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Inventor

Otto Leman

Inventor
Weisenheim, DE

Overview

2→
Patents
1977–1986
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds100%
PatentTitleYear
4,586,987'Obtaining C.sub.1 -C.sub.4 -alkyl pentenoates by distillation'19864,008,255'Recovery of phthalic anhydride'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1986Patents assigned to BASF AG (2)· patent assignee history
1977Based in Ludwigshafen, DE· patent location history
1986Based in Weisenheim, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BASF AG21977–1986
Locations
LocationPatentsSpan
Weisenheim, DE11986
Ludwigshafen, DE11977