EP patent 2237677, Dumarche Arnaud; Troplin Philippe & Bernaert Herwig et al., "Process for producing cocoa-derived material", issued 2012-06-13, assigned to Barry Callebaut AG
US patent 9107430B2, Dumarche, Arnaud; Troplin, Philippe & Bernaert, Herwig et al., "Process for producing red or purple cocoa-derived material", published 2015-08-18, issued 2015-08-18, assigned to Barry Callebaut AG