US3577348A
Expired / Lapsed
US
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Trichlorotrifluoroethane water emulsion system
Assignee: Imperial Chemical Industries Ltd
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Filing: 1968-05-01
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Granted: 1971-05-04
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Expires: 1988-05-01
Abstract
Abstract CLEANING COMPOSITIONS CONTAINING A FLUOROCHLOROHYDROCARBON SOLVENT AND A SODIUM, AMMONIUM OR AMINE SALT OF A MONOSULPHONIC ACID DERIVATIVE OF A DI-ESTER OF SUCCINIC ACID, OPTIONALLY ALSO CONTAINING A NON-IONIC SURFACTANT, AMMONIA, WATER AND A STABILIZER FOR THE SAID SOLVENT.
Inventors
- 👤 John Joseph Clementson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:17
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/123; C11D3/00; C11D3/43; C23; C23G; C23G5/00; C23G5/06; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |