PatentsDB

Phosphinic acid, e.g. H2P(O)(OH)

Phosphinic acid, e.g. H2P(O)(OH) · 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 codeC22B3/3842
Official title{Phosphinic acid, e.g. H2P(O)(OH)}
Display labelPhosphinic acid, e.g. H2P(O)(OH)
Total patents51

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20202
20213
20225
202314
202415
202510
20262

Representative patents

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

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC C22B3/3842?
CPC C22B3/3842 is the Cooperative Patent Classification code for “Phosphinic acid, e.g. H2P(O)(OH).”
How many patents are filed under CPC C22B3/3842 (Phosphinic acid, e.g. H2P(O)(OH))?
Our database includes 51 publications tagged with this CPC code.
Is patent activity under CPC C22B3/3842 growing?
Publication counts under this code: 15 in 2024 vs 10 in 2025 (latest complete years).