B01J 31/1608
The ligands containing silicon
Official title: {the ligands containing silicon}
B01J31/1608 (The ligands containing silicon) appears on 239 US grants and 188 published applications in this corpus.
Search patents in B01J- Granted patents
- 239
- Published applications
- 188
- Assignees
- 146
- Inventors
- 623
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 10 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 13 | 2 |
| 2002 | 19 | 13 |
| 2003 | 11 | 13 |
| 2004 | 7 | 6 |
| 2005 | 5 | 4 |
| 2006 | 7 | 10 |
| 2007 | 6 | 3 |
| 2008 | 3 | 3 |
| 2009 | 5 | 4 |
| 2010 | 4 | 6 |
| 2011 | 1 | 2 |
| 2012 | 3 | 4 |
| 2013 | 6 | 5 |
| 2014 | 2 | 4 |
| 2015 | 5 | 6 |
| 2016 | 7 | 14 |
| 2017 | 6 | 13 |
| 2018 | 8 | 11 |
| 2019 | 16 | 14 |
| 2020 | 7 | 7 |
| 2021 | 10 | 13 |
| 2022 | 9 | 3 |
| 2023 | 7 | 8 |
| 2024 | 4 | 9 |
| 2025 | 0 | 7 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Propylene oxide production apparatus and propylene oxide production method25 Aug 2026US 12,714,977 B2Sumitomo Chemical Company, Limited
- Topical skin closure compositions and systems17 Mar 2026US 12,577,400 B2Ethicon, Inc.
- Alkylation of transition metal coordination catalyst complexes20 Jan 2026US 12,528,892 B2ExxonMobil Chemical Patents Inc.
- Antimicrobial anhydrous topical skin closure compositions and systems20 Jan 2026US 12,528,913 B2Ethicon, Inc.
- Metal-metal bonded ammonia oxidation catalysts6 Jan 2026US 12,515,207 B2Wisconsin Alumni Research Foundation
- Process and catalyst composition for preparing organosilicon compounds via isomerization of internal olefins and hydrosilylation6 Aug 2026US 2026/0226081 A1Dow Silicones Corporation
- Catalysts for Olefin Metathesis, Methods of Preparation, and Processes for the Use Thereof11 Jun 2026US 2026/0158480 A1
- Cyclic biaryl phosphines as ligands for palladium-containing catalysts in cross-coupling reactions11 Jun 2026US 2026/0158481 A1Heraeus Precious Metals GmbH & Co. KG
- Siloxane functionalized platinum oxalate complex30 Apr 2026US 2026/0116904 A1Dow Global Technologies LLC
- Ligand Compound, Organic Chromium Compound, and Catalyst Composition Including the Same30 Oct 2025US 2025/0333427 A1LG Chem.Ltd.
Most cited
By later US patents
- Compositions that can produce polymers334US 6,300,271 B1Phillips Petroleum Company · 2001
- Organometal catalyst compositions329US 6,355,594 B1Phillips Petroleum Company · 2002
- Silica-coated alumina activator-supports for metallocene catalyst compositions292US 7,884,163 B2Chevron Phillips Chemical Company LP · 2011
- Organometal compound catalyst275US 6,548,442 B1Phillips Petroleum Company · 2003
- Compositions that can produce polymers252US 7,601,665 B2Chevron Phillips Chemical Company LP · 2009