B01J 20/3253
Comprising a cyclic structure not containing any of the heteroatoms nitrogen, oxygen
Official title: {comprising a cyclic structure not containing any of the heteroatoms nitrogen, oxygen or sulfur, e.g. aromatic structures}
B01J20/3253 (Comprising a cyclic structure not containing any of the heteroatoms nitrogen, oxygen) appears on 240 US grants and 203 published applications in this corpus.
Search patents in B01J- Granted patents
- 240
- Published applications
- 203
- Assignees
- 176
- Inventors
- 617
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 5 |
| 2002 | 12 | 14 |
| 2003 | 7 | 8 |
| 2004 | 4 | 9 |
| 2005 | 8 | 11 |
| 2006 | 8 | 8 |
| 2007 | 5 | 9 |
| 2008 | 8 | 12 |
| 2009 | 3 | 11 |
| 2010 | 9 | 9 |
| 2011 | 8 | 8 |
| 2012 | 6 | 9 |
| 2013 | 5 | 10 |
| 2014 | 6 | 7 |
| 2015 | 5 | 9 |
| 2016 | 12 | 7 |
| 2017 | 4 | 5 |
| 2018 | 6 | 4 |
| 2019 | 5 | 5 |
| 2020 | 8 | 2 |
| 2021 | 1 | 7 |
| 2022 | 2 | 9 |
| 2023 | 8 | 6 |
| 2024 | 3 | 5 |
| 2025 | 5 | 8 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Carbon sorbent-azobenzene hybrids for carbon capture and methods of producing and/or using said hybrids11 Aug 2026US 12,702,965 B2Schlumberger Technology Corporation
- Material and method for performing a separation based on halogen bonding19 May 2026US 12,629,612 B2Merck Patent GmbH
- Separation matrix and method of separation24 Mar 2026US 12,582,963 B2Cytiva BioProcess R&D AB
- Hydrophobic interaction chromatography carrier and protein purification method17 Mar 2026US 12,577,275 B2Jnc Corporation
- Solid amine adsorbent and its preparation method and application9 Dec 2025US 12,491,496 B2DeCarbon Technology (Shenzhen) Co., Ltd.
- Synthesis of bio-based catecholic acid- and derivatives-functionalized adsorbents for recovery of metals and metalloids from acidic solutions8 Oct 2026US 2026/0307051 A1The Penn State Research Foundation
- Recovery of energy critical high value metals using functionalized materials23 Jul 2026US 2026/0209979 A1Cornell University
- Water-insoluble carrier for activated platelet removal11 Jun 2026US 2026/0158204 A1Toray Industries, Inc.
- Mixed mode charge induction ion exchange (iex) chromatography (mmciic) ligands and methods of use28 May 2026US 2026/0145159 A1Bio-Rad Laboratories, Inc.
- Material and method for performing a separation based on halogen bonding5 Mar 2026US 2026/0061338 A1Merck Patent GmbH
Most cited
By later US patents
- Preparation of trichloro-s-triazine activated supports for coupling ligands276US 4,229,537 ANew York University · 1980
- Use of retentate chromatography to generate difference maps229US 6,225,047 B1Ciphergen Biosystems, Inc. · 2001
- Amine enriched solid sorbents for carbon dioxide capture132US 6,547,854 B1The United States of America as represented by the United States Department of Energy · 2003
- Solid sorbents for removal of carbon dioxide from gas streams at low temperatures119US 6,908,497 B1The United States of America as represented by the Department of Energy · 2005
- Filter medium having a limited surface negative charge for treating a blood material109US 5,407,581 AAsahi Medical Co., Ltd. · 1995