C04B 28/08
Slag cements
C04B28/08 (Slag cements) appears on 466 US grants and 543 published applications in this corpus.
Search patents in C04B- Granted patents
- 466
- Published applications
- 543
- Assignees
- 312
- Inventors
- 1,222
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 28 | 0 |
| 1995 | 16 | 0 |
| 1996 | 12 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 3 |
| 2003 | 9 | 12 |
| 2004 | 5 | 1 |
| 2005 | 2 | 6 |
| 2006 | 2 | 7 |
| 2007 | 3 | 6 |
| 2008 | 4 | 11 |
| 2009 | 5 | 7 |
| 2010 | 5 | 8 |
| 2011 | 4 | 14 |
| 2012 | 11 | 16 |
| 2013 | 10 | 15 |
| 2014 | 15 | 26 |
| 2015 | 20 | 15 |
| 2016 | 16 | 25 |
| 2017 | 15 | 21 |
| 2018 | 18 | 48 |
| 2019 | 27 | 28 |
| 2020 | 36 | 44 |
| 2021 | 29 | 28 |
| 2022 | 27 | 32 |
| 2023 | 15 | 44 |
| 2024 | 24 | 51 |
| 2025 | 24 | 34 |
| 2026 | 32 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Uncharged clay blocking agent6 Oct 2026US 12,753,119 B2BASF SE
- Method for treating soil contaminated with hydrocarbons, in particular with polycyclic aromatic hydrocarbons15 Sep 2026US 12,734,567 B2Amrize Technology Switzerland LLC
- Binder for an agglomeration process8 Sep 2026US 12,729,161 B2Mintek
- Method for accelerating and fluidifying wet concretes or mortars compositions comprising an activating agent, a water reducing polymer, consisting in using performance additive including chaotropic ions and its use in low carbon alternative binder compositions25 Aug 2026US 12,715,814 B2Centre National de la Recherche Scientifique (CNRS)
- Methods to characterize, treat and process biocarbon(s) and combinations thereof as a concrete ingredient replacer and concrete performance enhancer and predictor8 Oct 2026US 2026/0308073 A1
- 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
- Use of recycled aggregates in a method of making compositions to promote marine-life20 Aug 2026US 2026/0242282 A1Partanna Global, Inc.
Most cited
By later US patents
- Universal fluids for drilling and cementing wells220US 5,464,060 AShell Oil Company · 1995
- Solidification of water based muds198US 5,058,679 AShell Oil Company · 1991
- Dilution of drilling fluid in forming cement slurries191US 5,314,022 AShell Oil Company · 1994
- Lightweight well cement compositions and methods181US 5,588,489 AHalliburton Company · 1996
- Drilling and cementing with blast furnace slag/silicate fluid152US 5,361,842 AShell Oil Company · 1994