B01D 2255/30
Silica
B01D2255/30 (Silica) appears on 332 US grants and 454 published applications in this corpus.
Search patents in B01D- Granted patents
- 332
- Published applications
- 454
- Assignees
- 198
- Inventors
- 951
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 2 |
| 2003 | 2 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 2 | 6 |
| 2007 | 1 | 9 |
| 2008 | 4 | 7 |
| 2009 | 1 | 20 |
| 2010 | 10 | 19 |
| 2011 | 9 | 30 |
| 2012 | 12 | 27 |
| 2013 | 24 | 24 |
| 2014 | 20 | 22 |
| 2015 | 19 | 50 |
| 2016 | 20 | 32 |
| 2017 | 29 | 33 |
| 2018 | 22 | 49 |
| 2019 | 33 | 36 |
| 2020 | 32 | 18 |
| 2021 | 22 | 11 |
| 2022 | 20 | 19 |
| 2023 | 17 | 16 |
| 2024 | 10 | 11 |
| 2025 | 5 | 3 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Use of silica nanoparticles with triazine for H2S scavenging6 Oct 2026US 12,752,236 B2Nissan Chemical America Corporation
- Selective catalytic reduction catalyst for the treatment of an exhaust gas8 Sep 2026US 12,728,409 B2BASF Mobile Emissions Catalysts LLC
- Phosphor-transition metal-photocatalyst hybrid composite material, method for preparing the same, and filter using the same12 May 2026US 12,623,209 B2Hyundai Motor Company
- Denitration catalyst and method for purifying exhaust gas14 Apr 2026US 12,599,872 B2Mitsubishi Heavy Industries, Ltd.
- Method for manufacturing catalyst for capture and conversion of carbon dioxide10 Mar 2026US 12,569,836 B2Lowcarbon Co., Ltd.
- Catalyst for the abatement of ammonia and nitrogen oxide emissions from the exhaust gases of combustion engines16 Jul 2026US 2026/0199836 A1Umicore AG & Co. KG
- Composite catalyst for hydrogen selective catalytic reduction, method of removing nitrogen oxides using the same, and air purification device including composite catalyst9 Jul 2026US 2026/0192248 A1Samsung Electronics Co., Ltd.
- Nh3 abatement with greater selectivity to n212 Feb 2026US 2026/0042085 A1Johnson Matthey Public Limited Company
- Flue gas treatment device and design method of flue gas treatment device1 Jan 2026US 2026/0002460 A1Mitsubishi Heavy Industries, Ltd.
- So2 tolerant catalysts and method for preparing same6 Nov 2025US 2025/0339848 A1W. L. Gore & Associates, Inc.
Most cited
By later US patents
- Catalysed substrate monolith51US 8,667,785 B2Johnson Matthey Public Limited Company · 2014
- Coated substrates for use in catalysis and catalytic converters and methods of coating substrates with washcoat compositions42US 8,679,433 B2SDCmaterials, Inc. · 2014
- Process for producing a catalyst body35US 6,576,585 B2Siemens Aktiengesellschaft · 2003
- Catalyst manufacturing method31US 9,278,338 B2Johnson Matthey PLC · 2016
- Diesel oxidation catalyst and use thereof in diesel and advanced combustion diesel engine systems26US 9,440,192 B2BASF SE · 2016