Patent ID: 6544540
Filing Date: 2003-04-08
Classification: A01N,Y10S,Y10T

Abstract:
A microcapsule formed of an aminoplast shell wall and an encapsulated ingredient or ingredients enclosed within the wall, the wall having been produced by a microencapsulation process comprising reacting an etherified amino resin prepolymer with a cross-linking agent wherein said cross-linking agent is the ester or thioester reaction product of (a) a multifunctional alcohol selected from the group consisting of pentaerythritol, dipentaerythritol, tripentaerythritol, trimethylolpropane, glycerol, 3-mercaptopropane-diol, 1,2,4-butanetriol, 1,3,5-cyclohexanetriol, 1,2,3-heptanetriol and sorbitol, and (b) one or more 2-(hydroxy) and/or 2-(thiol) C2-C6 alkanoic acids, wherein the resulting ester and/or thioester groups are capable of being cleaved under basic conditions.