C01B 33/44
Products obtained from layered base-exchange silicates by ion-exchange with organic compounds such
Official title: Products obtained from layered base-exchange silicates by ion-exchange with organic compounds such as ammonium, phosphonium or sulfonium compounds or by intercalation of organic compounds, e.g. organoclay material
C01B33/44 (Products obtained from layered base-exchange silicates by ion-exchange with organic compounds such) appears on 253 US grants and 143 published applications in this corpus.
Search patents in C01B- Granted patents
- 253
- Published applications
- 143
- Assignees
- 148
- Inventors
- 582
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 9 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 11 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 15 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 1 |
| 2002 | 7 | 3 |
| 2003 | 6 | 4 |
| 2004 | 5 | 10 |
| 2005 | 1 | 7 |
| 2006 | 4 | 11 |
| 2007 | 3 | 14 |
| 2008 | 6 | 6 |
| 2009 | 4 | 17 |
| 2010 | 4 | 12 |
| 2011 | 9 | 9 |
| 2012 | 3 | 7 |
| 2013 | 5 | 5 |
| 2014 | 5 | 5 |
| 2015 | 5 | 1 |
| 2016 | 3 | 3 |
| 2017 | 5 | 2 |
| 2018 | 2 | 3 |
| 2019 | 1 | 3 |
| 2020 | 0 | 6 |
| 2021 | 3 | 3 |
| 2022 | 5 | 4 |
| 2023 | 2 | 2 |
| 2024 | 4 | 3 |
| 2025 | 1 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multifunctional fluorescent polymer-clay composite tracers22 Sep 2026US 12,742,381 B2Saudi Arabian Oil Company
- Sheet silicate lamellae with a high aspect ratio14 Apr 2026US 12,600,640 B2BYK-Chemie GmbH
- Layered silicate partially modified with amino acid5 Aug 2025US 12,378,129 B2BYK-Chemie GmbH
- Exfoliated layer dispersion of layered compound, and transparent substrate using same17 Sep 2024US 12,091,555 B2Nissan Chemical Corporation
- Method of producing layered silicate, and application thereof in production of silica nanosheet and so on4 Jun 2024US 11,999,625 B2Nissan Chemical Corporation
- Functionalized exfoliated nanoclay4 Sep 2025US 2025/0276910 A1Kaneka Americas Holding, Inc.
- Modified layered silicate novel barrier and shielding pigment and method thereof24 Apr 2025US 2025/0129253 A1Zhejiang Fenghong New Materials Co., Ltd
- Functionalized exfoliated nanoclay7 Nov 2024US 2024/0367992 A1Kaneka Americas Holding, Inc.
- Layered silicate partially modified with amino acid4 Jul 2024US 2024/0217829 A1BYK-Chemie GmbH
- Method of producing layered silicate, and application thereof in production of silica nanosheet and so on15 Feb 2024US 2024/0051834 A1Nissan Chemical Corporation
Most cited
By later US patents
- Composite material containing a layered silicate205US 4,889,885 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1989
- Intercalates and exfoliates formed with oligomers and polymers and composite materials containing same162US 5,552,469 AAMCOL International Corporation · 1996
- Intercalates; exfoliates; process for manufacturing intercalates and exfoliates and composite materials containing same116US 5,578,672 AAMCOL International Corporation · 1996
- Organophilic clay complexes, their preparation and compositions comprising said complexes92US 4,412,018 ANL Industries, Inc. · 1983
- Organophilic clay having enhanced dispersibility89US 4,105,578 AN L Industries, Inc. · 1978