B01D 67/0009
By phase separation, sol-gel transition, evaporation or solvent quenching
Official title: {by phase separation, sol-gel transition, evaporation or solvent quenching}
B01D67/0009 (By phase separation, sol-gel transition, evaporation or solvent quenching) appears on 1,034 US grants and 1,164 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,034
- Published applications
- 1,164
- Assignees
- 610
- Inventors
- 2,900
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 11 | 0 |
| 1978 | 8 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 9 | 0 |
| 1985 | 3 | 0 |
| 1986 | 11 | 0 |
| 1987 | 13 | 0 |
| 1988 | 13 | 0 |
| 1989 | 12 | 0 |
| 1990 | 27 | 0 |
| 1991 | 18 | 0 |
| 1992 | 17 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 9 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 14 | 0 |
| 1999 | 23 | 0 |
| 2000 | 17 | 0 |
| 2001 | 13 | 3 |
| 2002 | 14 | 16 |
| 2003 | 13 | 27 |
| 2004 | 16 | 31 |
| 2005 | 16 | 43 |
| 2006 | 11 | 41 |
| 2007 | 18 | 36 |
| 2008 | 24 | 29 |
| 2009 | 17 | 36 |
| 2010 | 26 | 41 |
| 2011 | 26 | 37 |
| 2012 | 31 | 37 |
| 2013 | 26 | 32 |
| 2014 | 29 | 46 |
| 2015 | 32 | 58 |
| 2016 | 34 | 59 |
| 2017 | 35 | 60 |
| 2018 | 39 | 55 |
| 2019 | 49 | 73 |
| 2020 | 47 | 71 |
| 2021 | 62 | 63 |
| 2022 | 44 | 62 |
| 2023 | 33 | 52 |
| 2024 | 45 | 57 |
| 2025 | 40 | 62 |
| 2026 | 21 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Eco-friendly membranes for separations6 Oct 2026US 12,752,241 B2Khalifa University of Science and Technology
- Dual-layer hollow fiber membranes and methods of making and use22 Sep 2026US 12,741,269 B2The Regents of the University of Michigan
- Method for preparing durable hydrophilic ultrafiltration membrane11 Aug 2026US 12,702,955 B2Tiangong University
- Hollow fiber and a process for preparation thereof21 Jul 2026US 12,685,972 B2E. & J. Gallo Winery
- Fluid separation membranes and use thereof7 Jul 2026US 12,673,298 B1Semicom Dwc-LLC
- Ion exchange membrane8 Oct 2026US 2026/0307020 A1Khalifa University of Science and Technology
- 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
- Hollow fiber and a process for preparation thereof10 Sep 2026US 2026/0264024 A1
- Filtration membrane with improved hydrophilicity10 Sep 2026US 2026/0264027 A1BASF SE
Most cited
By later US patents
- Multicomponent membranes for gas separations355US 4,230,463 AMonsanto Company · 1980
- Asymmetric membranes315US 4,629,563 ABrunswick Corporation · 1986
- Process for preparing hydrophilic polyamide membrane filter media and product277US 4,340,479 APall Corporation · 1982
- Hydrophilic polymeric phase inversion membrane206US 6,071,406 AWhatman, Inc. · 2000
- Process for producing microporous powders and membranes180US 4,968,733 AAkzo N. V. · 1990