C04B 18/0409
Waste from the purification of bauxite
Official title: {Waste from the purification of bauxite, e.g. red mud}
C04B18/0409 (Waste from the purification of bauxite) appears on 22 US grants and 29 published applications in this corpus.
Search patents in C04B- Granted patents
- 22
- Published applications
- 29
- Assignees
- 26
- Inventors
- 109
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 4 |
| 2018 | 4 | 1 |
| 2019 | 1 | 1 |
| 2020 | 2 | 4 |
| 2021 | 4 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 3 | 0 |
| 2025 | 2 | 2 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods of repairing casings using a red mud sealant composition25 Aug 2026US 12,715,811 B2Saudi Arabian Oil Company
- Radiation shielding red mud based hybrid composite panel and process for preparing the same16 Dec 2025US 12,500,007 B2Council of Scientific and Industrial Research An Indian Registered Body Incorporated Under the Regn. of Soc. Act (Act Xxi of 1860)
- Alkali-activated cement composition21 Oct 2025US 12,448,333 B2King Fahd University of Petroleum and Minerals
- Red mud utilization method based on co-processing of industrial exhaust gas, sewage treatment and environment-friendly and high performance civil functional material24 Dec 2024US 12,172,929 B2Shandong University
- Non-sintered high-strength lightweight aggregate one-shot prepared from sulfur-based and alkaline-based solid wastes by stirring, granulation, foaming, preparation method therefor and use thereof15 Oct 2024US 12,116,313 B1Hubei Changyao New Materials Co., Ltd.
- Heavy-metal-reduced post-industrial waste in cementitious materials and methods of making and using thereof27 Aug 2026US 2026/0250194 A1William Marsh Rice University
- Process for preparing red mud cement and concrete compositions comprising the red mud cement23 Jul 2026US 2026/0209593 A1St Loarn Group Limited
- Methods of repairing casings using a red mud sealant composition9 Jul 2026US 2026/0193133 A1Saudi Arabian Oil Company
- Methods of servicing a wellbore using a red mud sealant composition9 Jul 2026US 2026/0193518 A1Saudi Arabian Oil Company
- Methods of reducing circulation loss in a wellbore using a red mud sealant composition9 Jul 2026US 2026/0193521 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Processed silica as a natural pozzolan for use as a cementitious component in concrete and concrete products56US 5,554,352 AConstruction Material Resources · 1996
- Process for the utilization in the ceramics industry of red mud from alumina plants8US 4,368,273 AChemokomplex Vegyipari Gep-es Berendezes Export-Import Vallalat · 1983
- Red mud treatment5US 4,146,573 ANalco Chemical Company · 1979
- Lost circulation materials comprising red mud2US 10,633,940 B2Halliburton Energy Services.Inc. · 2020
- Extended-life cement compositions comprising red mud solids1US 10,087,359 B2Halliburton Energy Services.Inc. · 2018