C01B 33/405
Not containing aluminium
Official title: {not containing aluminium}
C01B33/405 (Not containing aluminium) appears on 29 US grants and 24 published applications in this corpus.
Search patents in C01B- Granted patents
- 29
- Published applications
- 24
- Assignees
- 31
- Inventors
- 102
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 5 |
| 2020 | 1 | 0 |
| 2021 | 2 | 6 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 4 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Synthesis of hectorite-type mineral24 Jun 2025US 12,338,129 B2Imerys USA, Inc.
- Clay nanoparticles for medical use16 Jul 2024US 12,036,328 B1Renovos Biologics Limited
- Synthetic functionalized additives, methods of synthesizing, and methods of use27 Feb 2024US 11,912,926 B2Saudi Arabian Oil Company
- Process for delamination of layered silicates20 Feb 2024US 11,905,418 B2BYK-Chemie GmbH
- Process for delamination of layered silicates20 Feb 2024US 11,905,419 B2BYK-Chemie GmbH
- Clay nanoparticles for medical use30 Jul 2026US 2026/0216338 A1Renovos Biologics Limited
- Layered material delaminating in polar solvents19 Sep 2024US 2024/0308859 A1BYK-Chemie GmbH
- Clay nanoparticles for medical use4 Jul 2024US 2024/0216287 A1Renovos Biologics Limited
- Synthetic functionalized additives, methods of synthesizing, and methods of use28 Jul 2022US 2022/0235257 A1Saudi Arabian Oil Company
- Synthesis of hectorite-type mineral10 Feb 2022US 2022/0041458 A1Imerys USA, Inc.
Most cited
By later US patents
- Layered silicates of limited swelling power, a process for their production and their use in detergents and cleaning preparations52US 4,737,306 AKenkel Kommanditgesellschaft auf Aktien · 1988
- Hydrogen enriched water swellable clay having reduced acid demand and stable at low pH42US 4,514,510 AAmerican Colloid Company · 1985
- Process for synthesizing compositions containing smectite-type clays and gellants produced thereby25US 4,054,537 AN L Industries, Inc. · 1977
- Synthesized gellants containing smectite-type clay and process for producing same23US 4,040,974 AN L Industries, Inc. · 1977
- Sol of ultra-fine particles of synthetic hectorite21US 3,936,383 A1976