INK FORMULATION AND MANUFACTURE THEREOF

An ink formulation for marking living tissue comprises a dispersion of carbon black pigment particles encapsulated in water soluble shells, mixed with a pharmaceutically accepted carrier, such as water, and a preservative. A dispersion formulation is preferential to a suspension formulation for mark...

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Bibliographische Detailangaben
Hauptverfasser:	STORY, MYTIA, V, STORY, DARLENE, P
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES HUMAN NECESSITIES HYGIENE INKS MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	An ink formulation for marking living tissue comprises a dispersion of carbon black pigment particles encapsulated in water soluble shells, mixed with a pharmaceutically accepted carrier, such as water, and a preservative. A dispersion formulation is preferential to a suspension formulation for marking living tissue because the carbon particles of the dispersion formulation are less likely to aggregate and sediment over time. In addition, the absence of large quantities of additives makes a dispersion formulation less reactive to living tissue, further enhancing its appeal as a biological marker.