C11D 3/1253
Layer silicates
Official title: {Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite}
C11D3/1253 (Layer silicates) appears on 474 US grants and 315 published applications in this corpus.
Search patents in C11D- Granted patents
- 474
- Published applications
- 315
- Assignees
- 142
- Inventors
- 1,074
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 10 | 0 |
| 1986 | 9 | 0 |
| 1987 | 7 | 0 |
| 1988 | 13 | 0 |
| 1989 | 27 | 0 |
| 1990 | 9 | 0 |
| 1991 | 11 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 11 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 14 | 0 |
| 1999 | 21 | 0 |
| 2000 | 11 | 0 |
| 2001 | 20 | 4 |
| 2002 | 17 | 36 |
| 2003 | 28 | 29 |
| 2004 | 12 | 15 |
| 2005 | 11 | 19 |
| 2006 | 19 | 11 |
| 2007 | 8 | 12 |
| 2008 | 4 | 15 |
| 2009 | 5 | 21 |
| 2010 | 13 | 12 |
| 2011 | 10 | 10 |
| 2012 | 9 | 8 |
| 2013 | 3 | 9 |
| 2014 | 7 | 11 |
| 2015 | 5 | 6 |
| 2016 | 2 | 16 |
| 2017 | 13 | 16 |
| 2018 | 7 | 9 |
| 2019 | 4 | 9 |
| 2020 | 9 | 7 |
| 2021 | 10 | 8 |
| 2022 | 8 | 6 |
| 2023 | 6 | 8 |
| 2024 | 1 | 6 |
| 2025 | 5 | 8 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tank cleansing of auxinic herbicides comprising an activated charcoal/bentonite mixture29 Sep 2026US 12,747,414 B2Icl America Do Sul S.A.
- Solid cleansing compositions and methods for the same7 Jul 2026US 12,674,115 B2Colgate-Palmolive Company
- Dryer sheet and process of making17 Mar 2026US 12,577,510 B2The Procter & Gamble Company
- Powders and granules and process for making such powders and granules10 Feb 2026US 12,545,868 B2BASF SE
- Detergent tablet comprising a plant polysaccharide and anionic/nonionic surfactant mixture3 Feb 2026US 12,540,294 B1Guangzhou Joyson Cleaning Products Co., Ltd.
- Opacifying compositions for cleaning formulations23 Jul 2026US 2026/0209635 A1
- Cleaning foaming tablet and manufacturing method thereof18 Jun 2026US 2026/0167894 A1Ft International Co., Ltd.
- Antimicrobial nanoclays comprising cationic antimicrobials, method of preparation and uses thereof28 May 2026US 2026/0144251 A1Polyamyna Nanotech Inc.
- Fabric softener compositions and processes for using same1 Jan 2026US 2026/0002095 A1
- Tank Cleansing of Auxinic Herbicides4 Sep 2025US 2025/0277168 A1Icl America Do Sul S.A.
Most cited
By later US patents
- Method of applying nanoparticles381US 6,645,569 B2The Procter & Gamble Company · 2003
- Coating compositions for modifying surfaces330US 7,112,621 B2The Proctor & Gamble Company · 2006
- Method of hydrophilizing materials294US 6,863,933 B2The Procter & Gamble Company · 2005
- Use of crystalline layered sodium silicates for softening water and a process for softening water187US 4,664,839 AHoechst Aktiengesellschaft · 1987
- Washing and cleaning agent containing surfactants, builder, and crystalline layered sodium silicate140US 4,820,439 AHoechst Aktiengesellschaft · 1989