Patent ID: 9156234
Filing Date: 2015-10-13
Classification: B25G,B26B,B32B,C08J

Abstract:
1. A vanishing compact comprising: a hollow shell of polymeric material; a partition partitioning the hollow shell into a first interior compartment sealed apart from a second interior compartment; a charge of a first solvent sealed inside the first compartment; a charge of a second solvent sealed inside the second compartment; wherein the first solvent is chosen for solubility properties such that the first solvent neither attacks nor dissolves the partition or shell material, and the second solvent is chosen for solubility properties such that the second solvent neither attacks nor dissolves the partition or shell material whereby, so long as the partition is not breached, the compact can carry the two solvents isolated and apart from each other such that the compact persists for an extended period of time; wherein the first and second solvents are further chosen for solubility properties such that a mixture between the charge of the first solvent and the charge of the second solvent has an independent set of solubility properties that determine that the mixture is capable of attacking and dissolving the polymeric material of the shell; a breaching operator to breach the partition and allow the charges of the first and second solvents to mix and thereby form the mixture therebetween, whereby the shell is dissolved by the solvent mixture; wherein the first and second solvents consist of tetrahydronaphthalene and Dimethyl Sulfoxide (DMSO) respectively; and wherein the polymeric material of the shell consists essentially of polyvinyl chloride (PVC), and the mixture solution comprises a 50:50 mixture by volume of tetrahydronaphthalene and Dimethyl Sulfoxide (DMSO).