B01D 2257/7027
Aromatic hydrocarbons
B01D2257/7027 (Aromatic hydrocarbons) appears on 315 US grants and 412 published applications in this corpus.
Search patents in B01D- Granted patents
- 315
- Published applications
- 412
- Assignees
- 299
- Inventors
- 1,101
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 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 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 1 |
| 2003 | 3 | 2 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 5 |
| 2008 | 0 | 9 |
| 2009 | 4 | 8 |
| 2010 | 9 | 12 |
| 2011 | 3 | 14 |
| 2012 | 11 | 24 |
| 2013 | 10 | 12 |
| 2014 | 11 | 13 |
| 2015 | 16 | 16 |
| 2016 | 18 | 20 |
| 2017 | 11 | 19 |
| 2018 | 11 | 38 |
| 2019 | 21 | 28 |
| 2020 | 32 | 35 |
| 2021 | 19 | 38 |
| 2022 | 20 | 27 |
| 2023 | 21 | 25 |
| 2024 | 18 | 27 |
| 2025 | 18 | 18 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adsorbent bed with increased hydrothermal stability6 Oct 2026US 12,752,233 B2BASF SE
- Filter for air purification and manufacturing method thereof15 Sep 2026US 12,734,512 B2Hyundai Motor Company
- Steel mill offgas separation and purification18 Aug 2026US 12,708,874 B2Air Products and Chemicals, Inc.
- Ternary composite material having NiO nanosheet/bimetallic CeCuOx microsheet core-shell structure, and preparation and application thereof7 Apr 2026US 12,594,546 B2Soochow University
- System for detecting and cleaning air pollution in indoor space with heating, ventilation and air conditioning7 Apr 2026US 12,595,928 B2Microjet Technology Co., Ltd.
- High capacity production of carbon molecular sieve membranes6 Aug 2026US 2026/0225033 A1
- Advanced membrane oxidation process and system for the treatment of industrial gas emissions and odors23 Jul 2026US 2026/0208098 A1
- Advanced membrane oxidation process and system for the treatment of industrial gas emissions and odors23 Jul 2026US 2026/0208099 A1
- Low sodium activated alumina materials16 Jul 2026US 2026/0199867 A1BASF SE
- Gas purification method and gas purifier2 Jul 2026US 2026/0183709 A1Guangdong Arcair Appliance Co., Ltd.
Most cited
By later US patents
- Device for removal of contaminants from fluid streams235US 5,750,026 ACorning Incorporated · 1998
- Process for purifying a gas by adsorption of the impurities on several active carbons147US 6,402,813 B2L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2002
- System and method for adsorbing contaminants and regenerating the adsorber89US 5,658,372 ACorning Incorporated · 1997
- Slagging coal combustor for cementitious slag production, metal oxide reduction, shale gas and oil recovery, enviromental remediation, emission control and CO2 sequestration77US 8,337,613 B22012
- Olefinic hydrocarbon separation process59US 6,106,702 AUop LLC · 2000