Patent US3042479A successfully refreshed from Google Patents.
US3042479A
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Chlorofluorohydrocarbons in dry cleaning compositions and process
Assignee: EIDP Inc
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Filing: 1960-11-29
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Granted: 1962-07-03
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Expires: 1980-11-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Augustine Hicks Lawrence
- 👤 John H Dowling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:14
CPC Classifications
D; D06; D06L; D06L1/00; D06L1/02; D06L1/04; D06F; D06F43/00; D06F43/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A PROCESS FOR DRY-CLEANING TEXTILE FIBERS AND OTHER GARMENT MATERIALS WHICH COMPRISES WASHING SAID MATERIAL WITH A DRY-CLEANING LIQUID COMPOSITION COMPRISING A CHLOROFLUORO HYDROCARBON HAVING A BOILING POINT FROM 8* TO 75*C., A FREEZING POINT BELOW 0*C., AND CONTAINING NOT MORE THAN 2 CARBON ATOMS AND AT LEAST 1 FLUORINE ATOM PER CARBON ATOM IN THE MOLECULE.
Claim 2
Dependent Claim
57 words
A PROCESS FOR DRY-CLEANING TEXTILE FIBERS AND OTHER GARMENT MATERIALS WHICH COMPRISES WASHING SAID MATERIAL WITH A DRY-CLEANING LIQUID COMPOSITION COMPRISING A CHLOROFLUORO HYDROCARBON HAVING A BOILING POINT FROM 8* TO 75*C., A FREEZING POINT BELOW 0*C., AND CONTAINING NOT MORE THAN 2 CARBON ATOMS AND AT LEAST 1 FLUORINE ATOM PER CARBON ATOM IN THE MOLECULE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |