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公开(公告)号：DE19732578A1
公开(公告)日：1999-03-04
申请号：DE19732578
申请日：1997-07-29
Applicant: HOECHST AG
Inventor： SIEVERS WERNER DR , DAIMINGER ULRICH DR , BOENSEL HARALD DR , BAUER WOLFGANG , SEMEL JOACHIM DR
Abstract: Sulphonated aromatic polyetherketone-cation exchangers (I) and sulphonated polyphenylene sulphide cation exchangers (II) are used as catalysts.
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