Process for the optical brightening of fibres containing...

Process for the optical brightening of fibres made of...

Process for the optical brightening of fibrous materials of...

Process for the optical brightening of high molecular...

Process for the optical brightening of materials of polyesters

Process for the optical brightening of organic fibre substrates

Process for the optical brightening of polyacrylonitrile fibers

Process for the optical brightening of polyester fibers

Process for the optical brightening of polymeric or...

Process for the optical brightening of synthetic fibers

Process for the preparation of pigment dyestuffs

Process for the production of concentrated solutions

Process for the production of fluorescent cationic dyestuffs

Process for the production of optical brighteners of the...

Process for the production of optical brighteners of the...

Process for the production of polymeric or copolymeric...

Process for the simultaneous desizing and bleaching of...

Process for the simultaneous dyeing and finishing of textiles

Process for the simultaneous dyeing and/or optical bleaching...

Process for the treatment of cellulose textile materials...