C04B 22/148
Aluminium-sulfate
Official title: {Aluminium-sulfate}
C04B22/148 (Aluminium-sulfate) appears on 29 US grants and 39 published applications in this corpus.
Search patents in C04B- Granted patents
- 29
- Published applications
- 39
- Assignees
- 31
- Inventors
- 132
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 3 |
| 2019 | 0 | 4 |
| 2020 | 3 | 4 |
| 2021 | 1 | 1 |
| 2022 | 4 | 6 |
| 2023 | 3 | 5 |
| 2024 | 2 | 4 |
| 2025 | 4 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shotcrete composition27 Jan 2026US 12,534,405 B2Construction Research & Technology GmbH
- Reactive grinding aids and strength-enhancing agents for slag and other materials5 Aug 2025US 12,378,158 B1Verdment Brazil Ltda.
- Aluminum sulfate suspensions with reduced viscosity24 Jun 2025US 12,338,174 B2Sika Technology AG
- Method for producing a composite insulating mineral construction element20 May 2025US 12,304,872 B2Holcim Technology Ltd
- Filler made from sorted waste materials for the production of cement-bound shaped bodies11 Mar 2025US 12,246,990 B2Terion, Inc.
- Accelerator for shotcrete formulation, shotcrete formulations and method for making same13 Aug 2026US 2026/0234056 A1Ecocem Materials Limited
- Method for preparing early-strength liquid accelerator free of alkali, chlorine, fluorine30 Apr 2026US 2026/0116820 A1Central South University
- Concrete for 3d printing of walls and other architectural applications29 May 2025US 2025/0170749 A1Cementos Argos S.A.
- Mineral binder composition for 3d printing27 Feb 2025US 2025/0066251 A1Sika Technology AG
- Rapid setting, water durable binder composition16 Jan 2025US 2025/0019307 A1United States Gypsum Company
Most cited
By later US patents
- Preparation of concrete accelerator18US 6,692,564 B2MBT Schweiz AG · 2004
- Solidifying and hardening accelerator for hydraulic binders17US 6,302,954 B1BK Giulini Chemie GmbH · 2001
- Use of basic aluminium sulphates as low-alkali set accelerators for cement7US 5,660,625 AGiulini Chemie GmbH · 1997
- Actuator with approach pre-stroke and working stroke for operating a tool6US 6,474,215 B1The Aro Corporation · 2002
- Stabilized solidification and setting accelerator for hydraulic binders5US 9,834,478 B2Sika Technology AG · 2017