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.)
Novartis AG
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba 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
Priority claimed from CH1066269Aexternal-prioritypatent/CH554402A/xx
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES381666A1publicationCriticalpatent/ES381666A1/es
Investigating Or Analysing Biological Materials
(AREA)
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Paper
(AREA)
ES381666A1969-07-111970-07-10Procedimiento para la preparacion de colorantes desprovis- tos de grupos acidos hidrosolubilizantes.
ExpiredES381666A1
(es)