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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65/00
Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
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C08G65/02
from cyclic ethers by opening of the heterocyclic ring
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C08G65/26
from cyclic ethers and other compounds
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C08G65/2603
the other compounds containing oxygen
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C08G65/2615
the other compounds containing carboxylic acid, ester or anhydride groups
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