LexDanaLexDanabeta
Inventor

Andreas B. van Aken

Inventor
Amsterdam, NL

Overview

3→
Patents
1981–1984
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Dprimary
B01DSeparation33%
C02FTreatment of water, waste water, sewage, or sludge33%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
C07CAcyclic or carbocyclic compounds17%
PatentTitleYear
4,427,507'Process for the separation of glycol from an electrolyte-containing aqueous solution'19844,329,233'Process for the purification of water'19824,253,928'Process for sour water treatment'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1984Patents assigned to SHELL OIL CO (3)· patent assignee history
1981–1984Based in Amsterdam, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHELL OIL CO31981–1984
Locations
LocationPatentsSpan
Amsterdam, NL31981–1984