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US 4,290,933 AGranted
Adhesive composition for making form sets from carbonless copy paper sheets
AssigneeAppleton Papers Inc.
InventorWilliam J. Becker
Life of this patent
Estimating the term…
Abstract
A process for separating a collated stack of carbonless copy paper sheets into form sets, which comprises applying to the edge of the stack of sheets to be padded an adhesive composition containing borax, drying and separating the unit sets.
Claims5
An adhesive composition for making form sets from carbonless copy paper sheets consisting essentially of:
- (a) an acrylic polymer latex emulsion,
- (b) at least one water-miscible organic solvent, and
- (c) sodium tetraborate decahydrate.
Dependencies are inferred from the claim text.