Inventor

Helmut Schonenberger

Inventor
Pentling, DE

Overview

9→
Patents
1978–1992
Patent span
Chemistry
Primary field (CPC C)

Patents· 9 as inventor

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

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations38%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium29%
C07CAcyclic or carbocyclic compounds24%
C07DHeterocyclic compounds10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to KLINGE CO CHEM PHARM FAB (1)· patent assignee history
1978Based in Unterhaching, DE· patent location history
1985–1987Patents assigned to DEGUSSA (3)· patent assignee history
1985–1991Based in Pentling, DE· patent location history
1987–1988Patents assigned to ASTA WERKE AG CHEM FAB (3)· patent assignee history
1991Patents assigned to ASTA PHARMA AG (1)· patent assignee history
1992Patents assigned to ASTA PHARMA (1)· patent assignee history
1992Based in Pantling, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASTA WERKE AG CHEM FAB31987–1988
DEGUSSA31985–1987
ASTA PHARMA11992
ASTA PHARMA AG11991
KLINGE CO CHEM PHARM FAB11978
Locations
LocationPatentsSpan
Pentling, DE71985–1991
Pantling, DE11992
Unterhaching, DE11978