71476533
Nov 16, 1944
Jul 10, 1945
THERMO-SETTING PLASTIC IN THE NATURE OF A PAINT CONVERTED BY HEAT INTO AN INSOLUBLE, INFUSIBLE FILM, BEING RESISTANT AGAINST ACIDS, ALKALI, SALT SPRAY, HUMIDITY, AND OTHER ELEMENTS, AND APPLIED BY BRUSH, SPRAY, ROLLER-COATING OR DIPPED PROCESSES
Paper Goods and Printed Matter