Patent classifications
Y
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Y10
TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Y10T
TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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428/00
Stock material or miscellaneous articles
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Y10T428/31504
Composite [nonstructural laminate]
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Y10T428/31551
Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
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Y10T428/31627
Next to aldehyde or ketone condensation product
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Y10T428/3163
Next to acetal of polymerized unsaturated alcohol [e.g., formal butyral, etc.]
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