in gaseous phase

in gaseous phase · 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 codeC03C21/007
Official title{in gaseous phase}
Display labelin gaseous phase
Total patents97

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
20154
201610
201710
201813
20196
20206
20217
202216
202315
20245
20254
20261

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 C03C21/007?
CPC C03C21/007 is the Cooperative Patent Classification code for “in gaseous phase.”
How many patents are filed under CPC C03C21/007 (in gaseous phase)?
Our database includes 97 publications tagged with this CPC code.
Is patent activity under CPC C03C21/007 growing?
Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).