C04B 7/323
Calcium aluminosulfate cements
Official title: {Calcium aluminosulfate cements, e.g. cements hydrating into ettringite}
C04B7/323 (Calcium aluminosulfate cements) appears on 81 US grants and 109 published applications in this corpus.
Search patents in C04B- Granted patents
- 81
- Published applications
- 109
- Assignees
- 77
- Inventors
- 284
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 3 |
| 2012 | 2 | 6 |
| 2013 | 4 | 5 |
| 2014 | 4 | 9 |
| 2015 | 7 | 5 |
| 2016 | 6 | 7 |
| 2017 | 2 | 2 |
| 2018 | 0 | 5 |
| 2019 | 3 | 4 |
| 2020 | 0 | 3 |
| 2021 | 4 | 5 |
| 2022 | 2 | 12 |
| 2023 | 0 | 8 |
| 2024 | 5 | 13 |
| 2025 | 6 | 7 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cementitious materials including a luminescent compound for printing 3-dimensional structures14 Jul 2026US 12,680,289 B2Sika Technology AG
- Slag-based hydraulic binder, dry mortar composition comprising same and system for activating a slag-based binder23 Jun 2026US 12,662,421 B2Sika Technology AG
- Color-adjustable repairing agent and preparation method therefor, and concrete containing repairing agent23 Jun 2026US 12,662,422 B2Southeast University
- Use of a hydraulic binder containing calcium aluminate for the production of a construction material12 May 2026US 12,623,963 B2ARDEX Group GmbH
- System and method for sealing a well using controlled hydration expansion of a smectite-containing clay mineral14 Apr 2026US 12,600,895 B2
- Cementitous compositions for reducing efflorescence8 Oct 2026US 2026/0308051 A1Tremco Cpg Inc.
- Highly absorbant mineral sponge17 Sep 2026US 2026/0274759 A1Amrize Technology Switerland LLC
- Calcium sulfoaluminate (csa) cement clinker with calcium magnesium silicate2 Jul 2026US 2026/0184630 A1
- Inorganic nano-composite thermal insulation material and method of manufacture18 Jun 2026US 2026/0167565 A1Liatris, Inc.
- Novel precast masonry units with co2 curing using alternative cementitious materials2 Apr 2026US 2026/0092006 A1Texas State University
Most cited
By later US patents
- Alkali activated supersulphated binder123US 6,409,819 B1International Mineral Technology AG · 2002
- High early strength cement87US 4,350,533 AUnited States Gypsum Company · 1982
- Activated aluminosilicate binder74US 6,572,698 B1International Mineral Technology AG · 2003
- Non-expansive, rapid setting cement64US 4,488,909 AUnited States Gypsum Company · 1984
- Methods of making cementitious compositions from waste products39US 4,756,761 AO'Okiep Copper Company Limited · 1988