Patent ID: 8820331

Claim:
A breakable seamless capsule suitable for being incorporated in the filter of a smoking device, comprising: a core; and a shell, wherein said shell comprises: (i) a combination of 4 to 75% w/w of the total dry weight of the shell of gellan gum with 1.5 to 25% w/w of the total dry weight of the shell of gelatin, and (ii) 25 to 94.5% w/w of the total dry weight of the shell of at least one filler selected from the group consisting of starch derivatives, cellulose derivatives, polyvinyl alcohol, polyols, and mixture thereof, and wherein, said capsule has an initial crush strength Ci from 0.5 to 2.5 kp and keeps a crush strength Cf from 0.5 to 2.5 kp after having been submitted to the smoking test A, and presenting a deformation of less than two third of its diameter prior to rupture after having been submitted to the smoking test A, and said capsule makes an audible pop when ruptured.