Stabilizers for use with photoacid precursor formulations
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United States of America Patent
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Sep 9, 1997
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app pub date -
Jun 7, 1995
filing date -
Jun 7, 1995
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Abstract
The present invention discloses stabilizers for formulations containing photoacid precursors and cationically polymerizable materials. The stabilizers have a limited solubility in the formulations and are in solubility equilibrium in the formulation. The stabilizers being present as a solid phase in the formulation in excess of their solubility limit, the concentration of the stabilizers is continuously replenished as the stabilizer reacts with undesired free acid.
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