C07C 5/224
Acids of phosphorus
Official title: {Acids of phosphorus; Salts thereof; Phosphorus oxides}
C07C5/224 (Acids of phosphorus) appears on 46 US grants and 1 published applications in this corpus.
Search patents in C07C- Granted patents
- 46
- Published applications
- 1
- Assignees
- 4
- Inventors
- 16
- Latest grant
- 3 Dec 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 12 | 0 |
| 1989 | 9 | 0 |
| 1990 | 11 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 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 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 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 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Crystalline metallophosphates, their method of preparation, and use3 Dec 2019US 10,493,424 B2
- Hydrocarbon conversions using catalysts silicoaluminophosphates19 May 1992US 5,114,563 AUop LLC
- Boron-aluminum-phosphorus-silicon-oxide molecular sieve compositions15 Oct 1991US 5,057,295 AUop LLC
- Gallium-aluminum-phosphorus-oxide molecular sieve compositions16 Jul 1991US 5,032,368 AUop LLC
- Germanium-aluminum-phosphorus-silicon-oxide molecular sieve compositions12 Feb 1991US 4,992,250 AUop LLC
Most cited
By later US patents
- Crystalline silicoaluminophosphates925US 4,440,871 AUnion Carbide Corporation · 1984
- Crystalline metallophosphate compositions556US 4,310,440 AUnion Carbide Corporation · 1982
- Crystalline metal aluminophosphates260US 4,567,029 AUnion Carbide Corporation · 1986
- Crystalline ferroaluminophosphates91US 4,554,143 AUnion Carbide Corporation · 1985
- Molecular sieve compositions80US 4,793,984 AUnion Carbide Corporation · 1988