liquids

US4030897A · kind A · utility

36Cited by

3References

8Claims

0Family size

Assignee

Saint-Gobain Industries · FR

Inventors

Rudolf Pelzer · Herzogenrath, DE
Heinz Scholl · Eschweiler, DE

Key dates

Filing date	Nov 25, 1975
Grant date	Jun 21, 1977
Priority date	—
Expiry date	Nov 25, 1995

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S494/90
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Viscous liquids are degassed by a centrifuge in an enclosure at reduced pressure. The centrifuge has concentric annuli to provide a zig-zag path for the liquid. The enclosure may be heated.

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