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Inventor

Jurgen Schroter

Inventor
Leverkusen, DE

Overview

4→
Patents
1978–1989
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B01Dprimary
B01DSeparation33%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
C07CAcyclic or carbocyclic compounds17%
C07DHeterocyclic compounds17%
H04MTelephonic communication17%
PatentTitleYear
4,809,262'Method of making conference call connections in computer-controlled digital telephone exchanges'19894,732,685'Method of liquid-liquid extraction using material exchange columns'19884,170,592'Purification of .epsilon.-caprolactam'19794,090,922'Carrier-vapor distillation'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1988Patents assigned to BAYER AG (3)· patent assignee history
1978–1988Based in Leverkusen, DE· patent location history
1979Based in Krefeld, DE· patent location history
1989Patents assigned to DEUTSCHE TELEPHONWERK KABEL (1)· patent assignee history
1989Based in Berlin, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG31978–1988
DEUTSCHE TELEPHONWERK KABEL11989
Locations
LocationPatentsSpan
Leverkusen, DE21978–1988
Berlin, DE11989
Krefeld, DE11979