Treatment with inorganic compounds

Treatment with inorganic compounds · 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 codeC09C1/3045
Official title{Treatment with inorganic compounds}
Display labelTreatment with inorganic compounds
Total patents58

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20155
20166
20179
20184
20194
20202
202110
20224
20232
20249
20253

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 C09C1/3045?
CPC C09C1/3045 is the Cooperative Patent Classification code for “Treatment with inorganic compounds.”
How many patents are filed under CPC C09C1/3045 (Treatment with inorganic compounds)?
Our database includes 58 publications tagged with this CPC code.
Is patent activity under CPC C09C1/3045 growing?
Publication counts under this code: 9 in 2024 vs 3 in 2025 (latest complete years).