Dsm IP Assets B.v.

Sandro Schmid

René Tobias Stemmler

Nadine Greiner

The invention relates to an improved process for the manufacture of bis-resorcinyl triazines of formula (I) wherein Ris a CCalkyl group or C-Calkenyl group as well as the respective alkyl substituted bis-resorcinyl derivatives of formula (II) wherein Ris a C-Calkyl group or C-Calkenyl group and Rand Rare independently of each other a C-Calkyl group or a C-Calkenyl group. 

Process for the preparation of triazines

The invention relates to an improved process for the manufacture of bis-resorcinyl triazines of formula (I), wherein Ris hydrogen, a C-Calkyl group or a C-Calkenyl group and Ris a C-Calkyl group or a C-Calkenyl group. (I) 

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Kaiseraugst, Switzerland

Sandro Schmid