EP 1606341 A1 20051221 - METHOD FOR THE RECOVERY OF A VINYL ALCOHOL POLYMER IN SOLUTION
Title (en)
METHOD FOR THE RECOVERY OF A VINYL ALCOHOL POLYMER IN SOLUTION
Title (de)
VERFAHREN ZUR RÜCKGEWINNUNG EINES VINYLALKOHOLPOLYMERS IN LÖSUNG
Title (fr)
PROCEDE POUR LA RECUPERATION D UN POLYMERE D ALCOOL VINYLIQUE EN SOLUTION
Publication
Application
Priority
- EP 2004002634 W 20040311
- FR 0303209 A 20030314
Abstract (en)
[origin: FR2852319A1] Recovery of a vinyl alcohol polymer from a solution in a solvent comprises converting the solution to a gel, adding water to the gel, and mechanically breaking the gel to form a suspension of polymer particles in a liquid comprising the solvent and water. An independent claim is also included for vinyl alcohol polymer particles produced as above whose greatest dimension is 100 Microm or less.
IPC 1-7
IPC 8 full level
C08F 6/12 (2006.01); C08J 3/14 (2006.01); C08J 11/08 (2006.01)
CPC (source: EP US)
B29B 17/02 (2013.01 - EP); C08F 6/12 (2013.01 - EP US); C08J 3/14 (2013.01 - EP US); C08J 11/08 (2013.01 - EP US); B29B 17/0412 (2013.01 - EP); B29B 2017/0203 (2013.01 - EP); B29B 2017/0293 (2013.01 - EP); B29B 2017/0476 (2013.01 - EP); B29K 2023/065 (2013.01 - EP); B29K 2023/086 (2013.01 - EP); B29L 2031/7172 (2013.01 - EP); C08J 2329/04 (2013.01 - EP US); Y02W 30/52 (2015.05 - EP); Y02W 30/62 (2015.05 - EP US)
Citation (search report)
See references of WO 2004081094A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
FR 2852319 A1 20040917; FR 2852319 B1 20070706; EP 1606341 A1 20051221; JP 2006520415 A 20060907; US 2006223896 A1 20061005; WO 2004081094 A1 20040923
DOCDB simple family (application)
FR 0303209 A 20030314; EP 04719452 A 20040311; EP 2004002634 W 20040311; JP 2006504682 A 20040311; US 54909905 A 20051014