C23G 5/02835
C2h2cl2f2
Official title: {C2H2Cl2F2}
C23G5/02835 (C2h2cl2f2) appears on 14 US grants and 0 published applications in this corpus.
Search patents in C23G- Granted patents
- 14
- Published applications
- 0
- Assignees
- 2
- Inventors
- 8
- Latest grant
- 31 Aug 1993
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 0 | 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 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Ternary azeotropic compositions of 1,1-dichloro-1,2-difluoroethane and cis-1,2-dichloroethylene with methanol or ethanol or n-propanol31 Aug 1993US 5,240,634 AE. I. Du Pont de Nemours and Company
- Binary azeotropic compositions of 2,2-dichloro-1,2-difluoroethane with methanol, ethanol, or trans-1,2-dichloroethylene19 Nov 1991US 5,066,417 AE. I. Du Pont de Nemours and Company
- Binary azeotropic compositions of 1,1,1,2,3,3-hexafluoro-3-methoxypropane with one of trans-1,2-dichloroethylene, cis-1,2-dichloroethylene, 1,1-dichloro-1,2-difluoroethane or 1,2-dichloro-1,1,-difluoroethane25 Jun 1991US 5,026,498 AE. I. Du Pont de Nemours and Company
- Azeotrope or azeotrope-like composition of trichlorotrifluoroethane and dichlorodifluoroethane10 Oct 1989US 4,873,021 AE. I. Du Pont de Nemours and Company
- Azeotropic compositions26 Dec 1978US 4,131,559 APhillips Petroleum Company
No published applications in this class yet.
Most cited
By later US patents
- Binary azeotropic compositions of 1,1,1,2,3,3-hexafluoro-3-methoxypropane with one of trans-1,2-dichloroethylene, cis-1,2-dichloroethylene, 1,1-dichloro-1,2-difluoroethane or 1,2-dichloro-1,1,-difluoroethane30US 5,026,498 AE. I. Du Pont de Nemours and Company · 1991
- Methylpentane/CClF.sub.2 CH.sub.2 Cl azeotropic mixtures18US 4,055,507 AE. I. Du Pont de Nemours and Company · 1977
- Azeotropic compositions12US 4,035,258 APhillips Petroleum Company · 1977
- Azeotropic compositions7US 4,092,262 APhillips Petroleum Company · 1978
- Azeotropic compositions6US 4,131,561 APhillips Petroleum Company · 1978