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Phosphines, e.g. compounds with the formula PRnH3-n, with n = 0-3

Phosphines, e.g. compounds with the formula PRnH3-n, with n = 0-3 · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	C22B3/381
Official title	{Phosphines, e.g. compounds with the formula PRnH3-n, with n = 0-3}
Display label	Phosphines, e.g. compounds with the formula PRnH3-n, with n = 0-3
Total patents	6

Year-over-year patent counts classified under this CPC code.

Filing activity appears stable based on the most recent years.

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.