US3099694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable methylchloroform compositions
Assignee: Ethyl Corp
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Filing: 1960-05-27
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Granted: 1963-07-30
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Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 George N Grammer
- 👤 Percy W Trotter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:31
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02854; C23G5/02861; C23G5/0288; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A STABLE SOLVENT COMPOSITION FOR THE DEGREASING OF METALS SAID SOLVENT BEING COMPOSED OF 1,1,1-TRICHLOROETHANE WITHIN WHICH IS DISSOLVED FROM ABOUT 0.3 TO ABOUT 15 WEIGHT PERCENT OF A MIXTURE OF STABLIZING ADDITIVES CONSISTING ESSENTIALLY OF A DIOXOLANE, A MONO-OLEFIN, AND A EPOXIDE, SUFFICIENT TO INHIBIT THE 1,1,1-TRICHLOROETHANE AGAINST DECOMPOSITION, SAID DIOXOLANE BEING A 1,3-DIOXOLANE COMPOUND CONTAINING UP TO 2 ALKYL SUBSTITUENTS EACH HAVING FROM 1 TO 2 CARBON ATOMS, SAID MONO-OLEFIN BEING AN ALKENE HYDROCARBON HAVING FROM ABOUT 6 TO ABOUT 8 CARBON ATOMS, AND SAID EPOXIDE BEING A COMPOUND CONTAINING FROM ABOUT 3 TO ABOUT 4 CARBON ATOMS AND UP TO 1 CHLORINE ATOM.
Claim 2
Dependent Claim
106 words
A STABLE SOLVENT COMPOSITION FOR THE DEGREASING OF METALS SAID SOLVENT BEING COMPOSED OF 1,1,1-TRICHLOROETHANE WITHIN WHICH IS DISSOLVED FROM ABOUT 0.3 TO ABOUT 15 WEIGHT PERCENT OF A MIXTURE OF STABLIZING ADDITIVES CONSISTING ESSENTIALLY OF A DIOXOLANE, A MONO-OLEFIN, AND A EPOXIDE, SUFFICIENT TO INHIBIT THE 1,1,1-TRICHLOROETHANE AGAINST DECOMPOSITION, SAID DIOXOLANE BEING A 1,3-DIOXOLANE COMPOUND CONTAINING UP TO 2 ALKYL SUBSTITUENTS EACH HAVING FROM 1 TO 2 CARBON ATOMS, SAID MONO-OLEFIN BEING AN ALKENE HYDROCARBON HAVING FROM ABOUT 6 TO ABOUT 8 CARBON ATOMS, AND SAID EPOXIDE BEING A COMPOUND CONTAINING FROM ABOUT 3 TO ABOUT 4 CARBON ATOMS AND UP TO 1 CHLORINE ATOM.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |