B01J 23/898
With vanadium, tantalum, niobium or polonium
Official title: {with vanadium, tantalum, niobium or polonium}
B01J23/898 (With vanadium, tantalum, niobium or polonium) appears on 63 US grants and 60 published applications in this corpus.
Search patents in B01J- Granted patents
- 63
- Published applications
- 60
- Assignees
- 63
- Inventors
- 208
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 1 | 2 |
| 2013 | 1 | 18 |
| 2014 | 7 | 1 |
| 2015 | 9 | 6 |
| 2016 | 8 | 4 |
| 2017 | 1 | 6 |
| 2018 | 4 | 4 |
| 2019 | 2 | 0 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photo catalytic device for continuous process for co-conversion of CO2+H2O to C1-oxygenates in sunlight19 May 2026US 12,629,661 B2Council of Scientific and Industrial Research An Indian Registered Body Incorporated Under the Regn. of Soc. Act (Act Xxi of 1860)
- Catalytic system comprising antimony-containing catalyst13 May 2025US 12,297,760 B2BASF SE
- Steam reforming catalyst and fuel cell system using the same30 Jan 2024US 11,883,801 B2Sumitomo Electric Industries, Ltd.
- Catalyst for aminating polyether polyol and preparation method thereof and method of preparing polyetheramines using catalyst thereof27 Oct 2020US 10,814,314 B2Wanhua Chemical Group Co., Ltd.
- Photocatalyst material and method for producing same18 Aug 2020US 10,744,495 B2Japan Technological Research Assocation of Artificial Photosynthesis Chemical Process
- Artificial Photosynthesis Device and a Process for Production of C1/C2 Compounds23 Jul 2026US 2026/0208176 A1Council of Scientific and Industrial Research
- Systems and methods for extracting and removing hydrogen sulfide and thiols26 Dec 2024US 2024/0424443 A1Sm Intellectual Technologies LLC
- Catalytic system comprising antimony-containing catalyst28 Nov 2024US 2024/0392715 A1BASF SE
- Photo catalytic device for continuous process for co-conversion of co2+h2o to c1-oxygenates in sunlight19 Oct 2023US 2023/0330632 A1Council of Scientific and Industrial Research An Indian Registered Body Incorporporated Under the
- Bi-reforming of hydrocarbons to produce synthesis gas10 Feb 2022US 2022/0041441 A1Sabic Global Technologies B.V.
Most cited
By later US patents
- Exhaust gas cleaner and method for cleaning exhaust gas37US 5,882,607 AAgency of Industrial Science and Technology · 1999
- Catalyst and process for preparing maleic anhydride from C.sub.4 hydrocarbons36US 3,980,585 APetro-Tex Chemical Corporation · 1976
- Heat resistant metallic oxide catalyst for reducing pollution emission30US 6,107,239 ALuChuang Environment Protection Science Co. Ltd. · 2000
- Exhaust gas purifying catalyst29US 4,711,870 ABridgestone Corporation · 1987
- Method for improving lean performance of PGM catalyst systems: synergized PGM26US 8,845,987 B1Clean Diesel Technologies Inc. (Cdti) · 2014