B01D 2253/1128
Metal sulfides
B01D2253/1128 (Metal sulfides) appears on 55 US grants and 66 published applications in this corpus.
Search patents in B01D- Granted patents
- 55
- Published applications
- 66
- Assignees
- 40
- Inventors
- 165
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 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 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 5 |
| 2013 | 0 | 3 |
| 2014 | 3 | 6 |
| 2015 | 5 | 5 |
| 2016 | 2 | 10 |
| 2017 | 8 | 7 |
| 2018 | 9 | 7 |
| 2019 | 6 | 2 |
| 2020 | 5 | 4 |
| 2021 | 4 | 6 |
| 2022 | 4 | 2 |
| 2023 | 0 | 4 |
| 2024 | 2 | 1 |
| 2025 | 3 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Metal sulfides on alkali earth particle substrates25 Nov 2025US 12,478,944 B2Atlas Carbon, LLC
- Carrier for mercury adsorbent and method for preparing the carrier25 Nov 2025US 12,478,946 B2Xi'an Sunward Aeromat Co., Ltd.
- Preparation method of mercury removal material30 Sep 2025US 12,427,495 B2Central South University
- Process for preparing sulfated adsorbents, sulfated adsorbents and use25 Jun 2024US 12,017,199 B2Petroleo Brasileiro S.A. - Petrobras
- Magnetic adsorbents and methods of their use for removal of contaminants7 May 2024US 11,975,291 B2Carbonxt, Inc.
- Copper embedded polyurethane foam for mercury removal5 Mar 2026US 2026/0061391 A1Uop LLC
- Carbon dioxide recovery system3 Jul 2025US 2025/0214033 A1Denso Corporation
- Electrochemical cell21 Nov 2024US 2024/0382900 A1Denso Corporation
- Hydrogen sulfide adsorption process and apparatus13 Apr 2023US 2023/0113433 A1Freshair Sensor, LLC
- Preparation method of mercury removal material2 Mar 2023US 2023/0068024 A1Central South University
Most cited
By later US patents
- Process for removing mercury from a gas or a liquid by absorption on a copper sulfide containing solid mass253US 4,094,777 AInstitut Francais du Petrole · 1978
- Integrated filter combining physical adsorption and electrokinetic adsorption62US 6,274,041 B1Kimberly-Clark Worldwide, Inc. · 2001
- Process for removing hydrogen sulfide from very sour hydrocarbon gas streams using metal sulfide16US 9,017,627 B2Shell Oil Company · 2015
- Magnetic materials for sensing and decontaminating toxic chemicals9US 9,770,703 B1The United States of America as reprensented by the Secretary of the Army · 2017
- Reconfigurable segmental contaminated emissions capture and collection system utilizing a fluidized bed apparatus with a method for tilting and/or agitation8US 9,968,884 B2Chemical and Metal Technologies LLC · 2018