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Inventor

Helmut aus der Funten

Inventor
Niederkassel, DE

Overview

5→
Patents
1978–1985
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C07Dprimary
C07DHeterocyclic compounds60%
C07CAcyclic or carbocyclic compounds20%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds20%
PatentTitleYear
4,528,385'Method of preparing phthalide'19854,400,533'Method of preparing d,l-phenylalanine'19834,211,711'Method of preparing phthalide'19804,113,741'Method of preparing phthalide'19784,111,921'Transparent polyamides'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1985Patents assigned to DYNAMIT NOBEL AG (5)· patent assignee history
1978–1985Based in Niederkassel, DE· patent location history
1983Based in Mondorf, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DYNAMIT NOBEL AG51978–1985
Locations
LocationPatentsSpan
Niederkassel, DE41978–1985
Mondorf, DE11983