B01J 39/20
Obtained by reactions only involving unsaturated carbon-to-carbon bonds
Official title: obtained by reactions only involving unsaturated carbon-to-carbon bonds
B01J39/20 (Obtained by reactions only involving unsaturated carbon-to-carbon bonds) appears on 424 US grants and 451 published applications in this corpus.
Search patents in B01J- Granted patents
- 424
- Published applications
- 451
- Assignees
- 250
- Inventors
- 1,063
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 3 | 0 |
| 1983 | 9 | 0 |
| 1984 | 8 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 6 |
| 2002 | 6 | 10 |
| 2003 | 8 | 5 |
| 2004 | 8 | 9 |
| 2005 | 6 | 9 |
| 2006 | 9 | 8 |
| 2007 | 4 | 7 |
| 2008 | 2 | 7 |
| 2009 | 4 | 8 |
| 2010 | 6 | 11 |
| 2011 | 2 | 11 |
| 2012 | 5 | 21 |
| 2013 | 9 | 19 |
| 2014 | 10 | 22 |
| 2015 | 14 | 25 |
| 2016 | 25 | 35 |
| 2017 | 26 | 41 |
| 2018 | 29 | 31 |
| 2019 | 30 | 30 |
| 2020 | 29 | 29 |
| 2021 | 20 | 25 |
| 2022 | 15 | 15 |
| 2023 | 17 | 19 |
| 2024 | 14 | 23 |
| 2025 | 13 | 12 |
| 2026 | 6 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cation exchange membrane and method for producing same1 Sep 2026US 12,722,125 B2Astom Corporation
- Resin for removing phosphorus from water body, and preparation method therefor and application thereof25 Aug 2026US 12,715,791 B2Sunresin New Materials Co. Ltd.
- Compounds, compositions and polymer films19 May 2026US 12,630,502 B2FUJIFILM Corporation
- Bipolar membrane10 Mar 2026US 12,569,812 B2Astom Corporation
- Compositions and polymer films27 Jan 2026US 12,534,583 B2FUJIFILM Corporation
- Filler for ion exchange chromatography, method for producing same, and method for measuring hemoglobin component3 Sep 2026US 2026/0257216 A1Sekisui Medical Co., Ltd.
- Method for manufacturing lithium hydroxide6 Aug 2026US 2026/0225905 A1Kemco
- Molybdenum sputtering target, method for manufacturing same, and film forming method for molybdenum film16 Jul 2026US 2026/0201541 A1Tosoh Corporation
- A sorbent granulate for separation of carbon dioxide from a fluid mixture, and a method of producing thereof25 Jun 2026US 2026/0175194 A1Vito NV
- Method for improving membrance coating properties for ion exchange membrane applications and woven mesh fabric having improved membrane coating properties for ion exchange membrane applications11 Jun 2026US 2026/0158485 A1Sefar AG
Most cited
By later US patents
- Ion exchange/chelation resins containing dense star polymers having ion exchange or chelate capabilities214US 4,871,779 AThe Dow Chemical Company · 1989
- Polymerization processes and products therefrom125US 4,224,415 ARohm and Haas Company · 1980
- Process for preparing macroreticular resins, copolymers and products of said process123US 4,382,124 ARohm and Haas Company · 1983
- Modified dense star polymers118US 4,857,599 AThe Dow Chemical Company · 1989
- Chromatographic separation using ion-exchange resins86US 5,221,478 AThe Dow Chemical Company · 1993