B01D 53/8659
Removing halogens or halogen compounds
Official title: {Removing halogens or halogen compounds}
B01D53/8659 (Removing halogens or halogen compounds) appears on 253 US grants and 207 published applications in this corpus.
Search patents in B01D- Granted patents
- 253
- Published applications
- 207
- Assignees
- 178
- Inventors
- 718
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 11 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 10 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 5 | 0 |
| 1997 | 13 | 0 |
| 1998 | 12 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 10 |
| 2002 | 11 | 18 |
| 2003 | 13 | 15 |
| 2004 | 15 | 15 |
| 2005 | 11 | 9 |
| 2006 | 4 | 10 |
| 2007 | 6 | 9 |
| 2008 | 3 | 10 |
| 2009 | 4 | 10 |
| 2010 | 8 | 4 |
| 2011 | 3 | 6 |
| 2012 | 5 | 4 |
| 2013 | 2 | 2 |
| 2014 | 2 | 6 |
| 2015 | 2 | 4 |
| 2016 | 3 | 6 |
| 2017 | 4 | 5 |
| 2018 | 4 | 5 |
| 2019 | 5 | 7 |
| 2020 | 6 | 10 |
| 2021 | 3 | 3 |
| 2022 | 1 | 7 |
| 2023 | 5 | 8 |
| 2024 | 3 | 9 |
| 2025 | 5 | 7 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalyst for decomposing perfluorinated compounds and method of manufacturing the catalyst16 Jun 2026US 12,654,155 B2Korea Advanced Institute of Science and Technology
- Gas treatment system, semiconductor process system including the same, and gas treatment method using the same26 May 2026US 12,636,612 B2Samsung Electronics Co., Ltd.
- Highly chlorine- and water-resistant catalyst, preparation method therefor and use thereof28 Apr 2026US 12,611,654 B2Zhejiang University
- Waste gas treatment apparatus for semiconductor and display processes14 Apr 2026US 12,604,697 B2
- Porous metal organic framework-polymer composites for use in detoxifying chemical warfare agents3 Mar 2026US 12,564,830 B2Research Triangle Institute
- Multi-step defluorination of mixtures of fluorinated compounds10 Sep 2026US 2026/0265162 A1International Business Machines Corporation
- Catalyst for decomposing perfluorocompounds27 Aug 2026US 2026/0249272 A1Ecoprohn
- Discharge gas treatment method and discharge gas treatment device23 Jul 2026US 2026/0208102 A1Resonac Corporation
- Method for decomposing chlorine gas and method for removing the same4 Jun 2026US 2026/0151733 A1Resonac Corporation
- Catalyst treatment apparatus using plasma and exhaust gas treatment system using the same30 Apr 2026US 2026/0115661 A1Ennopia
Most cited
By later US patents
- Apparatus for manufacturing a process abatement reactor386US 7,736,600 B2APPLIED Materials.Inc. · 2010
- Fluid purification113US 5,126,111 ANutech Energy Systems Inc. · 1992
- Porous ceramic liner for a plasma source82US 6,367,412 B1APPLIED Materials.Inc. · 2002
- Catalytic incineration of organic compounds59US 5,283,041 AEngelhard Corporation · 1994
- Apparatus for the catalytic conversion of waste gases54US 5,108,717 ADegussa Aktiengesellchaft · 1992