FLUORESCENT SKIN-MARKING COMPOSITION

• US 3,640,889 A
• Filed: 04/28/1969
• Issued: 02/08/1972
• Est. Priority Date: 04/28/1969
• Status: Expired due to Term

• Current Assignee: Dair J. Stewart
• Original Assignee: Dair J. Stewart
• Inventors: Stewart, Dair J.
• Application Number:
  US04/819,989
• Time in Patent Office: 1,016 Days
• US Class Current: 252/301.35
• CPC Class Codes: C08K 5/18 with aromatically bound amino groups
• CPC Class Codes: C08L 31/04 Homopolymers or copolymers of vinyl acetate
• CPC Class Codes: C09K 11/06 containing organic luminescent materials

Abstract

A NORMALLY LIQUID, ULTRAVIOLET LIGHT-SENSITIVE SKIN MARKING COMPOSITION IS DISCLOSED AS BEING USEFUL FOR MARKING THE SKIN OF ANIMALS OR HUMANS, FOR INSTANCE TO INDICATE AREAS ON A PATIENT'"'"''"'"'S SKIN WHICH ARE TO BE SUBJECTED TO RADIATION THERAPY, FOR EXAMPLE FOR THE TREATMENT OF CANCER. THE MARK LEFT BY THE COMPOSITION IS INVISIBLE IN VISIBLE LIGHT BUT FLUORESCES UNDER ULTRAVIOLET LIGHT. THE COMPOSITION CONSISTS ESSENTIALLY OF POLYVINYL ACETATE, A WATER-IMMISCIBLE FLUORESCENT BRIGHTENING AGENT OF THE AMINOCOUMARIN TYPE, ORGANIC SOLVENT, AND, OPTIONALLY, WATER.

Claims