EP 1028981 A1 20000823 - THE REACTION OF A POLYHYDROXY POLYMER OR A DERIVATIVE THEREOF WITH A LACTONE
Title (en)
THE REACTION OF A POLYHYDROXY POLYMER OR A DERIVATIVE THEREOF WITH A LACTONE
Title (de)
UMSETZUNG EINES POLYHYDROXYPOLYMEREN BZW. EINES DERIVATES DAVON MIT EINEM LACTON
Title (fr)
REACTION D'UN POLYHYDROXYPOLYMERE OU D'UN DERIVE DE CELUI-CI AVEC UNE LACTONE
Publication
Application
Priority
- CH 255897 A 19971105
- CH 134998 A 19980624
- CH 151498 A 19980715
- IB 9801734 W 19981030
Abstract (en)
[origin: WO9923118A1] The invention relates to the reaction of a polyhydroxy polymer or a derivative thereof with at least one lactone, lactam or one suited carboxylic acid in order to produce a preferably biodegradable polymer resulting in a homogenous melting, preferably by means of extrusion reaction.
IPC 1-7
IPC 8 full level
C08B 3/06 (2006.01); C08B 3/16 (2006.01); C08B 31/04 (2006.01); C08B 37/00 (2006.01); C08B 37/02 (2006.01); C08B 37/04 (2006.01); C08B 37/08 (2006.01); C08B 37/12 (2006.01); C08F 8/00 (2006.01); C08F 8/16 (2006.01); C08G 63/00 (2006.01); C08G 63/664 (2006.01)
CPC (source: EP)
C08B 3/06 (2013.01); C08B 31/04 (2013.01); C08F 8/00 (2013.01); C08F 8/16 (2013.01); C08G 63/00 (2013.01); C08G 63/664 (2013.01)
Citation (search report)
See references of WO 9923118A1
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB IT LI NL SE
DOCDB simple family (publication)
WO 9923118 A1 19990514; AU 9554698 A 19990524; CN 1278268 A 20001227; EP 1028981 A1 20000823; JP 2001521947 A 20011113
DOCDB simple family (application)
IB 9801734 W 19981030; AU 9554698 A 19981030; CN 98810649 A 19981030; EP 98949178 A 19981030; JP 2000518988 A 19981030