27-03-2014 дата публикации
Номер: US20140088534A1
Liquid activated ink formulations comprising a liquid activated dye, a hydrochromic ionic compound, an opacifier, and a solvent. 1. A liquid activated ink formulation comprising: (A) a liquid activated dye , wherein the liquid activated dye is water soluble; (B) a hydrochromic ionic compound;(C) an opacifier; and (D) a solvent.2. The liquid activated ink formulation as specified in wherein the opacifier is a porosigen.3. The liquid activated ink formulation as specified in wherein the opacifier is an antiporosigen.4. The liquid activated ink formulation as specified in wherein the hydrochromic ionic compound is an ionizing salt which changes color on exposure to water.5. The liquid activated ink formulation as specified in wherein the liquid activated dye is selected from the group consisting of Malachite green claim 1 , brilliant green claim 1 , crystal violet claim 1 , erythrosine B claim 1 , methyl green claim 1 , methyl violet 2D claim 1 , picric acid claim 1 , naphthol yellow S claim 1 , quinaldine red claim 1 , eosine Y claim 1 , metanil yellow claim 1 , m-cresol purple claim 1 , thymol blue claim 1 , xylenol blue claim 1 , basis fuchsin claim 1 , eosin B claim 1 , 4-p-aminophenol(azo)benzenesulphonic acid-sodium salt claim 1 , cresol red claim 1 , martius yellow claim 1 , phloxine B claim 1 , methyl yellow claim 1 , bromophenol blue claim 1 , congo red claim 1 , methyl orange claim 1 , bromochlorophenol blue WS claim 1 , ethyl orange claim 1 , flourocene WS claim 1 , bromocresol green claim 1 , chrysoidine claim 1 , methyl red sodium salt claim 1 , alizarine red S-H2O claim 1 , cochineal claim 1 , chlorophenol red claim 1 , bromocresol purple claim 1 , 4-naphtha claim 1 , alizarin claim 1 , nitrazine yellow claim 1 , bromothymol blue claim 1 , brilliant yellow claim 1 , neutral red claim 1 , rosalic acid claim 1 , phenol red claim 1 , 3-nitro phenol claim 1 , orange II claim 1 , phenolphthalein claim 1 , o-cresolphthalein claim 1 , nile blue A claim 1 , ...
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