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
C07F9/547
Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
Load children Filter patents View analytics View as hierarchy
C07F9/6527
having nitrogen and oxygen atoms as the only ring hetero atoms
Load children Filter patents View analytics View as hierarchy
C07F9/65306
containing two nitrogen atoms
Load children Filter patents View analytics View as hierarchy
C07F9/65312
having the two nitrogen atoms in positions 1 and 2
Filter patents View analytics View as hierarchy