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US 4,543,316 AGranted
Drafting material
AssigneeHoechst Aktiengesellschaft
InventorKlaus Thoese
Life of this patent
Estimating the term…
Abstract
Disclosed is a drafting material comprising a plastic support having on at least one surface thereof an adhesive layer, a layer of pigmented or clear lacquer and a top layer which includes a homo- or copolymer of vinyl acetate and an antistatic agent, wherein the antistatic agent contained in the top layer is a polyamino/polyamide resin modified with an epihalohydrin, preferably epichlorohydrin, the resin being a condensation product of at least one aliphatic dicarboxylic acid or polymeric carboxylic acid and at least one polyamine.
Claims14
A drafting material for receiving an aqueous ink, comprising:
- a plastic support;
- an adhesive layer applied on at least one surface of said support;
- a layer of lacquer applied on said adhesive layer;
- and
- a top layer, comprising a homo- or copolymer of vinyl acetate and an antistatic agent, said antistatic agent comprising a polyamino/polyamide resin modified with an epihalohydrin.
2 more elements
Dependencies are inferred from the claim text.