Patents Assigned to Printon Australasia Pty. Limited
  • Patent number: 4013405
    Abstract: A highly improved printing paste, including a sublimable dye, a thickener and water, is disclosed, which includes an additive capable of increasing the effective amount of dye which is transferred to printing papers, thus greatly improving and simplifying the entire printing process. The additives disclosed include certain aliphatic alcohols in addition to certain cresols, products of the saponification of a fatty oil combined with a) a compound selected from the group consisting of ortho, meta, and para hydroxytoluene and ortho hydroxy diphenyl, and b) propylene glycol, phenyl methylacetate, dibutyl glycerol ethers, eucalyptus oil, dibutyl phthalate, and sodium salts of an aromatic sulphonic acid. Methods for preparing transfer printing papers utilizing these printing pastes are also disclosed, as well as the improved transfer papers prepared therefrom. These transfer printing papers may thus be prepared with conventional screen printing apparatus by employing these improved printing pastes.
    Type: Grant
    Filed: March 12, 1974
    Date of Patent: March 22, 1977
    Assignee: Printon Australasia Pty. Limited
    Inventor: Henry Donenfeld