Patent classifications
C
CHEMISTRY; METALLURGY
Load children
C07
ORGANIC CHEMISTRY
Load children
C07F
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
Load children
9/00
Compounds containing elements of Groups 5 or 15 of the Periodic Table
Load children Filter patents View analytics View as hierarchy
C07F9/28
with one or more P—C bonds
Load children Filter patents View analytics View as hierarchy
C07F9/54
Quaternary phosphonium compounds
Load children Filter patents View analytics View as hierarchy
C07F9/5463
Compounds of the type "quasi-phosphonium", e.g. (C)a-P-(Y)b wherein a+b=4, b>=1 and Y=heteroatom, generally N or O
Filter patents View analytics View as hierarchy