Liquid adhesive compositions

Claim 1

A LIQUID ADHESIVE COMPOSITION FOR LIQUID APPLICATION TO SKIN AS AN ADHERENT FILM THEREOVER WITH LIMITED BUT PROLONGED PRESSURE-SENSITIVE TANKINESS FOR A SMOOTH VINYL PLASTIC SHEET BROUGHT INTO CONTACT THEREWITH, COMPRISING A FILM FORMING COMPONENT, AN ADHESION PRODUCING COMPONENT, A PLASTICIZING COMPONENT, AND A LIQUID VEHICLE FOR ADMIXTURE OF SAID COMPONENTS SELECTED FROM THE GROUP CONSISTING OF ORGANIC SOLVENTS AND WATER, SAID FILM FORMING COMPONENT BEING SELECTED FROM THE GROUP CONSISTING OF VINYL POLYMERS AND COPOLYMERS, POLYACRYLIC ESTERS AND POLYMERS, POLYMETHACRYLIC ESTERS AND POLYMERS, CELLULOSE ACETATE BUTYRATE, ETHYL CELLULOSE, AND COMPATIBLE COMBINATIONS THEREOF, SAID ADHESION PRODUCING COMPONENT BEING SELECTED FROM THE GROUP CONSISTING OF POLYACRYLIC ESTERS AND POLYMERS, POLYMETHACRYLIC ESTERS AND POLYMERS, GLYCEROL PHTHALATE RESINS, ABIETIC ACIDGLYCEROL RESINS AND ORGANIC ACID AND PHENOL MODIFICATIONS THEREOF, AMINE-ADEHYDE RESINS, MALEIC ANHYDRIDE RESINS, VINYL POLYMERS AND COPOLYMERS, POLYPHENYL ESTERS, PHENOL RESINS, ALKYD RESINS, AND COMPATIBLE COMBINATIONS THEREOF, SAID PLASTICIZING COMPONENT BEING SELECTED FROM THE GROUP CONSISTING OF POLYMERIC TYPE AND ESTER TYPE PLASTICIZERS AND BEING PRESENT IN AN AMOUNT UP TO 250% AND 200% BY WEIGHT, RESPECTIVLY, BASED ON THE WEIGHT OF SAID FILM FORMING AND ADHESION PRODUCING COMPONENTS TO PROVIDE AFTER EVAPORATION OF THE LIQUID VEHICLE AN ADHERENT FILM, THE EXPOSED SURFACE OF SAID FILM HAVING A PRESSURESENSITIVE TACKINESS SUFFICIENT TO ADHERE THERETO A SMOOTH SHEET, AND SAID TACKINESS OF SAID EXPOSED SURFACE OF SAID GRAMS MEASURED AS PEEL STRENGTH BY THE ASTM TESTING METHOD D903-49 HEREIN DISCLOSED, IN WHICH ONE TEST SURFACE IS SUITABLE MATERIAL TO WHICH SAID ADHESIVE COMPOSITION WILL ADHERE MORE STRONGLY THAN IT DOES TO SAID PLASTIC SHEET, AND SAID TACKINESS OF SAID EXPOSED SURFACE OFF SAID FILM FOR SAID PLASTIC SHEET BEING LESS THAN EACH OF THE COHESIVE STRENGTH OF SAID FILM AND THE ADHESIVENESS THEREOF TO SKIN.