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发明名称
Decreasing the colouration in sulphonates
摘要
The colouration in sulphonates, obtained by reacting SO3 with mono-olefinics, is decreased by treating them with aq. solns. of alkali(ne earth) metal hypochlorites saturated wit oxygen at 20-145 degrees C.
申请公布号
DE1933083(A1)
申请公布日期
1970.07.02
申请号
DE19691933083
申请日期
1969.06.30
申请人
CHEVRON RESEARCH COMPANY
发明人
SHARMAN,SAMUEL
分类号
C07C303/44;C07C309/04
主分类号
C07C303/44
代理机构
代理人
主权项
地址
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