Global Patent Index - EP 0277018 B1

EP 0277018 B1 19920401 - WATER ABSORBING POLYMERS

Title (en)

WATER ABSORBING POLYMERS

Publication

EP 0277018 B1 19920401 (EN)

Application

EP 88300727 A 19880128

Priority

  • GB 8702052 A 19870130
  • GB 8717093 A 19870720
  • GB 8719215 A 19870813
  • GB 8719216 A 19870813

Abstract (en)

[origin: EP0277018A2] A wet particulate mass is converted to a crumbly state by mixing into the mass water absorbent synthetic polymer paricles, for instance cross linked sodium polyacrylate, which are either in the form of aggregates above 50 mu m formed from fines below 50 mu m or are in the form of a dispersion in water immiscible liquid of particles below 50 mu m.

IPC 1-7

C10L 9/10

IPC 8 full level

C10L 9/10 (2006.01); C22B 1/244 (2006.01)

CPC (source: EP)

C10L 9/10 (2013.01); C22B 1/244 (2013.01)

Designated contracting state (EPC)

BE DE ES FR IT NL SE

DOCDB simple family (publication)

EP 0277018 A2 19880803; EP 0277018 A3 19890125; EP 0277018 B1 19920401; AU 1114488 A 19880804; AU 1114588 A 19880804; AU 596055 B2 19900412; AU 612619 B2 19910718; CA 1293351 C 19911224; DE 3869631 D1 19920507; EP 0277017 A2 19880803; EP 0277017 A3 19890125; ES 2030165 T3 19921016; GB 2200133 A 19880727; GB 2200133 B 19890405; GB 2200440 A 19880803; GB 2200440 B 19910508; GB 8801902 D0 19880224; GB 8801903 D0 19880224

DOCDB simple family (application)

EP 88300727 A 19880128; AU 1114488 A 19880201; AU 1114588 A 19880201; CA 557714 A 19880129; DE 3869631 T 19880128; EP 88300726 A 19880128; ES 88300727 T 19880128; GB 8801902 A 19880128; GB 8801903 A 19880128