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公开(公告)号：US3840383A
公开(公告)日：1974-10-08
申请号：US32226373
申请日：1973-01-09
Applicant: BAYER AG
Inventor： BOCKMANN A , KRESSE P , RUDOLPH H , PRINTZEN H
CPC classification number: C09C3/08 , C01P2004/84
Abstract: IN WHICH R is an alkylene radical of from 2 to 10 carbon atoms; R1 is a hydrogen atom or an alkyl radical with from 1 to 6 carbon atoms; and R2 is a hydrogen atom or an alkyl radical with from 1 to 6 carbon atoms.
A flocculation-stable colored inorganic pigment exhibiting good resistance to corrosion admixed with about 0.05 to 3 percent by weight of an N,N''-diacyl diamine of the formula
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