EP 0000043 B1 19820106 - BISPHOSPHINIC ACID ANHYDRIDES AND PROCESS FOR ITS PREPARATION
Title (en)
BISPHOSPHINIC ACID ANHYDRIDES AND PROCESS FOR ITS PREPARATION
Publication
Application
Priority
DE 2726479 A 19770611
Abstract (en)
[origin: EP0000043A1] 1. Bisphosphinic acid anhydrides of the formula see diagramm : EP0000043,P7,F2 in which R is a saturated, open-chain, branched or unbranched alkylene radical having from 1 to 10, carbon atoms, see diagramm : EP0000043,P7,F3 or see diagramm : EP0000043,P7,F4 and R**1 and R**2 represent identical or different alkyl groups having from 1 to 4, carbon atoms and m is an integer of greater than or equal to 1.
IPC 1-7
IPC 8 full level
C07F 9/30 (2006.01); C07F 9/32 (2006.01); C08K 5/00 (2006.01); C08K 5/50 (2006.01); C08L 67/00 (2006.01); C08G 79/04 (2006.01)
CPC (source: EP)
C07F 9/305 (2013.01); C07F 9/3235 (2013.01)
Designated contracting state (EPC)
BE CH DE FR GB NL
DOCDB simple family (publication)
EP 0000043 A1 19781220; EP 0000043 B1 19820106; DE 2726479 A1 19781221; DE 2861500 D1 19820225; IT 1096717 B 19850826; IT 7824423 A0 19780609; JP S545964 A 19790117
DOCDB simple family (application)
EP 78100072 A 19780601; DE 2726479 A 19770611; DE 2861500 T 19780601; IT 2442378 A 19780609; JP 6899778 A 19780609