Surface covering sheet and method of making the same

Claim 1

THE PROCESS OF MAKING A BINDER FOR USE IN PRODUCING A COVERING SHEET FOR FLOORS, WALLS AND OTHER SURFACES, WHICH COMPRISES, REACTING A MIXTURE OF ROSIN ACIDS AND FATTY ACIDS IN WHICH THE RATIO OF FATTY ACIDS TO ROSIN ACIDS IS BETWEEN 1 TO 3 AND 3 TO 1 WITH A HEAT-REACTIVE, OIL-SOLUBLE PHENOL-FORMALDEHYDE CONDENSATION PRODUCT IN AN AMOUNT RANGING BETWEEN APPROXIMATELY 1 PART AND 6 PARTS BY WEIGHT TO 28 PARTS OF THE MIXTURE OF ROSIN AND FATTY ACIDS AT A TEMPERATURE OF FROM 300* TO 450* F. UNTIL CONDENSATION IS SUBSTANTIALLY COMPLETE TO PRODUCE A RESIN MIXTURE, ADDING A POLYHYDRIC ALCOHOL TO SAID RESIN MIXTURE IN AN AMOUNT SUFFICIENT TO REDUCE THE ACID NUMBER OF THE RESULTING MATEIAL TO A VALUE LESS THAN 10, REACTING SAID ALCOHOL WITH SAID RESIN MIXTURE AT A TEMPERATURE BETWEEN APPROXIMATELY 400 AND 575* F. TO PRODUCE A VISCOUS ESTER, INCORPORATING A SICCATIVE OIL INTO SAID ESTER IN AN AMOUNT BETWEEN 1 PART OF SICCATIVE OIL TO 2/3 PART ESTER AND 1 PART SICCATIVE OIL TO 9 PARTS ESTER BY WEIGHT AND BODYING THE RESULTING MIXTURE TO A CEMENTITIOUS GEL RESISTANT TO SOLVENTS, GREASE, OIL, ACIDS AND ALKALIES.