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Separation; Purification; Stabilisation; Use of additives (separation of optical isomers C07C227/34)

Separation; Purification; Stabilisation; Use of additives (separation of optical isomers C07C227/34) · 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	C07C227/38
Official title	Separation; Purification; Stabilisation; Use of additives (separation of optical isomers C07C227/34)
Display label	Separation; Purification; Stabilisation; Use of additives (separation of optical isomers C07C227/34)
Total patents	9

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

Filing activity over the last five years is stable.

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