with use of organic or inorganic compounds other than metals, first

with use of organic or inorganic compounds other than metals, first · 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 codeC23C18/1844
Official title{with use of organic or inorganic compounds other than metals, first}
Display labelwith use of organic or inorganic compounds other than metals, first
Total patents150

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
201519
201618
201718
201812
20199
202023
202115
202213
202312
20246
20255

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 C23C18/1844?
CPC C23C18/1844 is the Cooperative Patent Classification code for “with use of organic or inorganic compounds other than metals, first.”
How many patents are filed under CPC C23C18/1844 (with use of organic or inorganic compounds other than metals, first)?
Our database includes 150 publications tagged with this CPC code.
Is patent activity under CPC C23C18/1844 growing?
Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).