C01D 7/37
Densifying sodium carbonate
C01D7/37 (Densifying sodium carbonate) appears on 17 US grants and 2 published applications in this corpus.
Search patents in C01D- Granted patents
- 17
- Published applications
- 2
- Assignees
- 10
- Inventors
- 34
- Latest grant
- 27 Aug 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 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 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for enhancing sodium bicarbonate flowability27 Aug 2019US 10,392,257 B2Solvay SA
- Carbon dioxide capture21 Feb 2012US 8,119,091 B2Carbon Engineering Limited Partnership
- Process for the production of sodium carbonate anhydrate4 Feb 2003US 6,514,475 B1Technische Universiteit Delft
- Production of water-free soda1 Jan 2002US 6,334,989 B1
- Process for production of dense soda ash from soda ash fines2 Jun 1998US 5,759,507 ASolvay Minerals, Inc.
Most cited
By later US patents
- Method for producing alkali carbonate29US 3,975,503 AKali-Chemie Aktiengesellschaft · 1976
- Carbon dioxide capture29US 8,119,091 B2Carbon Engineering Limited Partnership · 2012
- Method for recovery of alkali values from trona using two-stage leaching21US 5,624,647 ASolvay Minerals, Inc. · 1997
- Process for producing sodium carbonate20US 3,933,977 AIntermountain Research and Development Corporation · 1976
- Process for the separation of insoluble materials in the production of soda ash20US 4,202,667 ATexasgulf Inc. · 1980