C01C 1/248
Preventing coalescing or controlling form or size of the crystals
C01C1/248 (Preventing coalescing or controlling form or size of the crystals) appears on 17 US grants and 11 published applications in this corpus.
Search patents in C01C- Granted patents
- 17
- Published applications
- 11
- Assignees
- 10
- Inventors
- 38
- Latest grant
- 6 Aug 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 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 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 2 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for initiating an ammonium sulfate crystallization process6 Aug 2019US 10,369,493 B2Cap III B. V.
- Process for producing ammonium sulfate crystals27 Nov 2018US 10,138,133 B2Cap III B. V.
- Process and apparatus for producing ammonium sulfate crystals6 Mar 2018US 9,908,785 B2Cap III B. V.
- Process for preparing crystalline ammonium sulfate product13 Jun 2017US 9,676,633 B2Cap III B. V.
- Process for preparing ammonium sulfate nitrate11 Oct 2016US 9,464,008 B2Honeywell International Inc.
- Process for producing ammonium sulfate crystals28 Jul 2016US 2016/0214868 A1Dsm IP Assets B.V.
- Process and apparatus for producing ammonium sulfate crystals9 Jun 2016US 2016/0159657 A1Cap III B. V.
- Process for initiating an ammonium sulfate crystallization process13 Aug 2015US 2015/0224421 A1Dsm IP Assets B.V.
- Process for preparing crystalline ammonium sulfate product6 Aug 2015US 2015/0218008 A1Dsm IP Assets B.V.
- Method for producing a coarse-grained ammonium sulfate product via crystallization and installation for operating the method5 Sep 2013US 2013/0230446 A1GEA Messo GmbH
Most cited
By later US patents
- Process and apparatus for increasing the size of ammonium sulfate crystals11US 5,330,544 ABASF SE · 1994
- Method of manufacturing ammonium sulfate granules7US 4,435,341 ABuckau-Walther AG · 1984
- Apparatus for increasing the size of ammonium sulfate crystals6US 5,408,953 ABASF SE · 1995
- System and method for precipitating salts6US 6,887,452 B1United States Filter Corporation · 2005
- Process for pelletizing or granulating ammonium sulfate5US 4,305,748 AMaschinenfabrik Buckau R. Wolf Aktiengesellschaft · 1981