B01J 2531/31
Aluminium
B01J2531/31 (Aluminium) appears on 161 US grants and 185 published applications in this corpus.
Search patents in B01J- Granted patents
- 161
- Published applications
- 185
- Assignees
- 129
- Inventors
- 500
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 0 |
| 2003 | 3 | 6 |
| 2004 | 2 | 3 |
| 2005 | 5 | 5 |
| 2006 | 2 | 5 |
| 2007 | 2 | 5 |
| 2008 | 1 | 6 |
| 2009 | 2 | 6 |
| 2010 | 8 | 10 |
| 2011 | 0 | 7 |
| 2012 | 6 | 7 |
| 2013 | 9 | 9 |
| 2014 | 5 | 5 |
| 2015 | 9 | 10 |
| 2016 | 10 | 7 |
| 2017 | 10 | 17 |
| 2018 | 6 | 5 |
| 2019 | 8 | 18 |
| 2020 | 13 | 14 |
| 2021 | 9 | 10 |
| 2022 | 5 | 9 |
| 2023 | 7 | 5 |
| 2024 | 2 | 3 |
| 2025 | 5 | 9 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for preparing polypropylene carbonate30 Jun 2026US 12,668,661 B2ENI S. p. A.
- Selective terminal CH alumination of saturated hydrocarbons12 May 2026US 12,623,985 B2Cornell University
- Alkyl aluminum catalyst deactivation with water and solids removal via filtration24 Mar 2026US 12,583,806 B2Chevron Phillips Chemical Company LP
- Enzymes and metal-organic frameworks (MOFs)30 Dec 2025US 12,508,581 B2BASF SE
- Catalysts for synthesizing cyclic carbonates, preparation methods and uses thereof23 Dec 2025US 12,502,661 B2Anhui Conch Material Technology Co., Ltd.
- Ziegler-natta catalyst for ethylene polymerization and method for preparing same24 Sep 2026US 2026/0286017 A1Hanwha Solutions Corporation
- Novel Carbonylation Catalysts And Methods Of Making The Same7 May 2026US 2026/0125402 A1Novomer, Inc.
- Catalyst composition for olefin oligomerization5 Mar 2026US 2026/0061408 A1Industrial Technology Research Institute
- Ruthenium catalysts and methods thereof8 Jan 2026US 2026/0008037 A1The Regents of the University of California
- Phenoxy-amidine ligands and complexes4 Dec 2025US 2025/0368663 A1Centre National De La Recherche Scientifique
Most cited
By later US patents
- Metal nanocrystals and synthesis thereof117US 6,645,444 B2Nanospin Solutions · 2003
- Catalytic carbonylation of three and four membered heterocycles68US 6,852,865 B2Cornell Research Foundation, Inc. · 2005
- Catalytic carbonylation catalysts and methods55US 9,327,280 B2Novomer, Inc. · 2016
- Process for the production of acid anhydrides from epoxides43US 9,403,788 B2Novomer, Inc. · 2016
- Catalytic carbonylation catalysts and methods36US 10,221,278 B2Novomer, Inc. · 2019