New process for the coloration of synthetic materials and the industrial products resulting therefrom

Claim 1

A PROCESS FOR COLOURING A SYNTHETIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE POLYMERISATION PRODUCTS OF ACRYLONITRILE, THE COPOLYMERISATION PRODUCTS OF ACRYLONITRILE, THE POLYMERISATION PRODUCTS OF VINYLIDENE CYANIDE AND THE COPOLYMERISATION PRODUCTS OF VINYLIDENE CYANIDE, WHICH COMPRISES SIMULTANEOUSLY TREATING THE SYNTHETIC MATERIAL AT ABOVE 100*C. WITH (1) A DYE SELECTED FROM THE GROUP CONSISTING OF THE ACID NON-METALLISABLE DYES, THE DIRECT NON-METALLISABLE DYES, THE CHROMIFEROUS DYES AS 1:1 COMPLEXES, THE METALLIFEROUS DYES AS 2:1 COMPLEXES, THE COMPLEXES OF POLYSULPHONATED MONOAZO DYES AND COPPER FROM THE CLASS OF DIRECT DYES, THE COMPLEXES OF THE SULPHONATED POLYAZO DYES AND COPPER FROM THE CLASS OF DIRECT DYES, THE PHTHALOCYANINES, THE DERIVATIVES OF PHTALOCYANINES, THE CHROME DYES (MORDANT DYES), THE DIRECT METALLISABLE DYES AND THE LEUCO ESTERS OF VAT DYES, AND WITH (2) A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROXYLAMINE AND ITS SALTS.