Global patent index - EP 1069938 A1

EP 1069938 A1 2001-01-24 - ORGANIC ION-SELECTIVE MEMBRANES

Title (en)

ORGANIC ION-SELECTIVE MEMBRANES

Title (de)

ORGANISCHE IONENSELEKTIVE MEMBRANEN

Title (fr)

MEMBRANES ORGANIQUES SELECTIVES D'IONS

Publication

EP 1069938 A1 (EN)

Application

EP 99914252 A

Priority

  • US 9906832 W
  • US 5589598 A

Abstract (en)

[origin: WO9951330A1] The invention provides ion-selective membranes made without use of extraneous solvents, and methods of making such membranes. The membranes of the invention are less porous, more inert to water, have a longer shelf life, and are suitable for efficient manufacture in large quantities.

IPC 1-7 (main, further and additional classification)

B01D 67/00; B01D 69/02; C08J 5/22; G01N 27/333

IPC 8 full level (invention and additional information)

B01D 67/00 (2006.01); B01D 69/02 (2006.01); B01D 71/30 (2006.01); B01D 71/38 (2006.01); C08J 5/22 (2006.01); G01N 27/333 (2006.01)

CPC (invention and additional information)

G01N 27/3335 (2013.01); C08J 5/2275 (2013.01); C08J 2327/08 (2013.01)

Citation (search report)

See references of WO 9951330A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 9951330 A1 19991014; AU 3214199 A 19991025; CA 2330463 A1 19991014; CN 1302223 A 20010704; EP 1069938 A1 20010124; JP 2002510540 A 20020409; ZA 200006298 B 20011107

INPADOC legal status

2004-04-07 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20031001

2001-01-24 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20001031

2001-01-24 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE