Manufacture of splinterless glass

349,283. Compound transparencies. I. G. FARBENINDUSTRIE AKT.-GES., Frankfort-on-Main, Germany. May 13, 1930, No. 14721. Convention date, May 13, 1929. [Class 140.] Glass sheets are united by a layer of vinyl ester with or without a softening agent such as tributyl phosphate. Polyvinyl acetate, chloracetate, butyrate, &c., or vinyl chloracetate &c., or mixtures of these, may be used and applied either pulverized or in solution to the glass sheets at temperatures of 60-100‹ C. and united by gentle pressure. Specification 314,379, [Class 20 (iii), Doors &c.], is referred to.