| 摘要 |
<p>1,179,506. Carbon paper coating composition. COLUMBIA RIBBON & CARBON MFG. CO. Inc. 17 Oct., 1967 [9 Nov., 1966], No. 47291/67. Heading C3P. [Also in Division D2] A composition used in making a transfer element (see Division D2) comprises vinyl chloridevinyl acetate copolymer, butyl stearate, sulphonated vegetable oil, refined rapeseed oil, black iron oxide, toluol, ethyl acetate and methyl ethyl ketone.</p> |
