US2841625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of chlorinated hydrocarbons with 2, 5-dimethyl-1, 5-hexadiene-3-yne andsynergistic mixtures containing same
Assignee: Airco Inc
•
Filing: 1956-02-08
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Granted: 1958-07-01
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Expires: 1976-02-08
Abstract
No abstract record available.
Inventors
- 👤 Robert J Burch
- 👤 Morton W Leeds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:48
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A COMPOSITION OF MATTER COMPRISING A CHLORINATED HYDROCARBON SOLVENT AND A SMALL BUT STABILIZING AMOUNT OF DIISOPROPROPENYL ACETYLENE AND A STABILIZING AGENT SELECTED FROM THE GROUP CONSISTING OF 3-METHYL-1-PENTYN3-OL AND 2,6-DI-TERT-BUTYL-PARA-CRESOL.
Claim 2
Dependent Claim
31 words
A COMPOSITION OF MATTER COMPRISING A CHLORINATED HYDROCARBON SOLVENT AND A SMALL BUT STABILIZING AMOUNT OF DIISOPROPROPENYL ACETYLENE AND A STABILIZING AGENT SELECTED FROM THE GROUP CONSISTING OF 3-METHYL-1-PENTYN3-OL AND 2,6-DI-TERT-BUTYL-PARA-CRESOL.
References Cited (Backward Citations)
US1097145A
Cited
US2775624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |