B01D 71/06
Organic material
B01D71/06 (Organic material) appears on 5,888 US grants and 6,636 published applications in this corpus.
Search patents in B01D- Granted patents
- 5,888
- Published applications
- 6,636
- Assignees
- 2,266
- Inventors
- 13,538
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 47 | 0 |
| 1977 | 35 | 0 |
| 1978 | 53 | 0 |
| 1979 | 30 | 0 |
| 1980 | 50 | 0 |
| 1981 | 62 | 0 |
| 1982 | 39 | 0 |
| 1983 | 44 | 0 |
| 1984 | 54 | 0 |
| 1985 | 45 | 0 |
| 1986 | 58 | 0 |
| 1987 | 78 | 0 |
| 1988 | 91 | 0 |
| 1989 | 121 | 0 |
| 1990 | 130 | 0 |
| 1991 | 147 | 0 |
| 1992 | 110 | 0 |
| 1993 | 77 | 0 |
| 1994 | 68 | 0 |
| 1995 | 62 | 0 |
| 1996 | 59 | 0 |
| 1997 | 60 | 0 |
| 1998 | 70 | 0 |
| 1999 | 69 | 0 |
| 2000 | 66 | 0 |
| 2001 | 55 | 14 |
| 2002 | 66 | 88 |
| 2003 | 68 | 113 |
| 2004 | 69 | 124 |
| 2005 | 60 | 135 |
| 2006 | 56 | 149 |
| 2007 | 71 | 137 |
| 2008 | 72 | 143 |
| 2009 | 66 | 178 |
| 2010 | 115 | 223 |
| 2011 | 109 | 226 |
| 2012 | 138 | 234 |
| 2013 | 144 | 267 |
| 2014 | 176 | 279 |
| 2015 | 199 | 373 |
| 2016 | 214 | 364 |
| 2017 | 244 | 329 |
| 2018 | 237 | 344 |
| 2019 | 273 | 378 |
| 2020 | 286 | 410 |
| 2021 | 285 | 384 |
| 2022 | 257 | 359 |
| 2023 | 233 | 367 |
| 2024 | 246 | 407 |
| 2025 | 252 | 334 |
| 2026 | 172 | 277 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 71/30Polyalkenyl halides1,417
- B01D 71/76Macromolecular material not specifically provided for in a single one of groups1,328
- B01D 71/58Other polymers having nitrogen in the main chain, with or without oxygen1,049
- B01D 71/66Polymers having sulfur in the main chain, with or without nitrogen, oxygen974
- B01D 71/56Polyamides830
- B01D 71/26Polyalkenes608
- B01D 71/08Polysaccharides600
- B01D 71/40Polymers of unsaturated acids or derivatives thereof547
All 20 subgroupsShow fewer
- B01D 71/52Polyethers476
- B01D 71/70Polymers having silicon in the main chain, with or without sulfur, nitrogen348
- B01D 71/44Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for323
- B01D 71/38Polyalkenylalcohols282
- B01D 71/28Polymers of vinyl aromatic compounds230
- B01D 71/48Polyesters188
- B01D 71/54Polyureas175
- B01D 71/72Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds127
- B01D 71/50Polycarbonates121
- B01D 71/74Natural macromolecular material or derivatives thereof73
- B01D 71/24Rubbers47
- B01D 71/46Epoxy resins34
Recent patents
- Eco-friendly membranes for separations6 Oct 2026US 12,752,241 B2Khalifa University of Science and Technology
- Feedstock solution flow concentration system29 Sep 2026US 12,746,511 B2Asahi Kasei Kabushiki Kaisha
- Dual-layer hollow fiber membranes and methods of making and use22 Sep 2026US 12,741,269 B2The Regents of the University of Michigan
- Bioprocess with reduced fouling on surfaces15 Sep 2026US 12,734,465 B2Nutrition & Biosciences USA 1, LLC
- Point of use or point of dispense filter with multiple pleat packs15 Sep 2026US 12,734,488 B2Entegris, Inc.
- Modular multiplatform system for mrna drug production8 Oct 2026US 2026/0306407 A1BioNTech SE
- Membrane-adsorption process for direct air capture8 Oct 2026US 2026/0307001 A1Ohio State Innovation Foundation
- Porous membrane and purification method8 Oct 2026US 2026/0307015 A1Toyobo Co., Ltd.
- Substrate for liquid filter and liquid filter8 Oct 2026US 2026/0307016 A1Teijin Limited
- Conductive forward osmosis membrane and preparation method thereof8 Oct 2026US 2026/0307018 A1Beijing Baoshengtong International Electrical Engineering Technology Co., Ltd.
Most cited
By later US patents
- Process for producing porous products1,316US 3,953,566 AW. L. Gore & Associates, Inc. · 1976
- Techniques to improve polyurethane membranes for implantable glucose sensors1,046US 7,226,978 B2DexCom, Inc. · 2007
- Melt-blown fibrous web1,019US 5,582,907 APall Corporation · 1996
- Porous products and process therefor909US 4,187,390 AW. L. Gore & Associates, Inc. · 1980
- Acrylic copolymer membranes for biosensors653US 5,284,140 AEli Lilly and Company · 1994