Patent ID: 8529684
Filing Date: 2013-09-10
Classification: A61B

Abstract:
1. A method for transforming a latent physiological biometric into a visible physiological biometric comprising: providing a latent biometric disposed on a surface of an article, wherein said biometric comprises at least one eccrine-derived compound arranged in a pattern corresponding to at least a portion of a pattern of dermal ridges; contacting said latent biometric with a developing solution, wherein said developing solution comprises at least one imaging reagent selected from the group consisting of ninhydrin, hydrindantin, 1,8-diazafluoren-9-one, 1,2-indanedione, and derivatives thereof, and a carrier solvent comprising at least one pentafluoropropane; and reacting said imaging reagent with said eccrine-derived compound to produce a visible physiological biometric.