FR321521A -
Process for the preparation of new coloring matters and of intermediate products for the preparation of these coloring agents
- Google Patents
Process for the preparation of new coloring matters and of intermediate products for the preparation of these coloring agents
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.)
Societe Anonyme des Produits Fred Bayer et Co
Original Assignee
Societe Anonyme des Produits Fred Bayer et Co
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Application filed by Societe Anonyme des Produits Fred Bayer et CofiledCriticalSociete Anonyme des Produits Fred Bayer et Co
Application grantedgrantedCritical
Publication of FR321521ApublicationCriticalpatent/FR321521A/en
FR321521D1902-05-291902-05-29
Process for the preparation of new coloring matters and of intermediate products for the preparation of these coloring agents
ExpiredFR321521A
(en)