Water resistance, i.e. waterproof or water-repellent materials

Water resistance, i.e. waterproof or water-repellent materials · 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 codeC04B2111/27
Official titleWater resistance, i.e. waterproof or water-repellent materials
Display labelWater resistance, i.e. waterproof or water-repellent materials
Total patents290

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
201520
201615
201722
201817
201933
202029
202125
202228
202333
202433
202530
20265

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 C04B2111/27?
CPC C04B2111/27 is the Cooperative Patent Classification code for “Water resistance, i.e. waterproof or water-repellent materials.”
How many patents are filed under CPC C04B2111/27 (Water resistance, i.e. waterproof or water-repellent materials)?
Our database includes 290 publications tagged with this CPC code.
Is patent activity under CPC C04B2111/27 growing?
Publication counts under this code: 33 in 2024 vs 30 in 2025 (latest complete years).