Aluminous cements (monolithic refractories or refractory mortars C04B35/66)

Aluminous cements (monolithic refractories or refractory mortars C04B35/66) · 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 codeC04B28/06
Official titleAluminous cements (monolithic refractories or refractory mortars C04B35/66)
Display labelAluminous cements (monolithic refractories or refractory mortars C04B35/66)
Total patents505

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
201525
201634
201748
201846
201969
202038
202139
202256
202337
202466
202541
20266

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 C04B28/06?
CPC C04B28/06 is the Cooperative Patent Classification code for “Aluminous cements (monolithic refractories or refractory mortars C04B35/66).”
How many patents are filed under CPC C04B28/06 (Aluminous cements (monolithic refractories or refractory mortars C04B35/66))?
Our database includes 505 publications tagged with this CPC code.
Is patent activity under CPC C04B28/06 growing?
Publication counts under this code: 66 in 2024 vs 41 in 2025 (latest complete years).