C01B 21/0986
Phosphonitrilic dichlorides
Official title: {Phosphonitrilic dichlorides; Polymers thereof}
C01B21/0986 (Phosphonitrilic dichlorides) appears on 74 US grants and 1 published applications in this corpus.
Search patents in C01B- Granted patents
- 74
- Published applications
- 1
- Assignees
- 24
- Inventors
- 95
- Latest grant
- 15 Aug 2006
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 11 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing cyclic chlorophosphazene oligomers15 Aug 2006US 7,090,813 B2Asaki Kasei Chemicals Corporation
- Method for making a catalyst composition26 Feb 2002US 6,350,891 B1Dow Corning Corporation
- Method for making reaction products of phosphorus pentachloride and ammonium chloride10 Feb 1998US 5,716,589 AGeneral Electric Company
- Process for the production of crosslinked siloxanes by disproportionation10 Oct 1995US 5,457,220 AGeneral Electric Company
- Catalysts for polycondensation and redistribution of organosiloxane polymers4 Apr 1995US 5,403,909 AGeneral Electric Company
Most cited
By later US patents
- Catalysts for polycondensation and redistribution of organosiloxane polymers28US 5,403,909 AGeneral Electric Company · 1995
- Process for the production of crosslinked siloxanes by disproportionation21US 5,457,220 AGeneral Electric Company · 1995
- Process for recovering cyclodextrins20US 4,303,787 ANihon Shokuhini Kako Co., Ltd. · 1981
- Compositions containing phosphonitrile chlorides13US 5,008,229 AWacker Chemie AG · 1991
- Smoke-suppressant additives for polyphosphazenes11US 4,026,838 AArmstrong Cork Company · 1977