B01D 71/10
Cellulose
Official title: Cellulose; Modified cellulose
B01D71/10 (Cellulose) appears on 202 US grants and 205 published applications in this corpus.
Search patents in B01D- Granted patents
- 202
- Published applications
- 205
- Assignees
- 187
- Inventors
- 632
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 10 | 0 |
| 1990 | 4 | 0 |
| 1991 | 10 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 3 |
| 2004 | 2 | 2 |
| 2005 | 2 | 2 |
| 2006 | 3 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 3 |
| 2011 | 1 | 7 |
| 2012 | 2 | 6 |
| 2013 | 1 | 6 |
| 2014 | 4 | 11 |
| 2015 | 5 | 14 |
| 2016 | 11 | 5 |
| 2017 | 4 | 8 |
| 2018 | 5 | 15 |
| 2019 | 10 | 15 |
| 2020 | 13 | 22 |
| 2021 | 8 | 12 |
| 2022 | 13 | 10 |
| 2023 | 8 | 13 |
| 2024 | 11 | 16 |
| 2025 | 9 | 9 |
| 2026 | 5 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cell retention device18 Aug 2026US 12,708,876 B2Sunflower Therapeutics, PBC
- Method for improving the airtightness of buildings using a biopolymer-based membrane16 Jun 2026US 12,654,139 B2Saint-Gobain Isover
- Virus removal membrane and method for manufacturing virus removal membrane5 May 2026US 12,616,940 B2Asahi Kasei Life Science Corporation
- Tunable graphene-based membranes and method of making the same5 May 2026US 12,616,944 B2Ora Graphene Audio Inc.
- Sorbent material for removing contaminants from water13 Jan 2026US 12,521,693 B2Puraffinity Ltd.
- Porous membrane and purification method8 Oct 2026US 2026/0307015 A1Toyobo Co., Ltd.
- Modified nanocellulose membranes and their use in filtration20 Aug 2026US 2026/0241344 A1Board of Trustees of the University of Arkansas
- Pharmaceutical composition for transnasal administration6 Aug 2026US 2026/0224633 A1Daicel Corporation
- Polymer composite thin film, gas separation body provided with polymer composite thin film, gas separation device provided with polymer composite thin film, and manufacturing method for polymer composite thin film30 Jul 2026US 2026/0216663 A1NanoMembrane Technologies, Inc.
- Purification of viruses, virus-like particles, and globular biomolecules by filtration-supported polyalkylene glycol precipitation30 Jul 2026US 2026/0216667 A1
Most cited
By later US patents
- Dialyzing membrane with adsorbent layer122US 4,267,047 AAkzo N.V. of Arnhem/Nederland · 1981
- Cellulosic molding and spinning compound with low contents of low-molecular decomposition products75US 4,426,228 AAkzo N. V. · 1984
- Dialysis membrane of cellulose in the shape of a hollow fiber, and process for the production thereof67US 4,933,084 AAkzo N. V. · 1990
- Microfluidic devices, particularly filtration devices comprising polymeric membranes, and method for their manufacture and use61US 7,955,504 B1State of Oregon acting by and through the State Board of Higher Education on behalf of Oregon State University · 2011
- Methods and compositions for providing articles having improved biocompatability characteristics54US 5,098,977 ABoard of Regents, The University of Texas System · 1992