Bases and anhydrous salts of dyes of the series auramines

Details Bases and anhydrous salts of dyes of the series auramines Bases and anhydrous salts of dyes of the series auramines

Category

C - Chemistry, Metallurgy

Subcategory

09

Subsubcategory

B

CPC

8/45, 260/592.6

IPC codes

C09B 57/00 (2006.01) C09B 67/54 (2006.01) C09B 69/06 (2006.01)

Type

Patent

Patent number

CA 1042920

Description

PRECIS Procédé de préparation des bases et des sels anhydres des colorants de la série des Auramines, caractérisé en ce que l'on isole ces produits au sein d'acétone, méthyléthylcétone ou diéthylcétone et leur application à la coloration du papier, des encres et autres supports.

Application Number

205561

Affiliated with

Also associated with

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