公开(公告)号：US3642665A

公开(公告)日：1972-02-15

申请号：US3642665D

申请日：1969-08-12

Applicant: BASF AG ,  MARIE LOUISE HERMINE KASTNING ,  SCHNEIDER KURT

Inventor： GEHM ROBERT ,  KASTNING ERNST-GUENTHER

IPC: C08G65/26 ,  C08G23/06 ,  C08G23/14

CPC classification number: C08G65/269 ,  C08G65/2651

Abstract: A PROCESS FOR THE PRODUCTION OF HIGH-MOLECULAR-WEIGHT POLYMERS OF 1,2-ALKYLENE OXIDES USING A CATALYST PREPARED BY REACTING 1 MOLE OF AN ALKALINE EARTH METAL HEXAAMMONIATE AND/OR AN ALKAIINE EARTH METAL AMIDE IN LIQUID AMMONIA WITH 0.1 TO 1 MOLE OF A 1,2 ALKYLENE OXIDE AND 0.1 TO 2 MOLES OF GUANIDINE AND/OR A GUANIDINE SALT AND/OR A MIXUTRE OF SUBSTANCES WHICH WILL FORM A GUANIDINE SALT UNDER THE REACTION CONDITIONS.

公开(公告)号：US3627702A

公开(公告)日：1971-12-14

申请号：US3627702D

申请日：1969-08-12

Applicant: MARIE LOUISE HERMINE KASTNING ,  LEGAL REPRESENTATIVE OF MINOR ,  SCHNEIDER KURT ,  BASF AG

Inventor： GEHM ROBERT ,  KASTNING ERNST-GUENTHER

IPC: C08G65/26 ,  C08G23/14

CPC classification number: C08G65/2651 ,  C08G65/269

Abstract: A process for the production of high-molecular-weight polymers of 1,2-alkylene oxides using a catalyst prepared by reacting 1 mole of an alkaline earth metal hexaammoniate and/or an alkaline earth metal amide in liquid ammonia with 0.1 to 1 mole of a 1,2alkylene oxide and 0.1 to 2 moles of cyanamide and/or dicyandiamide.

公开(公告)号：US3512971A

公开(公告)日：1970-05-19

申请号：US3512971D

申请日：1967-08-29

Applicant: BASF AG

Inventor： FLOSS JOSEF GEORG ,  BAYERLEIN FRIEDRICH ,  BRODT RUDOLF ,  HENKLER HERBERT ,  STREHLER HUGO ,  WILHELM HANS ,  GEHM ROBERT

IPC: G03F7/037 ,  G03C1/68

CPC classification number: G03F7/037 ,  Y10S430/114