US Patent 9663663 Airfoil leading edge coatings
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Patent abstract
A polyurethane or polyurea coating composition for use in protecting a leading edge substrate on an airfoil, such as aircraft wings, rotor blades and propeller blades, against liquid or solid particle erosion, the composition made from a polyisocyanate and curing agents, such as polyaspartic esters, aldimines and ketimines, polyamines and polyols or mixtures thereof with optional flatting agent for matte coatings.
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Patent Inventor Names
Shek C. Hong0
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US Patent 09663663 Airfoil leading edge coatings US Patent 9663663 Airfoil leading edge coatings
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Patent Number
09663663
Patent Number
9663663
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US Patent 09663663 Airfoil leading edge coatings
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Patent jurisdiction
Patent number
09663663
Date of patent
May 30, 2017
Patent application number
14026686
Date Filed
September 13, 2013
Patent primary examiner
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