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Inventor

Helmut Pfitzner

Inventor
Neckargemuend, DE

Overview

1→
Patents
1976
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry50%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium50%
PatentTitleYear
3,936,445'Process for the production of iron complexes of tetraazaannulenes'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to BASF AG (1)· patent assignee history
1976Based in Neckargemuend, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BASF AG11976
Locations
LocationPatentsSpan
Neckargemuend, DE11976