Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
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67/00
Preparation of carboxylic acid esters
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C07C67/30
by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
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C07C67/333
by isomerisation; by change of size of the carbon skeleton
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C07C67/343
by increase in the number of carbon atoms
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