C08G 18/5087
Phosphite compounds
Official title: {Phosphite compounds}
C08G18/5087 (Phosphite compounds) appears on 3 US grants and 0 published applications in this corpus.
Search patents in C08G- Granted patents
- 3
- Published applications
- 0
- Assignees
- 3
- Inventors
- 6
- Latest grant
- 11 Nov 1997
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Polyurethane foams containing high levels of silicone-containing surfactant polymer to improve flame retardance and aged K-factors11 Nov 1997US 5,686,499 ABASF SE
- Process for preparing a polyurethane foam from an oxyalkylated product4 Dec 1979US 4,177,335 ABASF Wyandotte Corporation
- Flame retardant polyurethane foam containing polyalkylene glycol alkyl poly-phosphites19 Oct 1976US 3,986,990 AStauffer Chemical Company
No published applications in this class yet.
Most cited
By later US patents
- Polyurethane foams containing high levels of silicone-containing surfactant polymer to improve flame retardance and aged K-factors15US 5,686,499 ABASF SE · 1997
- Process for preparing a polyurethane foam from an oxyalkylated product7US 4,177,335 ABASF Wyandotte Corporation · 1979
- Flame retardant polyurethane foam containing polyalkylene glycol alkyl poly-phosphites4US 3,986,990 AStauffer Chemical Company · 1976