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.)
Toppan Inc
Original Assignee
Toppan Printing Co Ltd
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 Toppan Printing Co LtdfiledCriticalToppan Printing Co Ltd
Priority to JP12636381ApriorityCriticalpatent/JPS5831169A/ja
Publication of JPS5831169ApublicationCriticalpatent/JPS5831169A/ja
Publication of JPS6253631B2publicationCriticalpatent/JPS6253631B2/ja
Process for the preparation of an aquous polymaleic acid composition including surface active agents and complex-forming agents and the use thereof as and aid for the pre-treatment of cellulose containing fibrous materials