C23G 5/02816
Ethanes
Official title: {Ethanes}
C23G5/02816 (Ethanes) appears on 34 US grants and 0 published applications in this corpus.
Search patents in C23G- Granted patents
- 34
- Published applications
- 0
- Assignees
- 13
- Inventors
- 42
- Latest grant
- 10 Sep 1991
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Incombustible azeotropic like solvent compositions10 Sep 1991US 5,047,176 ADaikin Industries, Ltd.
- Azeotrope-like compositions of 1,1,2-trichloro-1,2,2-trifluoroethane, nitromethane, 1,2-dichloroethylene, and ethanol or isopropanol30 Jul 1991US 5,035,831 AAllied-Signal Inc.
- Azeotrope-like compositions of 1,1,2-trichloro-1,2,2-trifluoroethane, methanol, nitromethane, 1,2-dichloroethylene and hexane27 Nov 1990US 4,973,362 AAllied-Signal Inc.
- Azeotropic solvent composition27 Nov 1990US 4,973,421 ADaikin Industries, Ltd.
- Azeotrope-like compositions of 1,1,2-trichloro-1,2,3-trifluoroethane, methanol, nitromethane, 1,2-dichloroethylene, acetone and hexane20 Nov 1990US 4,971,085 AAllied-Signal Inc.
No published applications in this class yet.
Most cited
By later US patents
- Two tank cleaning process using a contaminated cleaning mixture capable of forming an azeotrope42US 3,957,531 AImperial Chemical Industries PLC · 1976
- Azeotrope-like compositions of methanol, nitromethane and trichlorotrifluoroethane25US 3,960,746 AE. I. Du Pont de Nemours and Company · 1976
- Azeotrope-like compositions of trichlorotrifluoroethane, acetone and n-hexane13US 4,279,664 AAllied Chemical Corporation · 1981
- Solvent based dewatering system with demulsifier13US 4,401,584 AAllied Corporation · 1983
- Azeotrope-like compositions of 1,1,2-trichloro-1,2,2-trifluoroethane,1,2-dichloroethylene, and alkanol having 3 to 7 carbon atoms11US 4,961,870 AAllied-Signal Inc. · 1990