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1.发明授权
公开(公告)号：US3826727A
公开(公告)日：1974-07-30
申请号：US22351772
申请日：1972-02-04
Applicant: BASF AG
Inventor： DAUT H , SOENKSEN U , WIELANT W
CPC classification number: B01J19/123
Abstract: A PROCESS FOR BRIGHTENING COLORED A-AMINOCARBOXYLIC ACIDS AND THEIR DERIVATIVES WHICH BEAR AT LEAST ONE CARBOXYL GROUP OR ITS ANION IN THE A-POSITION ON EACH BASIC NITROGEN ATOM BY MEANS OF HIGH INTENSITY RADIATION.
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