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专利名称：Condensation products of bis-(4-hydroxyphenyl) sulfones used as aids intanning, their preparation and their use fortanning leather
发明人：FIKENTSCHER, ROLF, DR.,LACH, DIETRICH,
DR.,SCHAFFER, ORTWIN, DR.,STREICHER,ROLF,OFTRING, ALFRED, DR.
申请号：EP88115295.3申请日：19880917公开号：EP0310846A2公开日：190412
摘要：A product of the condensation of bis(4-hydroxyphenyl) sulphone, an aldehyde,dialdehyde and/or glyoxylic acid and aminoacetic acid or an N-substituted aminoaceticacid is used as a tanning aid in a leather-tanning method using this condensation productin combination, in particular, with aluminium tanning agents.
申请人：BASF AKTIENGESELLSCHAFT
地址：Carl-Bosch-Strasse 38 D-67063 Ludwigshafen DE
国籍：DE
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