C04B 2111/2015
Sulfate resistance
Official title: {Sulfate resistance}
C04B2111/2015 (Sulfate resistance) appears on 43 US grants and 44 published applications in this corpus.
Search patents in C04B- Granted patents
- 43
- Published applications
- 44
- Assignees
- 27
- Inventors
- 88
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 2 | 1 |
| 2014 | 2 | 4 |
| 2015 | 2 | 3 |
| 2016 | 3 | 1 |
| 2017 | 3 | 2 |
| 2018 | 3 | 5 |
| 2019 | 5 | 5 |
| 2020 | 4 | 2 |
| 2021 | 2 | 3 |
| 2022 | 3 | 1 |
| 2023 | 2 | 5 |
| 2024 | 2 | 2 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Structure protection sheet, concrete block, and method for manufacturing reinforced structure29 Jul 2025US 12,371,378 B2Keiwa Inc.
- Pozzolanic compositions containing coal ash and remediation agents for use in cementitious materials11 Feb 2025US 12,221,380 B2CR Minerals Company, LLC
- Cement-reduced construction composition14 May 2024US 11,981,606 B2Construction Research & Technology GmbH
- Settable compositions comprising remediated coal ash and methods of cementing in subterranean formations30 Jan 2024US 11,884,589 B2CR Minerals Company, LLC
- Pozzolanic compositions containing coal ash and remediation agents for use in cementitious materials3 Oct 2023US 11,773,018 B2CR Minerals Company, LLC
- Structure Protection Sheet, Concrete Block, and Method for Manufacturing Reinforced Structure30 Oct 2025US 2025/0333360 A1Keiwa Inc.
- Pozzolanic compositions containing coal ash and remediation agents for use in cementitious materials5 Jun 2025US 2025/0178959 A1CR Minerals Company, LLC
- Sulfur-resistant protection system24 Oct 2024US 2024/0351951 A1Saudi Arabian Oil Company
- Cement-reduced construction composition21 Mar 2024US 2024/0092697 A9Construction Research & Technology GmbH
- Pozzolanic compositions containing coal ash and remediation agents for use in cementitious materials28 Dec 2023US 2023/0416146 A1CR Minerals Company, LLC
Most cited
By later US patents
- Froth flotation process and collector composition29US 4,211,644 APennwalt Corporation · 1980
- Engineered Portland cement incorporating SCMs and methods for making same22US 9,102,567 B1Roman Cement, LLC · 2015
- High early strength cement-SCM blends22US 9,272,953 B2Roman Cement, LLC · 2016
- Sulfate and acid resistant concrete and mortar21US 5,772,752 ANew Jersey Institute of Technology · 1998
- Cement composition for alkali-reactive aggregate and for sulphate resistance18US 5,928,420 ALafarge Canada Inc. · 1999