Solvent-activated color forming compositions

Color-forming compositions comprising (i) a solvent absorbing material such as a polymer; (ii) a color-former or chelating agent compounded with the solvent absorbing material; and (iii) a source of metal ions, whereby the metal ions complex with the color former as the solvent absorbing material ab...

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Bibliographische Detailangaben
Hauptverfasser:	HEGGS RICHARD P, ELHARD JOEL D
Format:	Patent
Sprache:	eng
Schlagworte:	AMUSEMENTS APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING BALL GAMES CHEMISTRY COMPOSITIONS BASED THEREON GAMES HUMAN NECESSITIES INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS SPORTS TESTING THEIR PREPARATION OR CHEMICAL WORKING-UP TRAINING EQUIPMENT USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	Color-forming compositions comprising (i) a solvent absorbing material such as a polymer; (ii) a color-former or chelating agent compounded with the solvent absorbing material; and (iii) a source of metal ions, whereby the metal ions complex with the color former as the solvent absorbing material absorbs the solvent, resulting in a detectable color change of the solvent absorbing material. Both reversible and irreversible versions of these color-forming compositions are provided.