Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dusburger Kupferhutte
IG Farbenindustrie AG
Original Assignee
Dusburger Kupferhutte
IG Farbenindustrie AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dusburger Kupferhutte, IG Farbenindustrie AGfiledCriticalDusburger Kupferhutte
Priority to ES153548ApriorityCriticalpatent/ES153548A1/es
Publication of ES153548A1publicationCriticalpatent/ES153548A1/es