B01J 2531/30
Complexes comprising metals of group iii as the central metal
Official title: Complexes comprising metals of Group III (IIIA or IIIB) as the central metal
B01J2531/30 (Complexes comprising metals of group iii as the central metal) appears on 400 US grants and 340 published applications in this corpus.
Search patents in B01J- Granted patents
- 400
- Published applications
- 340
- Assignees
- 257
- Inventors
- 1,009
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 17 | 0 |
| 2001 | 17 | 5 |
| 2002 | 22 | 7 |
| 2003 | 14 | 13 |
| 2004 | 12 | 16 |
| 2005 | 12 | 13 |
| 2006 | 5 | 8 |
| 2007 | 6 | 12 |
| 2008 | 3 | 10 |
| 2009 | 6 | 9 |
| 2010 | 8 | 17 |
| 2011 | 5 | 14 |
| 2012 | 9 | 7 |
| 2013 | 14 | 13 |
| 2014 | 11 | 10 |
| 2015 | 11 | 14 |
| 2016 | 14 | 13 |
| 2017 | 12 | 19 |
| 2018 | 9 | 10 |
| 2019 | 14 | 30 |
| 2020 | 18 | 23 |
| 2021 | 20 | 19 |
| 2022 | 11 | 16 |
| 2023 | 14 | 9 |
| 2024 | 8 | 12 |
| 2025 | 9 | 14 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 2531/31AluminiumIndexing code161
- B01J 2531/38Lanthanides other than lanthanumIndexing code143
- B01J 2531/37LanthanumIndexing code57
- B01J 2531/35ScandiumIndexing code40
- B01J 2531/36YttriumIndexing code40
- B01J 2531/39ActinidesIndexing code28
- B01J 2531/33IndiumIndexing code21
- B01J 2531/32GalliumIndexing code20
All 9 subgroupsShow fewer
Recent patents
- Method for carrying out reaction of isatin compound and cyclopropenone compound at low catalytic amount22 Sep 2026US 12,741,972 B2Soochow University
- 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
- Ziegler-natta catalyst for ethylene polymerization and method for preparing same24 Sep 2026US 2026/0286017 A1Hanwha Solutions Corporation
- Catalysts for room temperature vulcanisable (rtv) silicone compositions17 Sep 2026US 2026/0273517 A1
- Novel Carbonylation Catalysts And Methods Of Making The Same7 May 2026US 2026/0125402 A1Novomer, Inc.
- Catalysts and processes for stereoselective ring-opening polymerization23 Apr 2026US 2026/0108869 A1Technische Universität München
- Catalyst composition for olefin oligomerization5 Mar 2026US 2026/0061408 A1Industrial Technology Research Institute
Most cited
By later US patents
- Method of expanded porphyrin-oligonucleotide conjugate synthesis325US 5,565,552 ABoard of Regents, Univ. of Texas Sys. · 1996
- Texaphyrin-oligonucleotide conjugates308US 5,587,371 ABoard of Trustees, Univ. of TX Sys. · 1996
- Chromophore probe for detection of nucleic acid221US 5,595,726 ABoard of Trustees, Univ. of TX Sys. · 1997
- Metallocenes and processes therefor and therewith148US 5,399,636 APhillips Petroleum Company · 1995
- Metal nanocrystals and synthesis thereof117US 6,645,444 B2Nanospin Solutions · 2003