B01J 31/2409
With more than one complexing phosphine-p atom
Official title: {with more than one complexing phosphine-P atom}
B01J31/2409 (With more than one complexing phosphine-p atom) appears on 709 US grants and 533 published applications in this corpus.
Search patents in B01J- Granted patents
- 709
- Published applications
- 533
- Assignees
- 342
- Inventors
- 1,621
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 9 | 0 |
| 1985 | 10 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 17 | 0 |
| 1990 | 13 | 0 |
| 1991 | 10 | 0 |
| 1992 | 16 | 0 |
| 1993 | 19 | 0 |
| 1994 | 11 | 0 |
| 1995 | 10 | 0 |
| 1996 | 15 | 0 |
| 1997 | 17 | 0 |
| 1998 | 21 | 0 |
| 1999 | 23 | 0 |
| 2000 | 21 | 0 |
| 2001 | 21 | 4 |
| 2002 | 13 | 16 |
| 2003 | 22 | 26 |
| 2004 | 14 | 19 |
| 2005 | 14 | 18 |
| 2006 | 11 | 20 |
| 2007 | 17 | 8 |
| 2008 | 8 | 13 |
| 2009 | 11 | 12 |
| 2010 | 16 | 19 |
| 2011 | 7 | 16 |
| 2012 | 8 | 13 |
| 2013 | 16 | 24 |
| 2014 | 14 | 30 |
| 2015 | 27 | 30 |
| 2016 | 22 | 32 |
| 2017 | 38 | 30 |
| 2018 | 18 | 23 |
| 2019 | 34 | 29 |
| 2020 | 21 | 18 |
| 2021 | 14 | 20 |
| 2022 | 14 | 30 |
| 2023 | 13 | 25 |
| 2024 | 24 | 23 |
| 2025 | 12 | 23 |
| 2026 | 13 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Selective transition metal catalyzed deuterium incorporation into alkyne and alkene functionalities15 Sep 2026US 12,735,369 B2Marquette University
- Preparation method of sulfur-containing biphenyl compound8 Sep 2026US 12,729,179 B2Jiangsu Yangnong Chemical Co., Ltd.
- Ferrocene-based unsymmetrical ligands bearing bulky di(adamantyl)phosphino motif and their metal catalysts8 Sep 2026US 12,729,216 B2Sigma-Aldrich Co.
- Process of making organic compounds1 Sep 2026US 12,723,012 B2Givaudan SA
- Ruthenium complex, production method of the complex, and production method of optically active secondary alcohols using the complex as catalyst4 Aug 2026US 12,698,300 B2Takasago International Corporation
- Bulky and small-steric-hindrance ligand and use thereof17 Sep 2026US 2026/0273518 A1Dg Hc Optical Co., Ltd
- Recycling of homogeneous palladium catalyst3 Sep 2026US 2026/0257214 A1Firmenich SA
- Biocatalytic synthesis of (1s,3s)-3-hydroxycyclohexane-1-carboxylic acid compounds3 Sep 2026US 2026/0258454 A1Bristol-Myers Squibb Company
- Processes of making csf-1r inhibitors and methods of use thereof13 Aug 2026US 2026/0234127 A1Deciphera Pharmaceuticals, LLC
- Ammonia synthesis catalyst, ammonia production device, and ammonia production method6 Aug 2026US 2026/0225088 A1Idemitsu Kosan Co., Ltd.
Most cited
By later US patents
- Carbonylation catalysts143US 4,792,620 ABP Chemicals Limited · 1988
- Polymerization of carbon monoxide/olefin with P ligand having polar aryl group101US 4,843,144 AShell Oil Company · 1989
- Ethylene trimerization100US 5,811,618 AAmoco Corporation · 1998
- Olefin trimerisation using a catalyst comprising a source of chromium, molybdenum or tungsten and a ligand containing at least one phosphorous, arsenic or antimony atom bound to at least one (hetero)hydrocarbyl group65US 6,800,702 B2BP Chemicals Limited · 2004
- Ethylene trimerization63US 5,968,866 ABP Amoco Corporation · 1999