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.)
Duisburger Kupferhuette
IG Farbenindustrie AG
Original Assignee
Duisburger Kupferhuette
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 Duisburger Kupferhuette, IG Farbenindustrie AGfiledCriticalDuisburger Kupferhuette
Priority to ES163750ApriorityCriticalpatent/ES163750A1/es
Publication of ES163750A1publicationCriticalpatent/ES163750A1/es