expanded

expanded · 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 codeC04B14/185
Official title{expanded}
Display labelexpanded
Total patents59

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
20154
20165
20177
20187
20198
20204
20217
20224
20233
20248
20252

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 C04B14/185?
CPC C04B14/185 is the Cooperative Patent Classification code for “expanded.”
How many patents are filed under CPC C04B14/185 (expanded)?
Our database includes 59 publications tagged with this CPC code.
Is patent activity under CPC C04B14/185 growing?
Publication counts under this code: 8 in 2024 vs 2 in 2025 (latest complete years).