B01D 2257/55
Compounds of silicon, phosphorus, germanium or arsenic
B01D2257/55 (Compounds of silicon, phosphorus, germanium or arsenic) appears on 230 US grants and 329 published applications in this corpus.
Search patents in B01D- Granted patents
- 230
- Published applications
- 329
- Assignees
- 195
- Inventors
- 724
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 5 |
| 2005 | 2 | 4 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 3 | 0 |
| 2009 | 2 | 2 |
| 2010 | 0 | 0 |
| 2011 | 2 | 6 |
| 2012 | 3 | 11 |
| 2013 | 6 | 18 |
| 2014 | 3 | 17 |
| 2015 | 7 | 19 |
| 2016 | 10 | 19 |
| 2017 | 15 | 14 |
| 2018 | 20 | 32 |
| 2019 | 20 | 28 |
| 2020 | 33 | 38 |
| 2021 | 24 | 26 |
| 2022 | 26 | 19 |
| 2023 | 13 | 21 |
| 2024 | 13 | 17 |
| 2025 | 13 | 19 |
| 2026 | 5 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nanoporous pure silica zeolites25 Aug 2026US 12,714,980 B2University of Puerto Rico
- Biogas processing systems and methods24 Mar 2026US 12,582,936 B2Ivys Adsorption Inc.
- Method for removing silicon powder in coolant for monocrystalline silicon slicing with diamond wire10 Mar 2026US 12,569,784 B2Tcl Zhonghuan Renewable Energy Technology Co., Ltd.
- Porous metal organic framework-polymer composites for use in detoxifying chemical warfare agents3 Mar 2026US 12,564,830 B2Research Triangle Institute
- Exhaust gas emissions abatement system13 Jan 2026US 12,521,696 B2Shell USA, Inc.
- Method of filtration of particulated systems with injection of nanobubbles, and, use8 Oct 2026US 2026/0306978 A1Universidade Federal Do Rio Grande Do Sul—Ufrgs
- Exhaust gas treatment apparatus and exhaust gas treatment method17 Sep 2026US 2026/0273464 A1Ebara Corporation
- Assembly and method for using an exchange-membrane fuel cell and an acid-capture device13 Aug 2026US 2026/0237703 A1Safran Power Units
- Method for separating an exhaust-gas mixture containing hydrogen chloride, hydrogen and chlorosilanes30 Jul 2026US 2026/0216635 A1Wacker Chemie AG
- A multifunctional catalyst system30 Jul 2026US 2026/0216650 A1Dinex A/S
Most cited
By later US patents
- Bulk gas sorption and apparatus, gas containment/treatment system comprising same, and sorbent composition therefor81US 5,151,395 ANovapure Corporation · 1992
- Valve block and container for semiconductor source reagent dispensing and/or purification75US 4,723,967 AAdvanced Technology Materials, Inc. · 1988
- Adsorbent assembly for removing gaseous contaminants61US 5,593,482 AW. L. Gore & Associates, Inc. · 1997
- Recovering of xenon by adsorption process50US 8,535,414 B2Air Products and Chemicals, Inc. · 2013
- Composition, apparatus, and process, for sorption of gaseous compounds of group II-VII elements42US 5,037,624 AAdvanced Technology Materials, Inc. · 1991