US2906782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of the trichloroethylene and stabilizing product therefor
Assignee: Sicedison SpA
•
Filing: 1956-12-21
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Granted: 1959-09-29
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Expires: 1976-12-21
Abstract
No abstract record available.
Inventors
- 👤 Ferri Antonio
- 👤 Patron Germano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:21
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A METHOD FOR STABILIZING TRICHLOROETHYLENE COMPRISING THE STEP OF PREPARING A SYNERGISTIC MIXTURE OF PYRIDINE P-TERTIARY-BUTYLCATECHOL AND DI-ISOPROPYLAMINE, AND INTIMATELY MIXING SAID MIXTURE WITH THE TRICHLOROETHYLENE TO BE STABILIZED.
Claim 2
Independent Claim
29 words
A METHOD FOR STABILIZING TRICHLOROETHYLENE COMPRISING THE STEP OF PREPARING A SYNERGISTIC MIXTURE OF PYRIDINE P-TERTIARY-BUTYLCATECHOL AND DI-ISOPROPYLAMINE, AND INTIMATELY MIXING SAID MIXTURE WITH THE TRICHLOROETHYLENE TO BE STABILIZED.
References Cited (Backward Citations)
FR732569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |