US2838458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inhibited methyl chloroform
Assignee: Dow Chemical Co
•
Filing: 1955-09-30
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Granted: 1958-06-10
•
Expires: 1975-09-30
Abstract
No abstract record available.
Inventors
- 👤 Howard J Bachtel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:32
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02854; C23G5/02861; C23G5/02877; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF METHYL CHLOROFORM HAVING DISSOLVED THEREIN, TO INHIBIT THE CORROSIVENESS OF METHYL CHLOROFORM TO METALS, FROM 2.5 TO 10 PERCENT BY VOLUME OF 1,4-DIOXANE AND FROM 0.01 TO 10 PERCENT BY VOLUME OF A LOWER ALIPHATIC MONOHYDRIC ACETYLENIC ALCOHOL CONTAINING LESS THAN 8 CARBON ATOMS.
Claim 2
Dependent Claim
51 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF METHYL CHLOROFORM HAVING DISSOLVED THEREIN, TO INHIBIT THE CORROSIVENESS OF METHYL CHLOROFORM TO METALS, FROM 2.5 TO 10 PERCENT BY VOLUME OF 1,4-DIOXANE AND FROM 0.01 TO 10 PERCENT BY VOLUME OF A LOWER ALIPHATIC MONOHYDRIC ACETYLENIC ALCOHOL CONTAINING LESS THAN 8 CARBON ATOMS.
References Cited (Backward Citations)
FR353858A
Cited
US1948045A
Cited
US2399205A
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US2371644A
Cited
US2376075A
Cited
US2364588A
Cited
US2371645A
Cited
US2407149A
Cited
US2721883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |