US2818446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of chlorinated hydrocarbons
Assignee: EIDP Inc
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Filing: 1956-10-25
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Granted: 1957-12-31
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Expires: 1976-10-25
Abstract
No abstract record available.
Inventors
- 👤 Fred W Starks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:44
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02854; C23G5/02861; C23G5/0288; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
20 words
A COMPOSITION OF MATTER COMPRISING TRICHLORETHYLENE CONTAINING A PAIR OF ASDDITIVES CONSISTING OF (1) AN EPOXIDE CONTAINING THE STRUCTURAL CONFIGURATION.
References Cited (Backward Citations)
US2371645A
Cited
US2371647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |