| 摘要 |
648,738. Printing inks. HUGHES, R. M. (Putnam Mfg. Co., Inc., F. A.). April 26, 1949, No. 11049. Drawing to Specification. [Class 146 (iii)] [Also in Group XVI] A thermoplastic printing ink for use with heated type and which may be impregnated into an absorbent inking roll (see Group XVI) comprises, in parts by weight : chlorinated di-phenol 10, oleic acid 1, aniline dye (e.g. methyl violet 2B base) 1. |
