Hydrophilic, highly swellable hydrogels

Details Hydrophilic, highly swellable hydrogels Hydrophilic, highly swellable hydrogels

1995-07-19

1998-03-24

Merriam, Andrew E. C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523201, 523205, 524 35, 524 47, 524560, 524563, 524916, 525 5423, 428407, C09K 1700, B01J 2032, C08J 3075

Patent

active

057313652

ABSTRACT:
The present invention relates to hydrophilic, highly swellable hydrogels which are coated with non-reactive, water-insoluble film-forming polymers.

REFERENCES:
patent: 4427836 (1984-01-01), Kowalski et al.
patent: 4979946 (1990-12-01), Gilman
patent: 5210113 (1993-05-01), Waters
patent: 5248709 (1993-09-01), Brehm
patent: 5278203 (1994-01-01), Harms
patent: 5331059 (1994-07-01), Ebert
patent: 5567744 (1996-10-01), Nagata et al.

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