| 摘要 |
1331781 Cementitious compositions IMPERIAL CHEMICAL INDUSTRIES Ltd 19 April 1971 [18 March 1970] 13039/70 Addition to 1192864 Heading C1H The reaction product of castor oil with a hard resin is added to the composition of Specification 1,192,864. The hard resin is defined as either a resinate of a Group IIa metal or the condensate from resin and at least one pelyhydric alcohol with or without at least one resol resin or at least one α#-unsaturated dicarboxylic acid or its anhydride. |
