B01J 20/08
Comprising aluminium oxide or hydroxide
Official title: comprising aluminium oxide or hydroxide; comprising bauxite
B01J20/08 (Comprising aluminium oxide or hydroxide) appears on 1,293 US grants and 1,377 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,293
- Published applications
- 1,377
- Assignees
- 769
- Inventors
- 3,447
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 14 | 0 |
| 1978 | 11 | 0 |
| 1979 | 8 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 9 | 0 |
| 1985 | 9 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 13 | 0 |
| 1990 | 14 | 0 |
| 1991 | 13 | 0 |
| 1992 | 20 | 0 |
| 1993 | 27 | 0 |
| 1994 | 21 | 0 |
| 1995 | 16 | 0 |
| 1996 | 12 | 0 |
| 1997 | 10 | 0 |
| 1998 | 18 | 0 |
| 1999 | 23 | 0 |
| 2000 | 24 | 0 |
| 2001 | 18 | 4 |
| 2002 | 25 | 36 |
| 2003 | 31 | 58 |
| 2004 | 22 | 41 |
| 2005 | 19 | 51 |
| 2006 | 30 | 42 |
| 2007 | 24 | 33 |
| 2008 | 25 | 43 |
| 2009 | 24 | 52 |
| 2010 | 28 | 72 |
| 2011 | 33 | 53 |
| 2012 | 54 | 41 |
| 2013 | 36 | 63 |
| 2014 | 44 | 51 |
| 2015 | 39 | 62 |
| 2016 | 42 | 58 |
| 2017 | 43 | 75 |
| 2018 | 55 | 74 |
| 2019 | 60 | 54 |
| 2020 | 52 | 66 |
| 2021 | 44 | 52 |
| 2022 | 42 | 54 |
| 2023 | 46 | 77 |
| 2024 | 44 | 56 |
| 2025 | 57 | 72 |
| 2026 | 36 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Supported poly(allyl)amine and derivatives for co2 capture from flue gas or ultra-dilute gas streams such as ambient air or admixtures thereof24 Sep 2026US 2026/0284637 A1Georgia Tech Research Corporation
- Separation and purification of chemicals using ion-exchange resins17 Sep 2026US 2026/0273519 A1Materials Engineering and Technical Support Services
- Process for recovery of lithium from brine3 Sep 2026US 2026/0257931 A1Aquatech International Corporation
- Composite material for remedying soils with contamination of heavy metals and method therefor20 Aug 2026US 2026/0241363 A1Beijing University of Chemical Technology
Most cited
By later US patents
- Process for removing mercury from a gas or a liquid by absorption on a copper sulfide containing solid mass253US 4,094,777 AInstitut Francais du Petrole · 1978
- Sodium zirconium carbonate and zirconium basic carbonate and methods of making the same194US 6,627,164 B1Renal Solutions, Inc. · 2003
- High performance liquid chromatography method and apparatus193US 5,919,368 ACohesive Technologies, Inc. · 1999
- Composition of synthetic porous crystalline material, its synthesis183US 5,102,643 AMobil Oil Corporation · 1992
- Zirconium phosphate and method of making the same179US 6,818,196 B2Renal Solutions, Inc. · 2004