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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16/00
Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00
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C08G16/025
with heterocyclic organic compounds
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C08G16/0268
containing nitrogen in the ring
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