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Inventor

Ferdinand Hummes

Inventor
Bergisch Gladbach, DE

Overview

2→
Patents
1980–1981
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B01Dprimary
B01DSeparation33%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments33%
F26BDrying solid materials or objects by removing liquid therefrom33%
PatentTitleYear
4,285,692'Granular preparation of vat dyestuffs and/or disperse dyestuffs'19814,198,264'Process and apparatus for spray drying or spray cooling'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1981Patents assigned to BAYER AG (2)· patent assignee history
1980–1981Based in Bergisch Gladbach, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG21980–1981
Locations
LocationPatentsSpan
Bergisch Gladbach, DE21980–1981