Surface retarder formulation and method for replicating an acid etch or sand blast aspect on cementitious material
US-2025091963-A1 · Mar 20, 2025 · US
This page is not indexed by search engines while we improve data quality.
involving the removal of part of the materials of the treated articles, e.g. etching
involving the removal of part of the materials of the treated articles, e.g. etching · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B41/72 |
| Official title | involving the removal of part of the materials of the treated articles, e.g. etching |
| Display label | involving the removal of part of the materials of the treated articles, e.g. etching |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 3 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Surface retarder formulation and method for replicating an acid etch or sand blast aspect on cementitious material
US-12187653-B2 · Jan 7, 2025 · US
Waterproofing system
US-12054425-B2 · Aug 6, 2024 · US
Modified acid compositions as alternatives to conventional acids in the oil and gas industry
US-11920081-B2 · Mar 5, 2024 · US
Modified acid compositions as alternatives to conventional acids in the oil and gas industry
US-11912929-B2 · Feb 27, 2024 · US
Modified acid compositions as alternatives to conventional acids in the oil and gas industry
US-11879092-B2 · Jan 23, 2024 · US
Waterproofing system
US-2023150875-A1 · May 18, 2023 · US
Waterproofing system
US-11597684-B2 · Mar 7, 2023 · US
Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry
US-2021253936-A1 · Aug 19, 2021 · US
Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry
US-2021207017-A1 · Jul 8, 2021 · US
Surface retarder formulation and method for replicating an acid etch or sand blast aspect on cementitious material
US-2021061721-A1 · Mar 4, 2021 · US
Modified acid compositions as alternatives to conventional acids in the oil and gas industry
US-10822535-B2 · Nov 3, 2020 · US
A waterproofing system
US-2020181018-A1 · Jun 11, 2020 · US
Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry
US-2020165508-A1 · May 28, 2020 · US
Encapsulated polymer nanocomposite for efficient crack repair and monitoring of cement, rock, and other brittle materials
US-10370305-B1 · Aug 6, 2019 · US
Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry
US-2019040298-A1 · Feb 7, 2019 · US
Composition and method for obtaining exposed aggregates in surfaces of moulded concrete and other cementitious materials
US-9969102-B2 · May 15, 2018 · US
Method of repairing steel reinforced concrete structure affected by chloride induced corrosion
US-9969656-B2 · May 15, 2018 · US
Synthetic acid compositions and uses thereof
US-2017101350-A1 · Apr 13, 2017 · US
Method of repairing steel reinforced concrete structure affected by chloride induced corrosion
US-2016159700-A1 · Jun 9, 2016 · US