Patent · US Expired

Filter for the removal of apolar organic substances from gases

US4316730A · kind A · utility

9Cited by

9References

20Claims

0Family size

Assignee

Max-Planck-Gesellschaft · DE

Inventor

Hansjorg Eibl · Bovenden, DE

Key dates

Filing date	Jul 31, 1980
Grant date	Feb 23, 1982
Priority date	—
Expiry date	Jul 31, 2000

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D53/72
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Filter for the removal of apolar organic substances from gases containing an absorbent comprising at least one compound of the following formula: ##STR1## wherein one of X1, X2, and X3 is a phosphoric acid, phosphoric acid ester, or phosphatidyl moiety and two of the groups X1, X2, and X3 are independently selected from saturated fatty acid ester moieties and saturated alcohol (8 to 20 carbon atoms) ether moieties.

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