B01D 71/08
Polysaccharides
B01D71/08 (Polysaccharides) appears on 600 US grants and 589 published applications in this corpus.
Search patents in B01D- Granted patents
- 600
- Published applications
- 589
- Assignees
- 436
- Inventors
- 1,704
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 14 | 0 |
| 1981 | 15 | 0 |
| 1982 | 11 | 0 |
| 1983 | 8 | 0 |
| 1984 | 9 | 0 |
| 1985 | 10 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 11 | 0 |
| 1989 | 18 | 0 |
| 1990 | 17 | 0 |
| 1991 | 19 | 0 |
| 1992 | 13 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 12 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 1 |
| 2002 | 6 | 5 |
| 2003 | 6 | 13 |
| 2004 | 6 | 5 |
| 2005 | 3 | 8 |
| 2006 | 5 | 7 |
| 2007 | 3 | 5 |
| 2008 | 5 | 7 |
| 2009 | 2 | 10 |
| 2010 | 3 | 17 |
| 2011 | 7 | 16 |
| 2012 | 14 | 17 |
| 2013 | 10 | 28 |
| 2014 | 9 | 22 |
| 2015 | 18 | 50 |
| 2016 | 23 | 17 |
| 2017 | 21 | 34 |
| 2018 | 16 | 41 |
| 2019 | 28 | 42 |
| 2020 | 40 | 49 |
| 2021 | 30 | 35 |
| 2022 | 24 | 28 |
| 2023 | 20 | 33 |
| 2024 | 22 | 40 |
| 2025 | 21 | 25 |
| 2026 | 14 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cell retention device18 Aug 2026US 12,708,876 B2Sunflower Therapeutics, PBC
- Filtration membrane and method of production thereof28 Jul 2026US 12,691,422 B2NewSouth Innovations Pty Limited
- Fluid separation membranes and use thereof7 Jul 2026US 12,673,298 B1Semicom Dwc-LLC
- Intercalated thin films and methods for their preparation and use30 Jun 2026US 12,668,503 B2University of Washington
- Method for improving the airtightness of buildings using a biopolymer-based membrane16 Jun 2026US 12,654,139 B2Saint-Gobain Isover
- Modular multiplatform system for mrna drug production8 Oct 2026US 2026/0306407 A1BioNTech SE
- Porous membrane and purification method8 Oct 2026US 2026/0307015 A1Toyobo Co., Ltd.
- High-pressure reverse osmosis membrane based on pectin-assisted interfacial polymerization and preparation method therefor17 Sep 2026US 2026/0273475 A1Shandong Industrial Institute of Seawater Desalination and Multipurpose Utilization
- Fabrication of membranes via combined evaporation and precipitant induced phase separation10 Sep 2026US 2026/0264022 A1Sartorius Stedim Biotech GmbH
- Thermal treatment of ultrafiltration membranes10 Sep 2026US 2026/0264023 A1Sartorius Stedim Biotech GmbH
Most cited
By later US patents
- Multicomponent membranes for gas separations355US 4,230,463 AMonsanto Company · 1980
- Membranes for absorbent packets341US 5,108,383 AAllied-Signal Inc. · 1992
- Delivery systems for pharmaceutical or therapeutic actives193US 4,946,870 AUnion Carbide Chemicals and Plastics Company Inc. · 1990
- Paste, which can undergo screen printing for producing a porous polymer membrane for a biosensor154US 6,719,923 B2Inverness Medical Limited · 2004
- Haemodialyzer apparatus139US 4,212,744 AAsahi Medical Co., Ltd. · 1980