US2887516A
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: 1959-05-19
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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
2026-10-26 21:53
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
STABILIZING COMPOSITION AS AN ADJUVANT FOR TRICHLOROETHYLENE CONSISTING IN A SYNERGISTIC MIXTURE OF, IN PARTS BY WEIGHT, ABOUT 1 PART OF PYRIDINE, 30 PARTS OF BUTYLENE OXIDE, 20 PARTS OF ETHYL ACETATE AND 10 PARTS OF ISOBUTYL ALCOHOL.
Claim 2
Dependent Claim
38 words
STABILIZING COMPOSITION AS AN ADJUVANT FOR TRICHLOROETHYLENE CONSISTING IN A SYNERGISTIC MIXTURE OF, IN PARTS BY WEIGHT, ABOUT 1 PART OF PYRIDINE, 30 PARTS OF BUTYLENE OXIDE, 20 PARTS OF ETHYL ACETATE AND 10 PARTS OF ISOBUTYL ALCOHOL.
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) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |