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Inventor

Siegmar Maassen

Inventor
Ludwigshafen, DE

Overview

2→
Patents
2001–2011
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

B01Dprimary
B01DSeparation20%
C02FTreatment of water, waste water, sewage, or sludge20%
C07CAcyclic or carbocyclic compounds20%
C10GCracking hydrocarbon oils20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
7,943,047'Process for the treatment of wastewater from aldolization processes'20116,207,043'Method of preparing low-sulphur aliphatic compounds'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to BASF AG (1)· patent assignee history
2001–2011Based in Ludwigshafen, DE· patent location history
2011Patents assigned to BASF SE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BASF AG12001
BASF SE12011
Locations
LocationPatentsSpan
Ludwigshafen, DE22001–2011