Y10S 62/934
From nitrogen
Y10S62/934 (From nitrogen) appears on 21 US grants and 1 published applications in this corpus.
Search patents in Y10S- Granted patents
- 21
- Published applications
- 1
- Assignees
- 12
- Inventors
- 36
- Latest grant
- 18 Sep 2007
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Plant and method for fractionating and purifying synthesis gas18 Sep 2007US 7,269,972 B2Lurgi GmbH
- Purification of gases, in synthesis gas production process16 Sep 2003US 6,620,399 B1
- Process and plant for production of carbon monoxide and hydrogen8 Aug 2000US 6,098,424 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process for producing ammonia and recovering argon using low purity oxygen7 Jul 1998US 5,775,128 APraxair Technology, Inc.
- Process for ammonia recovery in ammonia production16 Jan 1996US 5,484,582 A
Most cited
By later US patents
- Argon recovery from hydrogen depleted ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means42US 4,687,498 AThe BOC Group, Inc. · 1987
- Production of ammonia synthesis gas29US 4,636,334 AFoster Wheeler USA Corporation · 1987
- Process for producing ammonia and recovering argon using low purity oxygen19US 5,775,128 APraxair Technology, Inc. · 1998
- Process and apparatus for the separation of a mixture of gases17US 4,548,618 ALinde Aktiengesellschaft · 1985
- Process and plant for removing methane and argon from crude ammonia synthesis gas15US 4,549,890 AAir Products and Chemicals, Inc. · 1985