Intergranular or grain boundary phases

Intergranular or grain boundary phases · 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 codeC04B2235/85
Official titleIntergranular or grain boundary phases
Display labelIntergranular or grain boundary phases
Total patents745

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201560
201663
201764
201866
201981
202071
202154
202285
202375
202466
202548
202612

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 C04B2235/85?
CPC C04B2235/85 is the Cooperative Patent Classification code for “Intergranular or grain boundary phases.”
How many patents are filed under CPC C04B2235/85 (Intergranular or grain boundary phases)?
Our database includes 745 publications tagged with this CPC code.
Is patent activity under CPC C04B2235/85 growing?
Publication counts under this code: 66 in 2024 vs 48 in 2025 (latest complete years).