US2811252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methyl chloroform inhibited with dioxane
Assignee: Dow Chemical Co
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Filing: 1954-03-30
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Granted: 1957-10-29
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Expires: 1974-03-30
Abstract
No abstract record available.
Inventors
- 👤 Howard J Bachtel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:26
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
40 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALY OF METHYL CHLOROFORM HAVING 1,4-DIOXANE DISSOLVED THEREIN IN A MINOR PROPORTION SUFFICIENT TO INHIBIT DECOMPOSITON OF THE METHYL CHLOROFORM WHEN IN CONTACT WITH A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND IRON,
Claim 2
Dependent Claim
40 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALY OF METHYL CHLOROFORM HAVING 1,4-DIOXANE DISSOLVED THEREIN IN A MINOR PROPORTION SUFFICIENT TO INHIBIT DECOMPOSITON OF THE METHYL CHLOROFORM WHEN IN CONTACT WITH A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND IRON,
Claim 3
Dependent Claim
48 words
A COMPOSITION OF MATTER, SUBSTANTIALLY NON-CORROSIVE TO ALUMINUM AND IRON, CONSISTING ESSENTIALLY OF METHYL CHLOROFORM HAVING DISSOLVED THEREIN FROM 1 TO 10 PERCENT BY VOLUME OF 1,4-DIOXANE AND FROM 0.01 TO 10% PERCENT BY VOLUME OF A NON-PRIMARY ALKANOL CONTAINING FROM 4 TO 8 CARBON ATOMS PER MOLECULE.
Claim 4
Dependent Claim
48 words
A COMPOSITION OF MATTER, SUBSTANTIALLY NON-CORROSIVE TO ALUMINUM AND IRON, CONSISTING ESSENTIALLY OF METHYL CHLOROFORM HAVING DISSOLVED THEREIN FROM 1 TO 10 PERCENT BY VOLUME OF 1,4-DIOXANE AND FROM 0.01 TO 10% PERCENT BY VOLUME OF A NON-PRIMARY ALKANOL CONTAINING FROM 4 TO 8 CARBON ATOMS PER MOLECULE.
References Cited (Backward Citations)
US2371644A
Cited
US2371645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |