C04B 28/082
Steelmaking slags
Official title: {Steelmaking slags; Converter slags}
C04B28/082 (Steelmaking slags) appears on 55 US grants and 92 published applications in this corpus.
Search patents in C04B- Granted patents
- 55
- Published applications
- 92
- Assignees
- 77
- Inventors
- 233
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 3 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 4 |
| 2018 | 2 | 1 |
| 2019 | 2 | 2 |
| 2020 | 3 | 7 |
| 2021 | 4 | 10 |
| 2022 | 5 | 7 |
| 2023 | 3 | 11 |
| 2024 | 9 | 20 |
| 2025 | 7 | 7 |
| 2026 | 14 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low-cost four-element system cementitious material, preparation method and application thereof6 Oct 2026US 12,753,115 B2University of Science and Technology Beijing
- Binder for an agglomeration process8 Sep 2026US 12,729,161 B2Mintek
- Hydraulic binder with low carbon footprint and high early strength18 Aug 2026US 12,709,575 B2ImerTech SAS
- Cementitious binders for geopolymer, geopolymers, and uses thereof4 Aug 2026US 12,698,236 B2Sika Technology AG
- Binder composition comprising pozzolanic material and fine filler21 Jul 2026US 12,686,638 B2Centre National de la Recherche Scientifique (CNRS)
- Activation of mineral binders comprising steelmaking slag and building materials comprising them1 Oct 2026US 2026/0296974 A1Sika Technology AG
- Methods using slag to provide supplementary cementing material and co2 sequestration1 Oct 2026US 2026/0296975 A1Nucor Corporation
- Method for improving workability of inorganic binder composition, and inorganic binder composition24 Sep 2026US 2026/0285759 A1Sika Technology AG
- Novel ladle slag-based composition13 Aug 2026US 2026/0234054 A1Kerakoll S.P.A.
- Accelerator for shotcrete formulation, shotcrete formulations and method for making same13 Aug 2026US 2026/0234056 A1Ecocem Materials Limited
Most cited
By later US patents
- Slag cement14US 7,491,268 B2Slagcem LLC · 2009
- Treatment of steel mill waste for recycling11US 5,439,505 A1995
- Carbonate-bonded construction products from steel-making residues and method for making the same6US 10,112,871 B2The Royal Institution for the Advancement of Learning/Mcgill University · 2018
- Use of mineral fines to reduce clinker content of cementitious compositions6US 11,168,029 B2Roman Cement, LLC · 2021
- Heavy weight concrete composition using slag byproducts5US 8,221,541 B2Korea Railroad Research Institute · 2012