B01J 31/14
Of aluminium or boron
Official title: of aluminium or boron
B01J31/14 (Of aluminium or boron) appears on 1,171 US grants and 834 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,171
- Published applications
- 834
- Assignees
- 363
- Inventors
- 2,141
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 12 | 0 |
| 1978 | 23 | 0 |
| 1979 | 13 | 0 |
| 1980 | 12 | 0 |
| 1981 | 10 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 10 | 0 |
| 1992 | 12 | 0 |
| 1993 | 7 | 0 |
| 1994 | 17 | 0 |
| 1995 | 26 | 0 |
| 1996 | 28 | 0 |
| 1997 | 28 | 0 |
| 1998 | 36 | 0 |
| 1999 | 33 | 0 |
| 2000 | 43 | 0 |
| 2001 | 55 | 16 |
| 2002 | 63 | 30 |
| 2003 | 29 | 30 |
| 2004 | 24 | 34 |
| 2005 | 32 | 54 |
| 2006 | 29 | 21 |
| 2007 | 32 | 31 |
| 2008 | 19 | 29 |
| 2009 | 18 | 32 |
| 2010 | 21 | 40 |
| 2011 | 26 | 38 |
| 2012 | 22 | 24 |
| 2013 | 27 | 26 |
| 2014 | 20 | 25 |
| 2015 | 24 | 36 |
| 2016 | 36 | 42 |
| 2017 | 36 | 46 |
| 2018 | 33 | 45 |
| 2019 | 46 | 48 |
| 2020 | 42 | 39 |
| 2021 | 43 | 31 |
| 2022 | 35 | 37 |
| 2023 | 24 | 24 |
| 2024 | 20 | 24 |
| 2025 | 19 | 22 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for the production of stable polyoxymethylene copolymers (cPOM)22 Sep 2026US 12,742,033 B2BASF SE
- 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
- Borate compound-containing composition17 Mar 2026US 12,577,264 B2AGC Inc.
- Borate compound-containing composition17 Mar 2026US 12,577,328 B2AGC Inc.
- Bulky and small-steric-hindrance ligand and use thereof17 Sep 2026US 2026/0273518 A1Dg Hc Optical Co., Ltd
- Ligand Compound, Organic Chromium Compound, and Catalyst Compositions Containing the Same3 Sep 2026US 2026/0257213 A1LG Chem.Ltd.
- Ethylene oligomerization method with reduced polymer generation and improved productivity6 Aug 2026US 2026/0225976 A1
- Novel borate compound soluble in aliphatic hydrocarbon solvent16 Jul 2026US 2026/0200951 A1AGC Inc.
- Reduction of triphenylphosphine oxide with specific catalyst16 Jul 2026US 2026/0200960 A1Dsm IP Assets B.V.
Most cited
By later US patents
- Catalyst system of enhanced productivity544US 5,153,157 AExxon Chemical Patents Inc. · 1992
- Compositions that can produce polymers334US 6,300,271 B1Phillips Petroleum Company · 2001
- Organometal catalyst compositions329US 6,355,594 B1Phillips Petroleum Company · 2002
- Organometal catalyst compositions300US 6,376,415 B1Phillips Petroleum Company · 2002
- Silica-coated alumina activator-supports for metallocene catalyst compositions292US 7,884,163 B2Chevron Phillips Chemical Company LP · 2011