B01J 39/07
In the weakly acidic form
Official title: in the weakly acidic form
B01J39/07 (In the weakly acidic form) appears on 162 US grants and 200 published applications in this corpus.
Search patents in B01J- Granted patents
- 162
- Published applications
- 200
- Assignees
- 165
- Inventors
- 559
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 4 |
| 2003 | 2 | 0 |
| 2004 | 3 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 4 |
| 2007 | 3 | 6 |
| 2008 | 2 | 3 |
| 2009 | 3 | 1 |
| 2010 | 4 | 4 |
| 2011 | 2 | 4 |
| 2012 | 2 | 3 |
| 2013 | 1 | 11 |
| 2014 | 2 | 13 |
| 2015 | 4 | 11 |
| 2016 | 12 | 9 |
| 2017 | 10 | 8 |
| 2018 | 13 | 10 |
| 2019 | 7 | 17 |
| 2020 | 13 | 17 |
| 2021 | 11 | 15 |
| 2022 | 6 | 13 |
| 2023 | 5 | 12 |
| 2024 | 5 | 13 |
| 2025 | 9 | 9 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dry ion exchange resin manufacturing method and manufacturing device, and treatment target liquid purifying method and purifying device15 Sep 2026US 12,734,517 B2Organo 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.
- Method for efficiently extracting and separating high-purity tetrodotoxin from pufferfish viscera18 Aug 2026US 12,709,618 B2Zhongyang Biotechnology (Shanghai) Co., LTD.
- Water softener26 May 2026US 12,636,643 B2Panasonic Intellectual Property Management Co., Ltd.
- Process for producing high purity aluminum materials31 Mar 2026US 12,590,008 B2HiurA Pty Ltd
- Water treatment apparatus and control method of water treatment apparatus20 Aug 2026US 2026/0242258 A1Samsung Electronics Co., Ltd.
- Process for producing high purity aluminium materials13 Aug 2026US 2026/0234015 A1HiPurA Pty Ltd
- Method for isolating transition metal and li from compound including li and transition metal25 Jun 2026US 2026/0176713 A1Panasonic Energy Co., Ltd.
- Method for producing purified quaternary ammonium compound aqueous solution16 Apr 2026US 2026/0103437 A1Tokuyama Corporation
- Purification technologies12 Feb 2026US 2026/0042723 A1Zymochem, Inc.
Most cited
By later US patents
- Dialysis with ion exchange extraction of phosphates49US 4,213,859 AAkzo N. V. · 1980
- Antibody purification35US 7,385,040 B2GE Healthcare Bio-Sciences AB · 2008
- Bleed-off elimination system and method32US 4,532,045 AWaterScience, Inc. · 1985
- Dialysis apparatus and process for controlling the phosphate level of blood32US 4,542,015 AOrganon Teknika Corporation · 1985
- Purification process30US 5,500,127 ARohm and Haas Company · 1996