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公开(公告)号：US3326958A
公开(公告)日：1967-06-20
申请号：US53462566
申请日：1966-03-16
Applicant: BAYER AG
Inventor： ULRICH CURTIUS , VOLKER BOLLERT , GERHARD FRITZ , JOACBIM NENTWIG
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2.发明授权Phosphoric acid diaryl esters as catalysts in transesterification of diarylcarbonates with dihydric phenols 失效磷酸二芳基酯作为二芳基碳酸酯与二元酚酯交换反应中的催化剂
公开(公告)号：US3321439A
公开(公告)日：1967-05-23
申请号：US38548664
申请日：1964-07-27
Applicant: BAYER AG
Inventor： VOLKER BOLLERT , ULRICH CURTIUS , GERHARD FRITZ , HERMANN SCHNELL
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