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US 4,728,689 AGranted
Optionally and partially salified polystyrene-sulfonic acid as antistatic agent
OwnerNorio Saitoinventor
Life of this patent
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Abstract
An antistatic composition which essentially consists of (1) optionally and partially salified polystyrenesulfonic acid; (2) acrylic or urethane resin; and (3) aqueous and organic solvents.
Claims1
A method for imparting antistatic properties to a plastic material comprising the step of applying a composition which consists essentially of ( 1) optionally and partially salified polystyrene-sulfonic acid selected from the group consisting of polystyrenesulfonic acid and partially salified polystyrenesulfonic acid;
- (2) acrylic or urethane resin;
- and (3) aqueous and organic solvents.
Dependencies are inferred from the claim text.