Inventor

Johannes O. Sajben

Inventor
Krefeld, DE

Overview

5→
Patents
1977–1987
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B01Dprimary
B01DSeparation17%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
B01FMixing, e.g. dissolving, emulsifying or dispersing8%
B29CShaping or joining of plastics8%
C07CAcyclic or carbocyclic compounds8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
F16LPipes8%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1987Patents assigned to BAYER AG (5)· patent assignee history
1977–1987Based in Krefeld, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG51977–1987
Locations
LocationPatentsSpan
Krefeld, DE51977–1987