B01J 29/049
Pillared clays
Official title: {Pillared clays}
B01J29/049 (Pillared clays) appears on 236 US grants and 56 published applications in this corpus.
Search patents in B01J- Granted patents
- 236
- Published applications
- 56
- Assignees
- 104
- Inventors
- 409
- Latest grant
- 5 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 11 | 0 |
| 1988 | 11 | 0 |
| 1989 | 10 | 0 |
| 1990 | 15 | 0 |
| 1991 | 17 | 0 |
| 1992 | 12 | 0 |
| 1993 | 16 | 0 |
| 1994 | 25 | 0 |
| 1995 | 10 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 7 | 0 |
| 2003 | 4 | 4 |
| 2004 | 4 | 3 |
| 2005 | 1 | 3 |
| 2006 | 1 | 4 |
| 2007 | 2 | 2 |
| 2008 | 2 | 1 |
| 2009 | 3 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 6 |
| 2013 | 1 | 4 |
| 2014 | 2 | 0 |
| 2015 | 2 | 3 |
| 2016 | 1 | 3 |
| 2017 | 2 | 3 |
| 2018 | 2 | 5 |
| 2019 | 3 | 4 |
| 2020 | 4 | 2 |
| 2021 | 2 | 1 |
| 2022 | 3 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Catalyst for oxidising ammonia5 Dec 2023US RE49,743 E1
- Selective catalytic reduction catalyst composition7 Feb 2023US 11,571,682 B2
- Desulfurization catalyst, its production and application thereof3 May 2022US 11,318,444 B2China Petroleum & Chemical Corporation
- Catalytic converter5 Apr 2022US 11,291,975 B2Johnson Matthey Public Limited Company
- Fuel filter with organoclay, cleaning cartridge with organoclay, and use15 Mar 2022US 11,273,398 B2Mann+Hummel GmbH
- Method for producing guerbet alcohol16 Jan 2025US 2025/0019329 A1Kao Corporation
- Depolymerization catalyst system and process11 Jul 2024US 2024/0228405 A9Basell Poliolefine Italia S.r.l.
- Depolymerization catalyst system and process25 Apr 2024US 2024/0132425 A1Basell Poliolefine Italia S.r.l.
- Selective catalytic reduction catalyst composition14 Jan 2021US 2021/0008524 A1Johnson Matthey Catalysts (Germany) GMBH
- Desulfurization catalyst, its production and application thereof10 Sep 2020US 2020/0282381 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Crystalline oxide material205US 5,250,277 AMobil Oil Corporation · 1993
- Pillared interlayered clay materials useful as catalysts and sorbents135US 4,176,090 AW. R. Grace & Co. · 1979
- Chromium ribbon-like silicate clay A-olefin catalysts130US 5,376,611 APhillips Petroleum Company · 1994
- Catalyst comprising a hydrogenation metal and a delaminated layered silicate92US 5,137,861 AMobil Oil Corporation · 1992
- Stabilized pillared interlayered clays86US 4,248,739 AW. R. Grace & Co. · 1981