|Patent number||EP 1965198 A1|
|Publication status||Published - 3 Sep 2008|
Klimant, I., Leiner, M., & Tusa, J. (2008). Optical sensor for determining carbon dioxide in gaseous or liquid sample, comprises matrix comprising hydrophobic polymer and cationic species which does not interfere with indicator comprising pH-sensitive dye forming anionic species. (Patent No. EP 1965198 A1).