公开(公告)号：US3634545A

公开(公告)日：1972-01-11

申请号：US3634545D

申请日：1969-08-14

Applicant: BAYER AG

Inventor： ENGELHARD HELMUT ,  BENTZ FRANCIS ,  GIESSLER WOLFGANG ,  NISCHK GUNTHER-ERNST

IPC: C08F283/06 ,  C08F11/02 ,  C08F29/56 ,  C08G39/10

CPC classification number: C08F283/06 ,  Y10S8/18 ,  C08F220/44

Abstract: THE PRESENT INVENTION RELATED TO ACRYLONITRILE GRAFT POLYMERS CONTAINING AT LEAST 50% BY WEIGHT OF GRAFT POLYMERISED ACRYLONITRILE AND OPTIONALLY UP TO 10% BY WEIGHT OF ANOTHER GRAFT POLYMERISED ACRYLIC, METHACRYLIC, VINYL OR VINYLIDENE COMONOMER AND, AS GRAFT SUBSTRATE FROM 5 TO 40% BY WEIGHT OF A LINER POLYETHER CONTAINING TERTIARY NITROGEN ATOMS OR A DERIVATIVE THEREOF WHICH IS QUATERNIZED ON THE NITROGEN.

公开(公告)号：US3669928A

公开(公告)日：1972-06-13

申请号：US3669928D

申请日：1970-06-26

Applicant: BAYER AG

Inventor： LORENZ GUNTER ,  GALLUS MANFRED ,  GIESSLER WOLFGANG ,  NISCHK GUNTHER

IPC: C08G73/00 ,  C08G73/06 ,  C08G20/20 ,  C08G30/02

CPC classification number: C08G73/06

Abstract: Improvement in the production of high molecular weight polybenzoxazinones from bis-anthranilic acid derivatives and dicarboxylic acid dihalides followed by ring closure of the polyamidocarboxylic acid obtained, wherein ring closure is effected by a liquid or dissolved dehydrating agent in an organic solvent.

Abstract translation: 改进了由双 - 邻氨基苯甲酸衍生物和二羧酸二卤化物生产高分子量聚苯并恶嗪酮，然后闭环获得的聚酰胺羧酸，其中通过液体或溶解的脱水剂在有机溶剂中进行闭环。

公开(公告)号：US3527732A

公开(公告)日：1970-09-08

申请号：US3527732D

申请日：1968-10-22

Applicant: BAYER AG

Inventor： WOLF GERHARD DIETER ,  GIESSLER WOLFGANG ,  BENTZ FRANCIS ,  NISCHK GUNTHER

IPC: C08G69/32 ,  C08G73/06 ,  C08G20/20

CPC classification number: C08G69/32 ,  C08G73/0694

公开(公告)号：US3474135A

公开(公告)日：1969-10-21

申请号：US3474135D

申请日：1964-12-22

Applicant: BAYER AG

Inventor： BODESHEIM FERDINAND ,  GIESSLER WOLFGANG ,  NISCHK GUNTHER

IPC: C07C309/14 ,  C07C143/14

CPC classification number: C07C309/14