Patent US2978518A successfully refreshed from Google Patents.
US2978518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the stabilization of chlorinated hydrocarbons
Assignee: Solvay SA
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Filing: 1958-12-09
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Granted: 1961-04-04
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Expires: 1978-12-09
Abstract
No abstract record available.
Inventors
- 👤 Daras Nestor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:24
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A PROCESS FOR THE STABILIZATION OF A CHLORINATED HYDROCARBON SOLVENT TO INHIBIT ITS DECOMPOSITION AND THE SIMULTANEOUS FORMATION OF ACIDS, WHICH COMPRISES ADDING TO SAID SOLVENT 0.05 TO 0.5 G. OF A PHENOL SELECTED FROM THE GROUP CONSISTING OF PHENOL AND THE CRESOLS, AND 0.5 TO 10 G. OF TERTIARY AMYL ALCOHOL PER LITER OF SAID CHLORINATED HYDROCARBON SOLVENT.
Claim 2
Dependent Claim
59 words
A PROCESS FOR THE STABILIZATION OF A CHLORINATED HYDROCARBON SOLVENT TO INHIBIT ITS DECOMPOSITION AND THE SIMULTANEOUS FORMATION OF ACIDS, WHICH COMPRISES ADDING TO SAID SOLVENT 0.05 TO 0.5 G. OF A PHENOL SELECTED FROM THE GROUP CONSISTING OF PHENOL AND THE CRESOLS, AND 0.5 TO 10 G. OF TERTIARY AMYL ALCOHOL PER LITER OF SAID CHLORINATED HYDROCARBON SOLVENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |