Robuta

https://www.epo.org/fr/boards-of-appeal/decisions/t970994eu1 T 0994/97 (Merocyanine dyes/AGFA-GEVAERT) du 24.08.2001 agfa gevaert 24 08 0994 97 merocyanine https://www.semanticscholar.org/topic/merocyanine-rhodanine/5394981 merocyanine-rhodanine | Semantic Scholar merocyanine rhodanine semantic scholar https://www.semanticscholar.org/topic/stilbazolium-merocyanine/1470442 stilbazolium merocyanine | Semantic Scholar merocyanine semantic scholar