IPIQ

CHEMISTRY; METALLURGY

C07

ORGANIC CHEMISTRY

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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C07F9/02

Phosphorus compounds

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C07F9/06

without P—C bonds

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C07F9/08

Esters of oxyacids of phosphorus

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C07F9/09

Esters of phosphoric acids

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C07F9/10

Phosphatides, e.g. lecithin

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C07F9/103

Extraction or purification by physical or chemical treatment of natural phosphatides; Preparation of compositions containing phosphatides of unknown structure

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Patent classifications