B01J 31/0234
Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
Official title: {Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds}
B01J31/0234 (Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds) appears on 1,684 US grants and 1,412 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,684
- Published applications
- 1,412
- Assignees
- 872
- Inventors
- 4,555
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 19 | 0 |
| 1978 | 21 | 0 |
| 1979 | 17 | 0 |
| 1980 | 22 | 0 |
| 1981 | 38 | 0 |
| 1982 | 33 | 0 |
| 1983 | 25 | 0 |
| 1984 | 20 | 0 |
| 1985 | 28 | 0 |
| 1986 | 12 | 0 |
| 1987 | 12 | 0 |
| 1988 | 16 | 0 |
| 1989 | 15 | 0 |
| 1990 | 18 | 0 |
| 1991 | 19 | 0 |
| 1992 | 22 | 0 |
| 1993 | 31 | 0 |
| 1994 | 24 | 0 |
| 1995 | 19 | 0 |
| 1996 | 17 | 0 |
| 1997 | 23 | 0 |
| 1998 | 48 | 0 |
| 1999 | 32 | 0 |
| 2000 | 31 | 0 |
| 2001 | 40 | 9 |
| 2002 | 47 | 33 |
| 2003 | 36 | 42 |
| 2004 | 29 | 42 |
| 2005 | 20 | 37 |
| 2006 | 28 | 28 |
| 2007 | 19 | 43 |
| 2008 | 16 | 29 |
| 2009 | 22 | 33 |
| 2010 | 31 | 57 |
| 2011 | 27 | 53 |
| 2012 | 26 | 35 |
| 2013 | 36 | 64 |
| 2014 | 44 | 49 |
| 2015 | 57 | 54 |
| 2016 | 52 | 91 |
| 2017 | 59 | 53 |
| 2018 | 67 | 91 |
| 2019 | 69 | 84 |
| 2020 | 81 | 74 |
| 2021 | 63 | 89 |
| 2022 | 66 | 88 |
| 2023 | 49 | 77 |
| 2024 | 46 | 63 |
| 2025 | 42 | 55 |
| 2026 | 33 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalytic method for the preparation of perfluoroalkoxy-substituted arenes and heteroarenes6 Oct 2026US 12,753,139 B2Freie UniversitäT Berlin
- Method for preparing biliverdin or derivative thereof15 Sep 2026US 12,735,405 B2Wuhan Jianmin Dapeng Pharmaceutical Co., Ltd.
- Organic-inorganic composite catalyst, air purification device including the organic-inorganic composite catalyst, and method of regenerating the organic-inorganic composite catalyst1 Sep 2026US 12,722,149 B2Jk Global Co., Ltd.
- Intermediates for making derivatives of substituted morpholines18 Aug 2026US 12,709,602 B2Supernus Pharmaceuticals, Inc.
- Photoredox catalysts and methods of using such catalysts28 Jul 2026US 12,691,440 B2Colorado State University Research Foundation
- Bifunctional acidic catalysts and preperation methods of furfural via catalyzing hemicellulose or xylose8 Oct 2026US 2026/0307066 A1Nanjing University
- Oxygen reduction catalyst and use thereof8 Oct 2026US 2026/0307067 A1Toyota Jidosha Kabushiki Kaisha
- Novel compound or salt thereof, catalyst, method of preparing novel compound or salt thereof and method of preparing mannich product8 Oct 2026US 2026/0308178 A1Okinawa Institute of Science and Technology School Corporation
- Supported transition metal nanoparticle catalyst and use thereof as a hydrogenation catalyst1 Oct 2026US 2026/0295565 A1BASF SE
- Combination of catalytic components1 Oct 2026US 2026/0295570 A1PolyU GmbH
Most cited
By later US patents
- Crystalline silicates and method of preparing the same142US 3,941,871 AMobil Oil Corporation · 1976
- Phase transfer catalyzed preparation of aromatic polyether polymers113US 5,229,482 AGeneral Electric Company · 1993
- Catalyst system and the use thereof70US 6,953,829 B2Basell Polyolefine GmbH · 2005
- Crystalline silicates and method for preparing same67US 4,104,294 AUnion Carbide Corporation · 1978
- Homogeneous catalyst formulations for methanol production67US 4,992,480 AAssociated Universities, Inc. · 1991