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US 4,450,227 AGranted
Dispersed imaging systems with tetra (hydrocarbyl) borate salts
AssigneeMinnesota Mining and Manufacturing Company
InventorsBrian N. Holmes, Rex J. Dalzell, Steven M. Aasen
Life of this patent
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Abstract
Light sensitive systems comprising a tetra(hydrocarbyl)borate and a dye may be used in the form of a dispersion, with the light sensitive borate and dye in one phase which is dispersed within a second phase.
Claims10
A light-sensitive positive-acting imaging material comprising a first phase comprising a tetra(hydrocarbyl)borate salt in reactive association with a bleachable dye in a solid or liquid medium and said first phase dispersed in a second phase.
Dependencies are inferred from the claim text.