C22B 3/386
Polyphosphoric oxyacids, or derivatives thereof
Official title: {Polyphosphoric oxyacids, or derivatives thereof}
C22B3/386 (Polyphosphoric oxyacids, or derivatives thereof) appears on 32 US grants and 3 published applications in this corpus.
Search patents in C22B- Granted patents
- 32
- Published applications
- 3
- Assignees
- 19
- Inventors
- 63
- Latest grant
- 9 Nov 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Phosphonamides, process for producing the same, and use thereof9 Nov 2010US 7,829,044 B2Japan Science and Technology Agency
- Phosphorus dendrimers, preparation method thereof and use of same for the extraction of actinides and lanthanides27 Jul 2010US 7,763,684 B2Commissariat A L' Energie Atomique
- Extraction mixture for recovery of actinide elements from acidic solutions17 Feb 2009US 7,491,345 B2Japan Nuclear Cycle Development Institute
- Chemical process17 Mar 1998US 5,728,853 AZeneca Limited
- Alkylphenoxy substituted bis (thio phosphoryl) amines17 Sep 1996US 5,557,003 AZeneca Limited
- Phosphorours dendrimers, preparation method thereof and use of same for the extraction of actinides and lanthanides14 Sep 2006US 2006/0205920 A1Commissariat A L' Energie Atomique
- Extraction mixture for recovery of actinide elements from acidic solutions16 Feb 2006US 2006/0033085 A1Japan Nuclear Cycle Development Institute
- Novel phosphonamides, process for producing the same, and use thereof19 May 2005US 2005/0107599 A1Japan Science and Technology Agency
Most cited
By later US patents
- Process and composition for providing reduced discoloration of pyrithiones26US 4,818,436 AOlin Corporation · 1989
- Process and composition for providing reduced discoloration caused by the presence of pyrithione and ferric ion in water-based paints and paint bases19US 4,957,658 AOlin Corporation · 1990
- Application of diphosphonic derivatives to cation exchange, new diphosphonic derivatives, and production process therefor12US 4,774,262 AMinemet Recherche · 1988
- Process for selective extraction of contaminant elements from mixtures of electrolytes in solution9US 5,039,496 AHenkel Kommanditgesellschaft auf Aktien · 1991
- Process for extracting metal values from aqueous solution8US 5,433,855 AZeneca Limited · 1995