B01D 15/265
Adsorption chromatography
Official title: {Adsorption chromatography}
B01D15/265 (Adsorption chromatography) appears on 421 US grants and 441 published applications in this corpus.
Search patents in B01D- Granted patents
- 421
- Published applications
- 441
- Assignees
- 385
- Inventors
- 1,330
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 10 | 0 |
| 1978 | 15 | 0 |
| 1979 | 4 | 0 |
| 1980 | 11 | 0 |
| 1981 | 11 | 0 |
| 1982 | 12 | 0 |
| 1983 | 14 | 0 |
| 1984 | 12 | 0 |
| 1985 | 11 | 0 |
| 1986 | 10 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 8 |
| 2002 | 10 | 23 |
| 2003 | 17 | 28 |
| 2004 | 10 | 17 |
| 2005 | 15 | 14 |
| 2006 | 7 | 15 |
| 2007 | 7 | 23 |
| 2008 | 9 | 28 |
| 2009 | 14 | 21 |
| 2010 | 14 | 35 |
| 2011 | 18 | 14 |
| 2012 | 14 | 10 |
| 2013 | 14 | 15 |
| 2014 | 10 | 12 |
| 2015 | 11 | 20 |
| 2016 | 14 | 11 |
| 2017 | 5 | 6 |
| 2018 | 11 | 4 |
| 2019 | 18 | 24 |
| 2020 | 12 | 14 |
| 2021 | 16 | 15 |
| 2022 | 8 | 23 |
| 2023 | 7 | 15 |
| 2024 | 11 | 16 |
| 2025 | 13 | 20 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bioprocess with reduced fouling on surfaces15 Sep 2026US 12,734,465 B2Nutrition & Biosciences USA 1, LLC
- Diethylamino ethyl polymers and methods of use2 Jun 2026US 12,643,077 B2Cytiva US LLC
- Method for separating polyisoprene and other apolar valuable substances from vegetable feedstock24 Mar 2026US 12,583,953 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein
- Hydrocarbon and sulfide removal in direct aqueous extraction3 Mar 2026US 12,565,430 B2Schlumberger Technology Corporation
- Method for preparing LUO HAN GUO sweetening composition from Siraitia grosvenorii and use thereof13 Jan 2026US 12,520,862 B2Hunan Nutramax Inc.
- Biological Material Purification Method, Magnetic Stand, And Biological Material Purification Device24 Sep 2026US 2026/0284552 A1Seiko Epson Corporation
- Chromatography column packing material, chromatography column, method for producing chromatography column, chromatography analysis apparatus, and analysis method17 Sep 2026US 2026/0273435 A1AQAS Corporation
- Nano-plastic removal method and nano-plastic adsorbent30 Jul 2026US 2026/0216618 A1Kuraray Co., Ltd.
- Application of carboxylated covalent organic magnetic framework material as magnetic solid-phase extraction adsorbent28 May 2026US 2026/0145158 A1Scut-Zhongshan Institute of Modern Industrial Technology
- System and method of on-site exchange of sorbent media into a large mobile adsorber vessel21 May 2026US 2026/0138052 A1Calgon Carbon Corporation
Most cited
By later US patents
- Process for removing mercury from a gas or a liquid by absorption on a copper sulfide containing solid mass253US 4,094,777 AInstitut Francais du Petrole · 1978
- Method and composition for removing uremic toxins in dialysis processes191US 7,241,272 B2Baxter International Inc. · 2007
- High-temperature characterization of polymers181US 6,260,407 B1Symyx Technologies, Inc. · 2001
- Method and composition for removing uremic toxins in dialysis processes142US 8,002,726 B2Baxter International Inc. · 2011
- Portable hepatic-assist method and apparatus for same133US 4,209,392 A1980