Y10S 502/519
Reagent grade
Official title: Reagent grade, e.g. ultra pure
Y10S502/519 (Reagent grade) appears on 12 US grants and 9 published applications in this corpus.
Search patents in Y10S- Granted patents
- 12
- Published applications
- 9
- Assignees
- 4
- Inventors
- 10
- Latest grant
- 28 Sep 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 7 |
| 2004 | 7 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for removing impurities from process gas stream28 Sep 2004US 6,797,036 B2Matheson Tri-Gas, Inc.
- Composition for removing trace impurities from inert, non-reactive and reactive liquids14 Sep 2004US 6,790,358 B2Matheson Tri-Gas, Inc.
- Gas purifier system for removing trace impurities from a reactive fluid31 Aug 2004US 6,783,576 B2Matheson Tri-Gas, Inc.
- Gas purifier system containing an ultra-low emission carbon material31 Aug 2004US 6,783,577 B2Matheson Tri-Gas, Inc.
- Method for producing a preconditioned ultra-low emission carbon material13 Apr 2004US 6,720,282 B2Matheson Tri-Gas, Inc.
- Method for producing an ultra-low emission carbon material6 Mar 2003US 2003/0041734 A1Matheson Tri-Gas, Inc.
- Method for removing impurities from process gas stream20 Feb 2003US 2003/0033936 A1Matheson Tri-Gas, Inc.
- Method and apparatus for removing trace impurities from inert, non-reactive and reactive liquids6 Feb 2003US 2003/0024390 A1Matheson Tri-Gas, Inc.
- Method for reducing trace impurities from a reactive fluid using preconditioned ultra-low emission carbon material6 Feb 2003US 2003/0024391 A1Matheson Tri-Gas, Inc.
- Method for producing a preconditioned ultra-low emmission carbon material6 Feb 2003US 2003/0024394 A1Matheson Tri-Gas, Inc.
Most cited
By later US patents
- Fibrous adsorbent for hemoperfusion32US 4,248,736 AKuraray Co., Ltd. · 1981
- Method and apparatus for removing trace impurities from a gas using superactivated carbon material15US 6,425,946 B1Matheson Tri-Gas, Inc. · 2002
- Method and materials for purifying reactive gases using preconditioned ultra-low emission carbon material12US 6,547,861 B2Matheson Tri-Gas, Inc. · 2003
- Use of tannic or gallic acid to produce low beverage soluble iron content filter aid10US 4,134,857 AJohns Manville · 1979
- Analytical sorbent and method of use9US 3,996,162 ANuclear Medical Laboratories, Inc. · 1976