B01D 2239/0266
Comprising biodegradable or bio-soluble polymers
Official title: comprising biodegradable or bio-soluble polymers
B01D2239/0266 (Comprising biodegradable or bio-soluble polymers) appears on 45 US grants and 85 published applications in this corpus.
Search patents in B01D- Granted patents
- 45
- Published applications
- 85
- Assignees
- 62
- Inventors
- 221
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 1 |
| 2014 | 0 | 2 |
| 2015 | 4 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 4 | 9 |
| 2022 | 2 | 17 |
| 2023 | 5 | 15 |
| 2024 | 6 | 12 |
| 2025 | 10 | 9 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Melt-blown nonwoven fabric, method of producing the same, layered body, filter for face mask, and face mask25 Aug 2026US 12,716,153 B2Kaneka Corporation
- Biodegradable filters11 Aug 2026US 12,702,942 B2NxtNano, LLC
- Biodegradable composite filter media for air filters and manufacturing method thereof16 Jun 2026US 12,654,118 B2Nam Yang Non-Woven Fabric Co., Ltd.
- Face mask, composites, iron-iron oxide compositions and methods of manufacture and use thereof10 Mar 2026US 12,568,974 B2N&E Innovations Pte. Ltd.
- Filter medium and composite filter including same3 Feb 2026US 12,539,476 B2Amogreentech Co., Ltd.
- Vortical cross-flow filtration system10 Sep 2026US 2026/0263971 A1Cleanr Inc.
- Filter layer29 Jan 2026US 2026/0027500 A1Filtrox AG
- Lyocell material with modified cross section, cigarette filter, and manufacturing method therefor18 Dec 2025US 2025/0380735 A1Kolon Industries, Inc.
- Filter media, triboelectrically charged fibers thereof, and methods for the same6 Nov 2025US 2025/0339799 A1DelStar Technologies, Inc.
- Hydrogel chitosan from shrimps shells for biofilter system24 Jul 2025US 2025/0236686 A1Qatar University
Most cited
By later US patents
- Macroporous or microporous filtration membrane, method of preparation and use51US 5,993,661 AThe Research Foundation of State University of New York · 1999
- Multilayer nanofiber filter19US 8,523,971 B2The Hong Kong Polytechnic University · 2013
- Products of high denier per filament and low total denier tow bands16US 8,967,155 B2Celanese Acetate LLC · 2015
- Apparatus and method for collection and disposal of fats, oil and grease9US 11,529,571 B22022
- Apparatus and method for collection and disposal of fats, oil and grease9US 11,535,812 B22022