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having nitrogen atoms of carboxamide groups quaternised

having nitrogen atoms of carboxamide groups quaternised · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

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CPC classification statistics
Metric	Value
CPC code	C07C233/89
Official title	having nitrogen atoms of carboxamide groups quaternised
Display label	having nitrogen atoms of carboxamide groups quaternised
Total patents	3

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.