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Inventor

Eva M. Kohn

Inventor
Bad Soden, DE

Overview

1→
Patents
1989
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds50%
C09KMaterials for miscellaneous applications, not provided for elsewhere50%
PatentTitleYear
4,842,776'Styrylaryloxy ether sulfonates, a process for their preparation and their use in the recovery of crude oil'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to HOECHST AG (1)· patent assignee history
1989Based in Bad Soden, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOECHST AG11989
Locations
LocationPatentsSpan
Bad Soden, DE11989