Patent classifications
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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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436/00
Chemistry: analytical and immunological testing
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Y10T436/200833
Carbonyl, ether, aldehyde or ketone containing
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Y10T436/201666
Carboxylic acid
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