Patent classifications
C
CHEMISTRY; METALLURGY
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C08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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C08G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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61/00
Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
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C08G61/12
Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
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C08G61/122
derived from five- or six-membered heterocyclic compounds, other than imides
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C08G61/123
derived from five-membered heterocyclic compounds
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C08G61/125
with a five-membered ring containing one oxygen atom in the ring
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