Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07F
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
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9/00
Compounds containing elements of Groups 5 or 15 of the Periodic Table
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C07F9/28
with one or more P—C bonds
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C07F9/38
Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids; ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
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C07F9/4003
the acid moiety containing a substituent or a structure which is considered as characteristic
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C07F9/4015
Esters of acyclic unsaturated acids
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