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Inventor

Peter Kroetzsch

Inventor
Ketsch, DE

Overview

3→
Patents
1981–1989
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
B01DSeparation20%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry20%
C02FTreatment of water, waste water, sewage, or sludge20%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
4,859,642'Fixed-bed catalyst structure obtained using honeycomb elements'19894,374,730'Process and apparatus for the biological purification of sewage'19834,269,609'Isolating fluorine compounds from the vapors obtained when evaporatively concentrating phosphoric acid'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1989Patents assigned to BASF AG (3)· patent assignee history
1981–1989Based in Ketsch, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BASF AG31981–1989
Locations
LocationPatentsSpan
Ketsch, DE31981–1989