US3189552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable solvent composition
Assignee: Ethyl Corp
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Filing: 1963-02-05
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Granted: 1965-06-15
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Expires: 1983-02-05
Abstract
No abstract record available.
Inventors
- 👤 Leslie L Sims
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:53
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02854; C23G5/02883; C23G5/02887; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A STABLILIZED COMPOSITION FOR METAL DEGREASING CONSISTING ESSENTIALLY OF 1,1,1-TRICHLOROETHANE HAVING DISSOLVED THEREIN A STABILIZING MIXTURE OF A TRIALKYL AMINE WHEREIN EACH ALKYL GROUP CONTAINS FROM 1 TO ABOUT 6 CARBON ATOMS AND A MONONITROALKANE HAVING FROM 1 TO 2 CARBON ATOMS IN THE MOLECULE, THESE BEING PRESENT IN AN AMOUNT SUFFICIENT TO STABILIZE THE 1,1,1-TRICHLOROETHANE AGAINST METALINDUCED DECOMPOSITION, EITHER COMPONENT OF SAID STABILIZING MIXTURE BEING PRESENT IN AT LEAST ABOUT 10 PERCENT BY WEIGHT OF THE OTHER COMPONENT AND THE CONCENTRATION OF THE STABILIZING MIXTURE BEING FROM ABOUT 0.3 TO ABOUT 12 WEIGHT PERCENT BASED ON THE WEIGHT OF THE 1,1,1-TRICHLOROETHANE.
Claim 2
Dependent Claim
102 words
A STABLILIZED COMPOSITION FOR METAL DEGREASING CONSISTING ESSENTIALLY OF 1,1,1-TRICHLOROETHANE HAVING DISSOLVED THEREIN A STABILIZING MIXTURE OF A TRIALKYL AMINE WHEREIN EACH ALKYL GROUP CONTAINS FROM 1 TO ABOUT 6 CARBON ATOMS AND A MONONITROALKANE HAVING FROM 1 TO 2 CARBON ATOMS IN THE MOLECULE, THESE BEING PRESENT IN AN AMOUNT SUFFICIENT TO STABILIZE THE 1,1,1-TRICHLOROETHANE AGAINST METALINDUCED DECOMPOSITION, EITHER COMPONENT OF SAID STABILIZING MIXTURE BEING PRESENT IN AT LEAST ABOUT 10 PERCENT BY WEIGHT OF THE OTHER COMPONENT AND THE CONCENTRATION OF THE STABILIZING MIXTURE BEING FROM ABOUT 0.3 TO ABOUT 12 WEIGHT PERCENT BASED ON THE WEIGHT OF THE 1,1,1-TRICHLOROETHANE.
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |