involving the removal of at least part of the materials of the treated article, {e.g. etching, drying of hardened concrete (C04B41/0036 - C04B41/0054 take precedence)}

involving the removal of at least part of the materials of the treated article, {e.g. etching, drying of hardened concrete (C04B41/0036 - C04B41/0054 take precedence)} · 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 codeC04B41/53
Official titleinvolving the removal of at least part of the materials of the treated article, {e.g. etching, drying of hardened concrete (C04B41/0036 - C04B41/0054 take precedence)}
Display labelinvolving the removal of at least part of the materials of the treated article, {e.g. etching, drying of hardened concrete (C04B41/0036 - C04B41/0054 take precedence)}
Total patents142

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
20158
201613
20177
201812
20199
202015
202117
202211
202317
202419
202511
20263

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 C04B41/53?
CPC C04B41/53 is the Cooperative Patent Classification code for “involving the removal of at least part of the materials of the treated article, {e.g. etching, drying of hardened concrete (C04B41/0036 - C04B41/0054 take precedence)}.”
How many patents are filed under CPC C04B41/53 (involving the removal of at least part of the materials of the treated article, {e.g. etching, drying of hardened concrete (C04B41/0036 - C04B41/0054 take precedence)})?
Our database includes 142 publications tagged with this CPC code.
Is patent activity under CPC C04B41/53 growing?
Publication counts under this code: 19 in 2024 vs 11 in 2025 (latest complete years).