Process for the preparation of porous, hydrophilic, highly swell

Details Process for the preparation of porous, hydrophilic, highly swell Process for the preparation of porous, hydrophilic, highly swell

1997-03-27

1999-10-26

Cooney, Jr., John M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521142, 521149, 521182, 521183, C08J 928

Patent

active

059730145

ABSTRACT:
The present application relates to a process for the preparation of porous, hydrophilic, highly swellable hydrogels, which comprises freeze-drying hydrophilic, highly swellable hydrogels which have been swollen with water.

REFERENCES:
patent: 4624868 (1986-11-01), Muller
patent: 4898908 (1990-02-01), Lahalih
patent: 5081163 (1992-01-01), Pekala
patent: 5629353 (1997-05-01), Steckle, Jr. et al.
patent: 5674642 (1997-10-01), Le et al.
patent: 5705535 (1998-01-01), Jansen et al.
European Search Report dated Apr. 14, 1998.
Derwent Abstract No. XP002060864 Dec. 1985.

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