Title:
【発明の名称】被膜に包まれたヒドロゲル
Document Type and Number:
Japanese Patent JP2002501088
Kind Code:
A
Abstract:
The invention relates to a hydrogel, comprising a hydrophilic hydrogel with a high swelling capacity which is reversibly coated with a material which delays or prevents the uptake of water or aqueous fluids. The invention also relates to a method for producing the hydrogel and to a method for releasing said hydrophilic hydrogel with a high swelling capacity.
Inventors:
Rüdiger Funk
Norbert Hellfeld
Ulrich Riegel
Mattias Weissmantel
Thomas daniel
Fritz Engelhard
Norbert Hellfeld
Ulrich Riegel
Mattias Weissmantel
Thomas daniel
Fritz Engelhard
Application Number:
JP2000528364A
Publication Date:
January 15, 2002
Filing Date:
January 20, 1999
Export Citation:
Assignee:
BASF Akchen Gezel Shaft
International Classes:
C08J7/04; B01J13/02; B01J20/26; C08F251/00; C08F251/02; C08J3/12; C08L51/00; C08L51/02; (IPC1-7): C08J7/04; B01J20/26
Domestic Patent References:
| JPH0884927A | 1996-04-02 | |||
| JPH0931203A | 1997-02-04 | |||
| JPH02242858A | 1990-09-27 | |||
| JPH01261250A | 1989-10-18 | |||
| JPH0280385A | 1990-03-20 |
Attorney, Agent or Firm:
Toshio Yano (4 outside)