| 摘要 |
1425138 Nitrile antiozonants for rubber SUMITOMO CHEMICAL CO Ltd 28 Jan 1974 [31 Jan 1973] 03953/74 Headings C3P and C3Q Rubber contains an antiozonant of formula wherein R 1 is C 1 to C 18 -alkyl, or R 2 is -H, CH 3 , or C 2 H 5 , and n is from 1 to 5, or a mixture of such a compound and petroleum wax.
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