Patent US5604072A successfully refreshed from Google Patents.
Patent US3074890A successfully refreshed from Google Patents.
US3074890A
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US
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Stable solvent composition
Assignee: Ethyl Corp
•
Filing: 1958-10-27
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Granted: 1963-01-22
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Expires: 1978-10-27
Abstract
No abstract record available.
Inventors
- 👤 George N Grammer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:03
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
26 words
1, 1, 1-TRICHLORETHANE CONTAINING DIETHYLENE GLYCOL DIMETHYL ETHER PRESENT IN AN AMOUNT SUFFICIENT TO STABLIZE THE 1, 1, 1-TRICHLORORTHANE AGAINST DECOMPOSITION WHEN IN CONTACT WITH ALUMINUM.
Claim 2
Dependent Claim
26 words
1, 1, 1-TRICHLORETHANE CONTAINING DIETHYLENE GLYCOL DIMETHYL ETHER PRESENT IN AN AMOUNT SUFFICIENT TO STABLIZE THE 1, 1, 1-TRICHLORORTHANE AGAINST DECOMPOSITION WHEN IN CONTACT WITH ALUMINUM.
References Cited (Backward Citations)
US2088085A
Cited
US2355319A
Cited
US2371645A
Cited
GB765522A
Cited
US2870094A
Cited
US2838458A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |