Sensor with overcoating and process for making same
First Claim
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1. A process for forming an overcoating on a sensing element, comprising the steps of:
- contacting a sensing element with a composition comprising a solvent and a soluble cellulosic coating material or a soluble precursor of said cellulosic coating material to form a composition coated sensing element; and
treating said composition coated sensing element so as to cross-link said cellulosic coating material and form said overcoating on said sensing element.
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Abstract
A sensor comprising a sensing element capable of sensing a component in an aqueous medium and an overcoating at least partially covering the sensing element. The overcoating comprises a water insoluble, component permeable, cross-linked cellulosic material and an effective amount of an opaque agent.
19 Citations
20 Claims
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1. A process for forming an overcoating on a sensing element, comprising the steps of:
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contacting a sensing element with a composition comprising a solvent and a soluble cellulosic coating material or a soluble precursor of said cellulosic coating material to form a composition coated sensing element; and treating said composition coated sensing element so as to cross-link said cellulosic coating material and form said overcoating on said sensing element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification