US3565811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized 1,1,1-trichloroethane composition
Assignee: Dow Chemical Co
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Filing: 1967-12-29
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Granted: 1971-02-23
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Expires: 1987-12-29
Abstract
Abstract 1,1,1-TRICHLOROETHANE STABILIZED WITH MINOR AMOUNTS OF METHOXYACETONITRILE, A LOWER ALKYLENE OXIDE AND NITROMETHANE OR PROPARGYL ALCOHOL AND MIXTURES THEREOF AND TO A PROCESS FOR PREVENTING DETERIORATION OF 1,1,1-TRICHLOROETHANE IN CONTACT WITH THE METALS ALUMINUM, IRON, COPPER, ZINC AND THEIR ALLOYS BY INTIMATELY ADMIXING WITH SUCH 1,1,1-TRICHLOROETHANE A STABILIZING AMOUNT OF METHOXYACETONITRILE, NITROMETHANE OR PROPARGYL ALCOHOL, AND A LOWER ALKYLENE OXIDE AND MIXTURES THEREOF. THE INVENTION ALSO RELATES TO A PROCESS FOR DEGREASING METALS EMPLOYING THE COMPOSITIONS ABOVE SET FORTH.
Inventors
- 👤 Leighton S Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:10
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02854; C23G5/02883; C07; C07C; C07C17/00; C07C17/38; C07C17/42
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |