Y10S 423/14
Ion exchange
Official title: Ion exchange; chelation or liquid/liquid ion extraction
Y10S423/14 (Ion exchange) appears on 312 US grants and 12 published applications in this corpus.
Search patents in Y10S- Granted patents
- 312
- Published applications
- 12
- Assignees
- 177
- Inventors
- 519
- Latest grant
- 21 Sep 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 16 | 0 |
| 1978 | 12 | 0 |
| 1979 | 11 | 0 |
| 1980 | 13 | 0 |
| 1981 | 20 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 11 | 0 |
| 1986 | 15 | 0 |
| 1987 | 21 | 0 |
| 1988 | 16 | 0 |
| 1989 | 20 | 0 |
| 1990 | 25 | 0 |
| 1991 | 15 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 6 | 2 |
| 2003 | 2 | 2 |
| 2004 | 0 | 4 |
| 2005 | 2 | 1 |
| 2006 | 2 | 1 |
| 2007 | 2 | 0 |
| 2008 | 2 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Sample processing method and sample culturing method21 Sep 2021US 11,124,820 B2Olympus Corporation
- Extraction mixture for recovery of actinide elements from acidic solutions17 Feb 2009US 7,491,345 B2Japan Nuclear Cycle Development Institute
- Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid12 Aug 2008US 7,410,632 B2Eastman Chemical Company
- Compositions and methods for anion absorbent metal hydroxides1 Jul 2008US 7,393,466 B2Applied Intellecutal Capital, Inc.
- Composition and process18 Dec 2007US 7,309,474 B2Cytec Technology Corp.
- Sample processing method and sample culturing method20 Jun 2019US 2019/0185901 A1Olympus Corporation
- Extraction mixture for recovery of actinide elements from acidic solutions16 Feb 2006US 2006/0033085 A1Japan Nuclear Cycle Development Institute
- Struvite crystallization3 Feb 2005US 2005/0023220 A1Wisconsin Alumni Research Foundation
- Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid9 Dec 2004US 2004/0244536 A1Eastman Chemical Company
- Composition and process21 Oct 2004US 2004/0208807 A1Cytec Technology Corp.
Most cited
By later US patents
- Precursor compositions for chemical vapor deposition, and ligand exchange resistant metal-organic precursor solutions comprising same153US 5,820,664 AAdvanced Technology Materials, Inc. · 1998
- Compositions for dissolving metal sulfates76US 6,331,513 B1Jacam Chemicals, L.L.C. · 2001
- Material with microporous crystalline walls defining a narrow size distribution of mesopores, and process for preparing same65US 5,849,258 AIntevep, S. A. · 1998
- Solvent extraction63US 4,507,268 AHenkel Corporation · 1985
- Method and apparatus for purifying hydrogen fluoride62US 4,952,386 AAthens Corporation · 1990