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containing SO3H, OSO3H

containing SO3H, OSO3H · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC09B29/0803
Official title{containing SO3H, OSO3H}
Display labelcontaining SO3H, OSO3H
Total patents8

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20151
20162
20171
20191
20202
20211

Representative patents

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