公开(公告)号：DK496176A

公开(公告)日：1977-05-04

申请号：DK496176

申请日：1976-11-02

Applicant: BAYER AG

Inventor： MAZANEK J ,  BLAHAK J ,  ARLT D

IPC: C07C205/43 ,  C07C20060101 ,  C07C67/00 ,  C07C68/06 ,  C07C201/00 ,  C07C

Abstract: A process for preparing 4,4'-dinitro-diphenyl carbonate which comprises adding to a sulfuric acid solution of diphenyl carbonate maintained at a temperature between -40 and +40 DEG C a nitric acid in a stoichiometric or slight stoichiometric excess.

公开(公告)号：BR7607286A

公开(公告)日：1977-09-13

申请号：BR7607286

申请日：1976-10-29

Applicant: BAYER AG

Inventor： MAZANEK J ,  BLAHAK J ,  ARLT D

IPC: C07C205/43 ,  C07C20060101 ,  C07C67/00 ,  C07C68/06 ,  C07C201/00 ,  C07C79/22

Abstract: A process for preparing 4,4'-dinitro-diphenyl carbonate which comprises adding to a sulfuric acid solution of diphenyl carbonate maintained at a temperature between -40 and +40 DEG C a nitric acid in a stoichiometric or slight stoichiometric excess.

公开(公告)号：ZA772665B

公开(公告)日：1978-03-29

申请号：ZA772665

申请日：1977-05-04

Applicant: BAYER AG

Inventor： BLAHAK J ,  MAZANEK J

IPC: C08G2/00 ,  C08G2/18 ,  C08G18/00 ,  C08G18/50 ,  C08G18/52 ,  C08G65/00 ,  C08G65/32 ,  C08G65/332 ,  C08G65/333 ,  C08G65/338 ,  C08G75/02 ,  C07C

Abstract: The invention relates to compositions containing both amino groups and hydroxyl and/or mercapto groups. The products are obtained by reacting relatively high molecular weight polyols and/or polythiols with less than equivalent quantities of isatoic acid anhydride.

公开(公告)号：ZA7702665B

公开(公告)日：1978-03-29

申请号：ZA7702665

申请日：1977-05-04

Applicant: BAYER AG

Inventor： BLAHAK J ,  MAZANEK J

IPC: C08G2/00 ,  C08G2/18 ,  C08G18/00 ,  C08G18/50 ,  C08G18/52 ,  C08G65/00 ,  C08G65/32 ,  C08G65/332 ,  C08G65/333 ,  C08G65/338 ,  C08G75/02 ,  C07C

CPC classification number: C08G75/02 ,  C08G18/5027 ,  C08G18/5072 ,  C08G18/52 ,  C08G65/332 ,  C08G65/33306 ,  C08G65/33324 ,  C08G65/338