Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1993-05-21
1994-03-01
Nutter, Nathan M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525293, 525319, 5253261, 5253319, 5253333, 525343, C08F25500, C08F26500, C08F26700, C08F27300
Patent
active
052908704
ABSTRACT:
The present invention provides graft copolymers that are highly absorbent to aqueous electrolyte solutions. The graft copolymer is formed by the graft polymerizing an effective amount of each of the following components together to provide a highly absorbent copolymer:
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Ahmed Iqbal
Hsieh Henry L.
Nutter Nathan M.
Philliips Petroleum Company
Stokes Cynthia L.
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