B01J 2219/00423
Using filtration
Official title: using filtration, e.g. through porous frits
B01J2219/00423 (Using filtration) appears on 240 US grants and 229 published applications in this corpus.
Search patents in B01J- Granted patents
- 240
- Published applications
- 229
- Assignees
- 148
- Inventors
- 667
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 14 | 0 |
| 1999 | 10 | 0 |
| 2000 | 17 | 0 |
| 2001 | 14 | 8 |
| 2002 | 8 | 12 |
| 2003 | 10 | 31 |
| 2004 | 11 | 27 |
| 2005 | 9 | 23 |
| 2006 | 14 | 24 |
| 2007 | 11 | 19 |
| 2008 | 8 | 4 |
| 2009 | 15 | 13 |
| 2010 | 8 | 6 |
| 2011 | 7 | 17 |
| 2012 | 5 | 5 |
| 2013 | 9 | 4 |
| 2014 | 2 | 1 |
| 2015 | 1 | 3 |
| 2016 | 3 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 3 |
| 2019 | 2 | 4 |
| 2020 | 0 | 3 |
| 2021 | 0 | 2 |
| 2022 | 3 | 6 |
| 2023 | 6 | 5 |
| 2024 | 1 | 4 |
| 2025 | 5 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for enzymatic synthesis of polynucleotides5 May 2026US 12,618,092 B2DNA Script
- Systems, apparatus and kits for enzymatic polynucleotide synthesis5 Aug 2025US 12,377,397 B2DNA Script
- Row-independent oligonucleotide synthesis29 Jul 2025US 12,370,521 B2
- Guide RNA synthesis system and method24 Jun 2025US 12,337,291 B2Synthego Corporation
- Process and system for collecting catalyst or polymer samples from an operation unit of a polymerization plant3 Jun 2025US 12,319,755 B2Basell Poliolefine Italia S.r.l.
- Systems, apparatus and kits for enzymatic polynucleotide synthesis4 Dec 2025US 2025/0367630 A1DNA Script
- Separation and purification module and automated material reaction system including the same11 Sep 2025US 2025/0281891 A1Samsung Electronics Co., Ltd.
- System for Performing Cleavage, Deprotection, Ultrafiltration, and Diafiltration Operations1 Aug 2024US 2024/0252986 A1Asahi Kasei Bioprocess America, Inc.
- Manufacturing device for a pharmaceutical product25 Jul 2024US 2024/0246056 A1CureVac RNA Printer GmbH
- Fluid delivery device with passive pressure equilibration22 Feb 2024US 2024/0058813 A1Agilent Technologies, Inc.
Most cited
By later US patents
- Synthesizing and screening molecular diversity375US 5,639,603 AAffymax Technologies N.V. · 1997
- Apparatus for assay, synthesis and storage, and methods of manufacture, use, and manipulation thereof281US 6,716,629 B2BioTrove, Inc. · 2004
- Apparatus for multiple simultaneous synthesis266US 5,324,483 AWarner-Lambert Company · 1994
- Bioconjugation of macromolecules259US 6,737,236 B1Proligo LLC · 2004
- Systems and methods for parallel synthesis of compounds215US 6,190,619 B1Argonaut Technologies, Inc. · 2001