公开(公告)号：DE59705787D1

公开(公告)日：2002-01-24

申请号：DE59705787

申请日：1997-07-29

Applicant: BASF AG

Inventor： HACKMANN CLAUS ,  ACKER MICHAEL ,  HENNING GEORG ,  MENSCH SIEGFRIED

IPC: C09B5/62

Abstract: PCT No. PCT/EP97/04101 Sec. 371 Date Oct. 28, 1998 Sec. 102(e) Date Oct. 28, 1998 PCT Filed Jul. 29, 1997 PCT Pub. No. WO98/06786 PCT Pub. Date Feb. 19, 1998Preparation of N,N'-di(C1-C4 alkyl)perylene-3,4,9,10-tetracarboxylic acid diimides (I) by the reaction of perylene-3,4,9,10-tetracarboxylic acid diimide (II) with a C1-C4 alkyl halide, in which the reaction is carried out in a dipolar-aprotic organic solvent in the presence of an inorganic base.

公开(公告)号：DE59207628D1

公开(公告)日：1997-01-16

申请号：DE59207628

申请日：1992-03-25

Applicant: BASF AG

Inventor： ACKER MICHAEL ,  ALBERT BERNARD ,  SCHMITT MICHAEL

IPC: C09B23/00 ,  C09B23/02 ,  C09B23/06 ,  G03C1/18 ,  G03F7/028 ,  G11B7/24 ,  G11B7/244 ,  G11B7/247 ,  G11B7/253 ,  G11B7/2531 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2535