B01J 20/3261
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}
B01J20/3261 (Comprising a cyclic structure not containing any of the heteroatoms nitrogen, oxygen) appears on 119 US grants and 50 published applications in this corpus.
Search patents in B01J- Granted patents
- 119
- Published applications
- 50
- Assignees
- 85
- Inventors
- 306
- Latest grant
- 10 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 2 |
| 2002 | 7 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 3 |
| 2006 | 1 | 4 |
| 2007 | 0 | 5 |
| 2008 | 2 | 4 |
| 2009 | 2 | 3 |
| 2010 | 3 | 3 |
| 2011 | 0 | 3 |
| 2012 | 5 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 3 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 3 |
| 2018 | 3 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 4 |
| 2023 | 4 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Bisphenol hypersorbents for enhanced detection of, or protection from, hazardous chemicals10 Oct 2023US 11,779,901 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Bisphenol hypersorbents for enhanced detection of, or protection from, hazardous chemicals29 Aug 2023US 11,738,327 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Bisphenol hypersorbents for enhanced detection of, or protection from, hazardous chemicals23 May 2023US 11,654,415 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Bisphenol hypersorbents for enhanced detection of, or protection from, hazardous chemicals16 May 2023US 11,648,529 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Bisphenol hypersorbents for enhanced detection of, or protection from, hazardous chemicals10 May 2022US 11,325,100 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Carbon disulfide treated materials and methods of purifying fluids using the same18 Dec 2025US 2025/0381550 A1Zenith Purification, LLC
- Mixed mode subtractive anion exchange chromatography ligands based on 4-(2-(dimethylamino)ethoxy)aniline structures27 Nov 2025US 2025/0361265 A1Bio-Rad Laboratories, Inc.
- Non-porous hybrid coated polymer particles14 Mar 2024US 2024/0082821 A1Waters Technologies Corporation
- Bisphenol Hypersorbents for Enhanced Detection of, or Protection From, Hazardous Chemicals18 Aug 2022US 2022/0258125 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Bisphenol Hypersorbents for Enhanced Detection of, or Protection From, Hazardous Chemicals18 Aug 2022US 2022/0258126 A1The Government of the United States of America, as represented by the Secretaryof the Navy
Most cited
By later US patents
- Magnetic particles for use in separations245US 4,672,040 AAdvanced Magnetics, Inc. · 1987
- Binding assays employing magnetic particles152US 4,628,037 AAdvanced Magnetics, Inc. · 1986
- Enzymatic reactions using magnetic particles128US 4,698,302 AAdvanced Magnetics, Inc. · 1987
- Magnetic particles for use in separations126US 4,695,393 AAdvanced Magnetics, Inc. · 1987
- Magnetic particles for use in separations93US 4,695,392 AAdvanced Magnetics, Inc. · 1987