Thermally-responsive record material
AssigneeAppleton Papers Inc.
InventorsMichael Gerald Cove, Mary Ellen Schulz
Life of this patent
Estimating the term…
Abstract
A novel thermally-responsive record material is disclosed comprising a support having provided thereon in substantially contiguous relationship an election donating dye precursor and a compound of the formula ##STR1##
Claims9
A thermally responsive record material comprising a support having provided thereon in substantially contiguous relationship an electron-donating dye precursor, an acidic developer material, a compound of the formula ##STR4## and a suitable binder therefor.
A thermally responsive record material comprising a support having provided thereon in substantially contiguous relationship an electro-donating dye precursor, an acidic developer material, 7-(trichloromethyl)benzyl acetate, and a suitable binder therefore.
Dependencies are inferred from the claim text.