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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18/00
Polymeric products of isocyanates or isothiocyanates
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C08G18/06
with compounds having active hydrogen
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C08G18/70
characterised by the isocyanates or isothiocyanates used
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C08G18/72
Polyisocyanates or polyisothiocyanates
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C08G18/8003
masked with compounds having at least two groups containing active hydrogen
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C08G18/8006
with compounds of C08G18/32
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C08G18/8009
with compounds of C08G18/3203
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C08G18/8022
with polyols having at least three hydroxy groups
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C08G18/8029
Masked aromatic polyisocyanates
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