Water proofers or repellants

Water proofers or repellants · 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 codeC04B2103/65
Official titleWater proofers or repellants
Display labelWater proofers or repellants
Total patents96

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
20157
20167
201711
20186
20197
202012
202110
20225
20237
202416
20256
20262

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 C04B2103/65?
CPC C04B2103/65 is the Cooperative Patent Classification code for “Water proofers or repellants.”
How many patents are filed under CPC C04B2103/65 (Water proofers or repellants)?
Our database includes 96 publications tagged with this CPC code.
Is patent activity under CPC C04B2103/65 growing?
Publication counts under this code: 16 in 2024 vs 6 in 2025 (latest complete years).