Patent US2330576A successfully refreshed from Google Patents.
US3113154A
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: 1963-12-03
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Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 Percy W Trotter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:16
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02854; C23G5/02883; C23G5/0289; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A STABLE SOLVENT COMPOSITION FOR THE DEGREASING OF METALS, SAID SOLVENT CONSISTING ESSENTIALLY OF 1,1,1-TRICHLOROETHANE WITHIN WHICH IS DISSOVLED FROM ABOUT 0.3 TO ABOUT 15 WEIGHT PERCENT OF A STABILIZING MIXTURE OF ADDITIVES CONSISTING ESSENTIALLY OF FROM ABOUT 10 PERCENT TO ABOUT 75 WEIGHT PERCENT DIOXOLANE, FROM ABOUT 20 TO ABOUT 85 WEIGHT PERCENT OF MONO-OLEFIN AND FROM ABOUT 0.1 TO ABOUT 10 WEIGHT PERCENT AMINE, TO INHIBIT THE 1,1,1TRICHLOROETHANE AGAINST DECOMPOSITION, SAID DIOXOLANE BEING 1,3-DIOXOLANE CHARACTERIZED BY CONTAINING IN THE MOLECULE UP TO TWO ALKYL SUBSTITUENTS EACH HAVING FROM ONE TO TWO CARBON ATOMS, SAID MONO-OLEFIN BEING AN ALKENE HYDROCARBON CHARACTERIZED BY HAVING FRORM ABOUT 6 TO ABOUT 8 CARBON ATOMS IN THE MOLECULE AND SAID AMINES BEING SELECTED FROM A GROUP CONSISTING OF MORPHOLINE, PYRIDINE AND ALKYL AMINES CHARACTERIZED BY CONTAINING IN THE MOLECULE FROM ABOUT 4 TO ABOUT 6 CARBON ATOMS.
Claim 2
Dependent Claim
144 words
A STABLE SOLVENT COMPOSITION FOR THE DEGREASING OF METALS, SAID SOLVENT CONSISTING ESSENTIALLY OF 1,1,1-TRICHLOROETHANE WITHIN WHICH IS DISSOVLED FROM ABOUT 0.3 TO ABOUT 15 WEIGHT PERCENT OF A STABILIZING MIXTURE OF ADDITIVES CONSISTING ESSENTIALLY OF FROM ABOUT 10 PERCENT TO ABOUT 75 WEIGHT PERCENT DIOXOLANE, FROM ABOUT 20 TO ABOUT 85 WEIGHT PERCENT OF MONO-OLEFIN AND FROM ABOUT 0.1 TO ABOUT 10 WEIGHT PERCENT AMINE, TO INHIBIT THE 1,1,1TRICHLOROETHANE AGAINST DECOMPOSITION, SAID DIOXOLANE BEING 1,3-DIOXOLANE CHARACTERIZED BY CONTAINING IN THE MOLECULE UP TO TWO ALKYL SUBSTITUENTS EACH HAVING FROM ONE TO TWO CARBON ATOMS, SAID MONO-OLEFIN BEING AN ALKENE HYDROCARBON CHARACTERIZED BY HAVING FRORM ABOUT 6 TO ABOUT 8 CARBON ATOMS IN THE MOLECULE AND SAID AMINES BEING SELECTED FROM A GROUP CONSISTING OF MORPHOLINE, PYRIDINE AND ALKYL AMINES CHARACTERIZED BY CONTAINING IN THE MOLECULE FROM ABOUT 4 TO ABOUT 6 CARBON ATOMS.
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |