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US 6,150,036 AGranted
Universal ink jet drafting film
AssigneeAzon Corporation
InventorMichael J. Lubar
Life of this patent
Estimating the term…
Abstract
A universal medium for ink jet printing comprises an ink receptor layer formed from a hydrophilic polymer and having a thin top coating of a cationic polymer. The medium can be used with pigment and dye based inks having either aqueous or glycol based solvents systems.
Claims7
An ink receptive medium for an ink jet printer, said medium comprising:
- a substrate;
- an ink receptor layer supported on said substrate, said receptor layer comprising a hydrophilic polymer;
- and
- a top coat layer disposed upon said ink receptor layer, said top coat comprising styrene maleic anhydride wherein a portion of the anhydride rings are opened.
1 more element
Dependencies are inferred from the claim text.